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there_o be_v absolute_o more_o cause_n of_o weight_n and_o when_o less_o and_o as_o we_o find_v not_o weight_n enough_o in_o either_o side_n of_o these_o opposite_a circumstance_n to_o turn_v the_o scale_n in_o our_o discourse_n so_o likewise_o we_o find_v the_o same_o indifference_n in_o experience_n itself_o for_o the_o weight_n we_o use_v do_v weigh_v equal_o in_o misty_a weather_n and_o in_o clear_a and_o yet_o in_o rigour_n of_o discourse_n we_o can_v doubt_v but_o that_o in_o truth_n they_o do_v not_o gravitate_fw-la or_o weigh_v so_o much_o though_o the_o difference_n be_v imperceptible_a to_o sense_n when_o the_o air_n be_v thick_a and_o foggy_a as_o when_o its_o pure_a and_o rarify_v which_o thickness_n of_o the_o medium_fw-la when_o it_o arrive_v to_o a_o very_a
refraction_n 6._o a_o answer_n to_o the_o argument_n bring_v in_o favour_n of_o mounseur_fw-fr des_fw-fr cartes_n his_o opinion_n 7._o the_o true_a cause_n of_o refraction_n of_o light_n both_o at_o its_o entrance_n and_o at_o its_o go_v out_o from_o the_o refle_a body_n 8._o a_o general_a rule_n to_o know_v the_o nature_n of_o reflection_n and_o refraction_n in_o all_o sort_n of_o surface_n 9_o a_o body_n of_o great_a part_n and_o great_a pore_n make_v a_o great_a refraction_n than_o one_o of_o lesser_a part_n and_o lesser_a pore_n 10._o a_o confirmation_n of_o the_o former_a doctrine_n out_o of_o the_o nature_n of_o body_n that_o refract_v light_a chap._n fourteen_o of_o the_o composition_n quality_n &_o generation_n of_o mix_a body_n 1._o the_o connexion_n of_o this_o chapter_n with_o the_o rest_n and_o the_o author_n intent_n in_o it_o 2._o that_o there_o be_v a_o least_o size_n of_o body_n and_o that_o this_o least_o size_n be_v find_v in_o fire_n 3._o the_o first_o conjunction_n of_o part_n be_v in_o body_n of_o least_o size_n and_o it_o be_v make_v by_o the_o force_n of_o quantity_n 4._o the_o second_o sort_n of_o conjunction_n be_v compactedness_n in_o simple_a element_n and_o it_o proceed_v from_o density_n 5._o the_o three_o conjunction_n be_v of_o part_n of_o different_a element_n and_o it_o proceed_v from_o quantity_n and_o density_n together_o 6._o the_o reason_n why_o liquid_a body_n do_v easy_o join_v together_o and_o dry_a one_o difficult_o 7._o that_o no_o two_o hard_a body_n can_v touch_v one_o another_o immediate_o 8._o how_o mix_v body_n be_v frame_v in_o general_n 9_o the_o cause_n of_o the_o several_a degree_n of_o solidity_n in_o mix_a body_n 10._o the_o rule_n whereto_o be_v reduce_v all_o the_o several_a combination_n of_o element_n in_o compound_v of_o mix_a body_n 11._o earth_n and_o water_n be_v the_o basis_n of_o all_o permanent_a mix_a body_n 12._o what_o kind_n of_o body_n those_o be_v where_o water_n be_v the_o basis_n and_o earth_n the_o predominant_a element_n over_o the_o other_o two_o 13._o of_o those_o body_n where_o water_n be_v the_o basis_n air_n be_v the_o predominant_a element_n 14._o what_o kind_n of_o body_n result_v where_o water_n be_v the_o basis_n and_o fire_n the_o predominant_a element_n 15._o of_o those_o body_n where_o water_n be_v in_o excess_n it_o alone_o be_v both_o the_o basis_n and_o the_o predominant_a element_n 16._o of_o those_o body_n where_o earth_n alone_o be_v the_o basis_n and_o also_o the_o predominant_a in_o excess_n over_o the_o other_o three_o element_n 17._o of_o those_o body_n where_o earth_n be_v the_o basis_n &_o water_n be_v the_o predominant_a element_n over_o the_o other_o two_o 18._o of_o those_o body_n where_o earth_n be_v the_o basis_n air_n be_v the_o predominant_a 19_o of_o those_o body_n where_o earth_n be_v the_o basis_n fire_n be_v the_o predominant_a 20._o all_o the_o second_o quality_n of_o mix_a body_n arise_v from_o several_a combination_n of_o the_o first_o quality_n and_o be_v at_o last_o resolve_v into_o several_a degree_n of_o rarity_n &_o density_n 21._o that_o in_o the_o planet_n &_o star_n there_o be_v a_o like_a variety_n of_o mix_a body_n cause_v by_o light_n as_o here_o on_o earth_n 22._o in_o what_o manner_n the_o element_n work_v on_o one_o another_o in_o the_o composition_n of_o mix_a body_n and_o in_o particular_a fire_n which_o be_v the_o most_o active_a 23._o a_o particular_a declaration_n touch_v the_o generation_n of_o metal_n chap._n xv._n of_o the_o dissolution_n of_o mix_a body_n 1._o why_o some_o body_n be_v brittle_a and_o other_o tough_a or_o apt_a to_o withstand_v outward_a violence_n the_o first_o instrument_n to_o dissolve_v mix_v body_n 2._o how_o outward_a violence_n do_v work_v on_o the_o most_o compact_a body_n 3._o the_o several_a effect_n of_o fire_n the_o second_o and_o chief_a instrument_n to_o dissolve_v all_o compound_a body_n 4._o the_o reason_n why_o some_o body_n be_v not_o dissolve_v by_o fire_n 5._o the_o reason_n why_o fire_n melt_v gold_n but_o can_v consume_v it_o 6._o why_o lead_n be_v easy_o consume_v and_o calcint_v by_o fire_n 7._o why_o and_o how_o some_o body_n be_v divide_v by_o fire_n into_o spirit_n water_n oil_n salt_n and_o earth_n and_o what_o those_o part_n be_v 8._o how_o water_n the_o three_o instrument_n to_o dissolve_v body_n dissolu_v calx_fw-la into_o salt_n and_o so_o into_o terra_fw-la damnata_fw-la 9_o how_o water_n mingle_v with_o salt_n become_v a_o most_o powerful_a agent_n to_o dissolve_v other_o body_n 10._o how_o putrefaction_n be_v cause_v chap._n xvi_o a_o explication_n of_o certain_a maxim_n touch_v the_o operation_n and_o qualy_n of_o body_n and_o whether_o the_o element_n be_v find_v pure_a in_o any_o part_n of_o the_o world_n 1._o what_o be_v the_o sphere_n of_o activity_n in_o corporeal_a agent_n 2._o the_o reason_n why_o no_o body_n can_v work_v in_o distance_n 3._o a_o objection_n answer_v against_o the_o manner_n of_o explicate_v the_o former_a axiom_n 4._o of_o re-action_n and_o first_o in_o pure_a local_a motion_n that_o each_o agent_n must_v suffer_v in_o act_v and_o act_n in_o suffering_n 5._o the_o former_a doctrine_n apply_v to_o other_o local_a motion_n design_v by_o particular_a name_n and_o that_o suisseths_n argument_n be_v of_o no_o force_n against_o this_o way_n of_o doctrine_n 6._o why_o some_o notion_n do_v admit_v of_o intention_n and_o remission_n and_o other_o not_o 7._o that_o in_o every_o part_n of_o our_o habitable_a world_n all_o the_o four_o element_n be_v find_v pure_a in_o small_a atom_n but_o not_o in_o any_o great_a bulk_n chap._n xvii_o of_o rarefaction_n and_o condensation_n the_o two_o first_o motion_n of_o particular_a body_n 1._o the_o author_n intent_n in_o this_o and_o the_o follow_a chapter_n 2._o that_o body_n may_v be_v rarify_v both_o by_o outward_a and_o inward_a heart_n and_o how_o this_o be_v perform_v 3._o of_o the_o great_a effect_n of_o rarefaction_n 4._o the_o first_o manner_n of_o condensation_n by_o heat_n 5._o the_o second_o manner_n of_o condensation_n by_o cold_a 6._o that_o ice_n be_v not_o water_v rarify_v but_o condense_v 7._o how_o wind_n snow_n and_o hail_n be_v make_v and_o wind_n by_o rain_n allay_v 8._o how_o part_n of_o the_o same_o or_o divers_a body_n be_v join_v more_o strong_o together_o by_o condensation_n 9_o vacuity_n can_v be_v the_o reason_n why_o water_n impregnate_v to_o the_o full_a with_o one_o kind_n of_o salt_n will_v notwithstanding_o receive_v more_o of_o another_o 10._o the_o true_a reason_n of_o the_o former_a effect_n 11._o the_o reason_n why_o body_n of_o the_o same_o nature_n do_v join_v more_o easy_o together_o than_o other_o chap._n xviii_o of_o another_o motion_n belong_v to_o particular_a body_n call_v attraction_n and_o of_o certain_a operation_n term_v magical_a 1._o what_o attraction_n be_v and_o from_o whence_o it_o proceed_v 2._o the_o true_a sense_n of_o the_o maxim_n that_o nature_n abhor_v from_o vacuity_n 3._o the_o true_a reason_n of_o attraction_n 4._o water_n may_v be_v bring_v by_o the_o force_n of_o attraction_n to_o what_o height_n soever_o 5._o the_o doctrine_n touch_v the_o attraction_n of_o water_n in_o syphon_n 6._o that_o the_o syphon_n do_v not_o prove_v water_n to_o weigh_v in_o its_o own_o orb_n 7._o concern_v attraction_n cause_v by_o fire_n 8._o concern_v attraction_n make_v by_o virture_n of_o hot_a body_n amulet_n &c_n &c_n 9_o the_o natural_a reason_n give_v for_o divers_a operation_n esteem_v by_o some_o to_o be_v magical_a chap._n xix_o of_o three_o other_o motion_n belong_v to_o particular_a body_n filtration_n restitution_n and_o electrical_a attraction_n 1._o what_o be_v filtration_n and_o how_o it_o be_v effect_v 2._o what_o cause_v the_o water_n in_o filtration_n to_o ascend_v 3._o why_o the_o filter_n will_v not_o drop_v unless_o the_o label_n hang_v low_a than_o the_o water_n 4._o of_o the_o motion_n of_o restitution_n and_o why_o some_o body_n stand_v bend_v other_o not_o 5._o why_o some_o body_n return_v only_o in_o part_n to_o their_o natural_a figure_n other_o entire_o 6._o concern_v the_o nature_n of_o those_o body_n which_o shrink_v and_o stretch_v 7._o how_o great_a and_o wonderful_a effect_n proceed_v from_o small_a plain_a and_o simple_a principle_n 8._o concern_v electrical_a attratâ—on_n and_o the_o cause_n of_o it_o 9_o cabeus_n his_o opinion_n refute_v concern_v the_o cause_n of_o electrical_a motion_n chap._n xx._n of_o the_o lodestone_n generation_n and_o its_o particulas_fw-la motion_n 1._o the_o extreme_a heat_n of_o the_o sun_n under_o the_o zodiac_n draw_v a_o stream_n of_o air_n from_o each_o pole_n into_o the_o torrid_a zone_n 2._o the_o atom_n of_o these_o two_o stream_n come_v together_o be_v apt_a to_o incorporate_v with_o one_o another_o 3._o by_o the_o meeting_n and_o mingle_v together_o
in_o society_n together_o and_o converse_v with_o one_o another_o whereas_o the_o other_o have_v no_o further_a extent_n then_o among_o such_o person_n as_o have_v agree_v together_o to_o explicate_v and_o design_n among_o themselves_o particular_a notion_n peculiar_a to_o their_o art_n and_o affair_n of_o the_o first_o kind_n be_v those_o ten_o general_a head_n which_o aristotle_n call_v predicament_n under_o which_o he_o who_o be_v the_o most_o judicious_a orderer_n of_o notion_n and_o director_n of_o man_n conception_n that_o ever_o live_v have_v comprise_v whatever_o have_v or_o can_v have_v a_o be_v in_o nature_n for_o when_o any_o object_n occur_v to_o our_o thought_n we_o either_o consider_v the_o essential_a and_o fundamental_a be_v of_o it_o or_o we_o refer_v it_o to_o some_o species_n of_o quantity_n or_o we_o discover_v some_o quality_n in_o it_o or_o we_o perceive_v that_o it_o do_v or_o suffer_v something_o or_o we_o conceive_v it_o in_o some_o determinate_a place_n or_o 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error_n in_o discourse_n so_o great_a and_o important_a as_o i_o can_v too_o much_o inculcate_v the_o caution_n notion_n requisite_a to_o the_o avoid_n of_o this_o rock_n which_o that_o it_o may_v be_v the_o better_o apprehend_v i_o will_v instance_n in_o one_o example_n of_o a_o most_o plain_a and_o easy_a conception_n wherein_o all_o mankind_n natural_o agree_v how_o the_o wrest_v it_o from_o its_o proper_a genuine_a and_o original_a signification_n lead_v one_o into_o strange_a absurdity_n and_o yet_o they_o pass_v for_o subtle_a speculation_n the_o notion_n of_o be_v in_o a_o place_n be_v natural_o the_o same_o in_o all_o man_n live_v ask_v any_o simple_a artisan_n where_o such_o a_o man_n such_o a_o house_n such_o a_o tree_n or_o such_o a_o thing_n be_v and_o he_o will_v answer_v you_o in_o the_o very_a same_o manner_n as_o the_o learnede_a philosopher_n will_v do_v he_o will_v tell_v you_o the_o man_n you_o ask_v for_o be_v in_o such_o a_o church_n sit_v in_o such_o a_o piew_n and_o in_o such_o a_o corner_n of_o it_o that_o the_o house_n you_o inquire_v after_o be_v in_o such_o a_o street_n and_o next_o to_o such_o two_o building_n on_o each_o side_n of_o it_o that_o the_o tree_n you_o will_v find_v out_o be_v in_o such_o a_o forest_n upon_o such_o a_o hill_n near_o such_o a_o fountain_n and_o by_o such_o a_o bush_n that_o the_o wine_n you_o will_v drink_v of_o be_v in_o such_o a_o cellar_n in_o such_o a_o part_n of_o it_o and_o in_o such_o a_o cask_n in_o conclusion_n no_o man_n live_v that_o speak_v natural_o and_o free_o out_o of_o the_o notion_n he_o find_v clear_o in_o his_o understanding_n will_v give_v you_o other_o answer_n to_o the_o question_n of_o where_o a_o thing_n be_v than_o such_o a_o one_o as_o plain_o express_v his_o conceit_n of_o be_v in_o place_n to_o be_v no_o other_o than_o body_n be_v environ_v and_o enclose_v by_o some_o one_o or_o several_a other_o that_o be_v immediate_a to_o it_o as_o the_o place_n of_o a_o liquor_n be_v the_o 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activity_n and_o the_o great_a activity_n show_v a_o great_a percussion_n burn_v being_n effect_v by_o a_o kind_n of_o attrition_n of_o the_o thing_n burn_v and_o the_o great_a force_n which_o fire_n show_v in_o gun_n and_o in_o mine_n be_v but_o a_o multiplication_n of_o the_o same_o evident_o convince_v that_o of_o its_o own_o nature_n it_o make_v a_o sting_v percussion_n when_o all_o due_a circumstance_n concur_v whereas_o it_o have_v but_o little_a effect_n if_o the_o due_a circumstance_n be_v want_v as_o we_o may_v observe_v in_o the_o insensible_a burn_a of_o so_o rarefy_v a_o body_n as_o pure_a spirit_n of_o wine_n convert_v into_o flame_n but_o we_o must_v examine_v the_o matter_n more_o parrticular_o and_o seek_v the_o cause_n why_o a_o violent_a effect_n do_v not_o always_o appear_v wherever_o light_n strike_v for_o which_o we_o be_v to_o note_v that_o three_o thing_n concur_v to_o make_v a_o percussion_n great_a the_o bigness_n the_o density_n and_o the_o celerity_n of_o the_o body_n move_v of_o which_o three_o there_o be_v only_o one_o in_o light_n to_o wit_n celerity_n for_o it_o have_v the_o great_a rarity_n and_o the_o ray_n of_o it_o be_v the_o small_a parcel_n of_o all_o natural_a body_n and_o therefore_o since_o only_a celerity_n be_v considerable_a in_o the_o account_n of_o light_n percussion_n we_o must_v examine_v what_o celerity_n be_v necessary_a to_o make_v the_o stroke_n of_o a_o ray_n sensible_a first_o then_o we_o see_v that_o all_o the_o mote_n of_o the_o air_n nay_o even_a feather_n and_o straw_n do_v make_v no_o sensible_a percussion_n when_o they_o fall_v upon_o we_o therefore_o we_o must_v in_o light_n have_v at_o the_o least_o a_o celerity_n that_o may_v be_v to_o the_o celerity_n of_o the_o straw_n fall_v upon_o our_o hand_n for_o example_n as_o the_o density_n of_o the_o straw_n be_v to_o the_o density_n of_o light_n that_o the_o percussion_n of_o light_n may_v be_v in_o the_o least_o degree_n sensible_a but_o let_v we_o take_v 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rare_a than_o gunpowder_n which_o be_v almost_o ten_o time_n a_o great_a proportion_n than_o the_o other_o and_o yet_o this_o celerity_n supply_v but_o one_o of_o the_o two_o condition_n want_v in_o light_a to_o make_v its_o percussion_n sensible_a namely_o density_n now_o because_o the_o same_o velocity_n in_o a_o body_n of_o a_o lesser_a bulk_n do_v not_o make_v so_o great_a a_o percussion_n as_o it_o do_v in_o a_o big_a body_n and_o that_o the_o littleness_n of_o the_o least_o part_n of_o body_n follow_v the_o proportion_n of_o their_o rarity_n this_o vast_a proportion_n of_o celerity_n must_v again_o be_v draw_v into_o itself_o to_o supply_v for_o the_o excess_n in_o bigness_n that_o a_o corn_n of_o gunpowder_n have_v over_o a_o atom_n of_o light_n and_o the_o product_n of_o this_o multiplication_n will_v be_v the_o celerity_n require_v to_o supply_v for_o both_o defect_n which_o evident_o show_v it_o be_v impossible_a that_o a_o ray_n of_o light_n shall_v make_v any_o sensible_a percussion_n though_o it_o be_v a_o body_n especial_o consider_v that_o sense_n never_o take_v notice_n of_o what_o be_v perpetual_o do_v in_o a_o moderate_a degree_n and_o therefore_o after_o this_o minute_n look_v into_o all_o circumstance_n we_o need_v not_o have_v difficulty_n in_o allow_v to_o light_v the_o great_a celerity_n imaginable_a and_o a_o percussion_n proportionate_a to_o such_o a_o celerity_n in_o so_o rare_a a_o body_n and_o yet_o not_o fear_v any_o violent_a effect_n from_o its_o blow_n unless_o it_o be_v condense_v and_o many_o part_n of_o it_o be_v bring_v together_o to_o work_v as_o if_o they_o be_v but_o one_o as_o concern_v the_o last_o objection_n that_o if_o light_n be_v a_o body_n it_o will_v be_v fan_v by_o the_o wind_n we_o must_v consider_v what_o be_v the_o cause_n wind_n of_o a_o thing_n appear_v to_o be_v move_v and_o then_o examine_v what_o force_n that_o cause_n have_v in_o light_n as_o for_o the_o first_o part_n we_o see_v that_o when_o a_o body_n 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illuminate_v it_o soon_o than_o it_o can_v be_v see_v by_o we_o wherefore_o it_o will_v appear_v to_o we_o illuminate_v as_o be_v in_o that_o place_n and_o therefore_o the_o light_n can_v never_o appear_v shake_v and_o last_o it_o be_v easy_a for_o the_o air_n or_o wind_n to_o destroy_v the_o light_n then_o to_o remove_v it_o out_o of_o its_o place_n wherefore_o it_o can_v never_o so_o remove_v it_o out_o of_o its_o place_n as_o that_o we_o shall_v see_v it_o in_o another_o place_n but_o if_o it_o shall_v remove_v it_o it_o will_v wrap_v it_o up_o within_o itself_o and_o hide_v it_o in_o conclusion_n after_o this_o long_a dispute_n concern_v the_o nature_n of_o light_n if_o we_o consider_v well_o what_o have_v be_v say_v on_o both_o side_n
revolution_n of_o the_o heaven_n for_o day_n hour_n and_o year_n be_v nothing_o else_o but_o they_o or_o some_o determinate_a part_n of_o they_o to_o some_o of_o which_o all_o other_o motion_n and_o succession_n must_v of_o necessity_n be_v refer_v if_o we_o will_v measure_v they_o and_o thus_o we_o see_v how_o all_o the_o mystery_n of_o apply_v time_n to_o particular_a motion_n be_v nothing_o else_o but_o the_o consider_v how_o far_o the_o agent_n that_o move_v the_o sun_n cause_v it_o to_o go_v on_o in_o its_o journey_n while_o the_o agent_n that_o move_v a_o particular_a body_n cause_v it_o to_o perform_v its_o motion_n so_o that_o it_o be_v evident_a that_o velocity_n be_v the_o effect_n of_o the_o superproportion_n infinite_a of_o the_o one_o agent_n over_o a_o certain_a medium_fw-la in_o respect_n of_o the_o proportion_n which_o another_o agent_n have_v to_o the_o same_o medium_fw-la and_o therefore_o velocity_n be_v a_o quality_n by_o which_o one_o succession_n be_v intrinsical_o distinguish_v from_o another_o though_o our_o explication_n use_v to_o include_v time_n in_o the_o notion_n of_o velocity_n and_o tardity_n velocity_n then_o be_v the_o effect_n as_o we_o say_v of_o more_o strength_n in_o the_o agent_n and_o have_v before_o express_v that_o velocity_n be_v a_o kind_n of_o density_n we_o find_v that_o this_o kind_n of_o density_n be_v a_o excellency_n in_o succession_n as_o permanent_a density_n be_v a_o excellency_n in_o the_o nature_n of_o substance_n though_o a_o imperfection_n in_o the_o nature_n of_o quantity_n by_o which_o we_o see_v that_o quantity_n be_v a_o kind_n of_o base_a alloy_n add_v to_o substance_n and_o out_o of_o this_o it_o be_v evident_a that_o by_o how_o much_o the_o quick_a the_o motion_n be_v in_o equal_a medium_n by_o so_o much_o the_o agent_n be_v the_o perfect_a which_o cause_v it_o to_o so_o quick_a wherefore_o if_o the_o velocity_n shall_v ascend_v so_o much_o as_o to_o admit_v no_o proportion_n between_o the_o quickness_n of_o the_o one_o and_o the_o tardity_n of_o the_o other_o all_o other_o circumstance_n be_v even_o except_v the_o difference_n of_o the_o agent_n then_o there_o must_v be_v no_o proportion_n between_o the_o agent_n nor_o indeed_o can_v there_o be_v any_o proportion_n between_o they_o though_o there_o be_v never_o so_o many_o difference_n in_o other_o circumstance_n as_o long_o as_o those_o difference_n be_v within_o any_o proportion_n and_o consequent_o you_o see_v that_o if_o one_o agent_n be_v suppose_v to_o move_v in_o a_o instant_n and_o another_o in_o time_n whatever_o other_o difference_n be_v in_o the_o body_n move_v and_o in_o the_o medium_n nevertheless_o the_o agent_n which_o cause_v motion_n in_o a_o instant_n will_v be_v infinite_a in_o respect_n of_o the_o agent_n which_o move_v in_o time_n which_o be_v impossible_a it_o be_v the_o nature_n of_o a_o body_n that_o great_a quantity_n of_o the_o same_o thing_n have_v great_a virtue_n than_o a_o less_o quantity_n have_v and_o therefore_o for_o a_o body_n to_o have_v infinite_a virtue_n it_o must_v have_v infinite_a magnitude_n if_o any_o shall_v say_v the_o contrary_a affirm_v the_o infinite_a virtue_n may_v be_v in_o a_o finite_a body_n i_o ask_v whether_o in_o half_a that_o body_n be_v it_o divide_v the_o virtue_n will_v be_v infinite_a or_o no_o if_o he_o acknowledge_v that_o it_o will_v not_o i_o infer_v thence_o that_o neither_o in_o the_o two_o part_n together_o there_o can_v be_v infinite_a virtue_n for_o two_o finites_n can_v compose_v and_o make_v up_o one_o infinite_a but_o if_o he_o will_v have_v the_o virtue_n be_v infinite_a in_o each_o half_n he_o therein_o allow_v that_o there_o be_v no_o more_o virtue_n in_o the_o whole_a body_n then_o in_o one_o half_a of_o it_o which_o be_v against_o the_o nature_n of_o body_n now_o that_o a_o body_n can_v be_v infinite_a in_o greatness_n be_v prove_v in_o the_o second_o knot_n of_o mr._n white_n be_v first_o dialogue_n de_fw-fr mundo_fw-la and_o thus_o it_o be_v evident_a that_o by_o the_o virtue_n of_o pure_a body_n there_o can_v be_v no_o motion_n in_o a_o instant_n on_o the_o other_o side_n it_o follow_v that_o there_o can_v be_v so_o little_a a_o force_n in_o nature_n but_o that_o give_v it_o time_n enough_o it_o will_v move_v imaginable_a the_o great_a weight_n that_o can_v be_v imagine_v for_o the_o thing_n we_o treat_v of_o be_v all_o of_o they_o quantity_n may_v by_o division_n and_o multiplication_n be_v bring_v to_o equality_n as_o for_o example_n suppose_v the_o weight_n of_o a_o movable_a to_o be_v a_o million_o of_o pound_n and_o that_o the_o mover_n be_v able_a to_o move_v the_o million_v part_n of_o one_o of_o those_o pound_n in_o a_o million_o of_o year_n the_o million_v part_n of_o a_o pace_n through_o a_o medium_fw-la of_o a_o certain_a rarity_n see_v year_n may_v be_v multiply_v so_o as_o to_o equalise_v the_o force_n of_o this_o mover_n to_o the_o weight_n of_o the_o movable_a it_o follow_v clear_o that_o this_o force_n may_v move_v the_o whole_a weight_n of_o a_o million_o of_o pound_n through_o the_o determine_v medium_fw-la in_o a_o determinate_a number_n of_o million_o of_o year_n a_o million_o of_o pace_n for_o such_o a_o force_n be_v equal_a to_o the_o require_a effect_n and_o by_o consequence_n if_o the_o effect_n shall_v not_o follow_v there_o will_v be_v a_o complete_a cause_n put_v and_o no_o effect_n result_v from_o it_o but_o peradventure_o it_o be_v needful_a to_o illustrate_v this_o point_n yet_o further_o suppose_v then_o a_o weight_n never_o so_o great_a to_o be_v a_o and_o a_o force_n never_o so_o little_a to_o be_v b._n now_o if_o you_o conceive_v that_o some_o other_o force_n move_v a_o you_o must_v withal_o conceive_v it_o move_v a_o some_o space_n since_o all_o motion_n imply_v necessary_o that_o it_o be_v through_o some_o space_n let_v that_o space_n be_v cd_o and_o because_o a_o body_n can_v be_v move_v a_o space_n in_o a_o instant_n but_o require_v some_o time_n to_o have_v its_o motion_n perform_v in_o it_o follow_v that_o there_o must_v be_v a_o determine_a time_n in_o which_o the_o conceive_a force_n must_v move_v the_o weight_n a_o through_o the_o space_n cd_o let_v that_o time_n be_v ef._n now_o then_o this_o be_v evident_a that_o it_o be_v all_o one_o to_o say_v that_z b_o moves_z a_o and_o to_o say_v that_z b_o moves_z a_o through_o a_o space_n in_o a_o time_n so_o that_o if_o any_o part_n of_o this_o be_v leave_v out_o it_o can_v be_v understand_v that_o b_o moves_z a._n therefore_o to_o express_v particular_o the_o effect_n which_o b_o be_v to_o do_v upon_o a_o we_o must_v say_v b_o must_v move_v a_o a_o certain_a space_n in_o a_o certain_a time_n which_o be_v so_o we_o may_v in_o the_o next_o place_n consider_v that_o this_o effect_n of_o move_v a_o may_v be_v diminish_v two_o way_n either_o because_o the_o space_n it_o be_v to_o be_v move_v in_o be_v lessen_v or_o the_o time_n take_v up_o in_o its_o motion_n be_v increase_v for_o as_o it_o be_v a_o great_a effect_n to_o move_v a_o through_o the_o space_n cd_o in_o a_o less_o time_n then_o of_o so_o it_o be_v a_o less_o effect_n to_o move_v the_o same_o a_o through_o the_o space_n cd_o in_o a_o great_a time_n then_o of_o or_o through_o a_o less_o space_n than_o cd_o in_o the_o time_n ef._n now_o then_o this_o be_v suppose_v that_o it_o be_v a_o less_o effect_n to_o move_v a_o through_o cd_o in_o a_o great_a time_n then_o of_o it_o follow_v also_o that_o a_o lesser_a virtue_n be_v able_a to_o move_v it_o through_o cd_o in_o a_o great_a time_n then_o of_o than_o the_o virtue_n which_o be_v require_v to_o move_v it_o through_o the_o same_o space_n in_o the_o time_n ef._n which_o if_o it_o be_v once_o grant_v as_o it_o can_v be_v deny_v then_o multiply_v the_o time_n as_o much_o as_o the_o virtue_n or_o force_n require_v to_o move_v a_o through_o cd_o in_o the_o time_n of_o be_v great_a than_o the_o force_n b_o in_o so_o much_o time_n the_o force_n b_o will_v be_v able_a to_o move_v a_o through_o cd_o which_o discourse_n be_v evident_a if_o we_o take_v it_o in_o common_a term_n but_o it_o be_v apply_v to_o action_n wherein_o physical_a accident_n intervene_v the_o artificer_n must_v have_v the_o judgement_n to_o provide_v for_o they_o according_a to_o the_o nature_n of_o his_o matter_n upon_o this_o last_o discourse_n hang_v the_o principle_n which_o govern_v discourse_n mechanic_n to_o wit_n that_o the_o force_n and_o the_o distance_n of_o weight_n counterpoyse_v one_o another_o aught_o to_o reciprocal_a that_o be_v by_o how_o much_o the_o one_o weight_n be_v heavy_a than_o the_o other_o by_o so_o much_o must_v the_o distance_n of_o the_o light_a from_o the_o fix_a point_n upon_o which_o
in_o proportion_n to_o their_o cause_n it_o follow_v that_o this_o increase_n be_v in_o a_o determinate_a proportion_n which_o galileus_n to_o who_o we_o owe_v the_o great_a part_n of_o what_o be_v know_v concern_v motion_n teach_v we_o how_o to_o find_v out_o and_o to_o discover_v what_o degree_n of_o celerity_n any_o movable_a that_o be_v move_v by_o nature_n have_v in_o any_o determinate_a part_n of_o the_o space_n it_o move_v in_o have_v settle_v these_o condition_n of_o motion_n we_o shall_v do_v well_o in_o one_o the_o next_o place_n to_o inquire_v after_o the_o cause_n of_o it_o as_o well_o in_o the_o body_n move_v as_o also_o in_o the_o mover_n that_o occasion_n the_o motion_n and_o because_o we_o have_v already_o show_v that_o local_a motion_n be_v nothing_o in_o substance_n but_o division_n we_o may_v determine_v that_o those_o cause_n which_o contribute_v to_o division_n or_o resist_v it_o be_v the_o cause_n which_o make_v or_o resist_v local_a motion_n it_o have_v also_o be_v say_v that_o density_n have_v in_o it_o a_o power_n of_o divide_v and_o that_o rarity_n be_v the_o cause_n of_o be_v divide_v likewise_o we_o have_v say_v that_o fire_n by_o reason_n of_o its_o small_a part_n intow_v ch_o it_o may_v be_v cut_v which_o make_v they_o sharp_a have_v also_o a_o eminence_n in_o divide_v so_o that_o we_o have_v two_o quality_n density_n and_o tenuity_n or_o sharpness_n which_o concur_v active_o to_o division_n we_o have_v tell_v motion_n you_o also_o how_o galileus_n have_v demonstrate_v that_o a_o great_a quantity_n of_o the_o same_o figure_n and_o density_n have_v a_o privilege_n of_o descend_v fast_o than_o a_o lesser_a and_o that_o privilege_n consist_v in_o this_o that_o the_o proportion_n of_o the_o superficies_n to_o the_o body_n it_o limit_n which_o proportion_n the_o great_a it_o be_v the_o more_o it_o retard_v be_v less_o in_o a_o great_a bulk_n than_o in_o a_o small_a we_o have_v therefore_o three_o condition_n concur_v to_o make_v the_o motion_n more_o efficacious_a namely_o the_o density_n the_o sharpness_n and_o the_o bulk_n of_o the_o movable_a and_o more_o than_o these_o three_o we_o can_v expect_v to_o find_v in_o a_o move_a body_n for_o quantity_n have_v but_o three_o determination_n one_o by_o density_n &_o rarity_n of_o which_o density_n be_v one_o of_o the_o three_o condition_n another_o by_o its_o part_n as_o by_o a_o foot_n a_o span_n etc._n etc._n and_o in_o this_o way_n we_o have_v find_v that_o the_o great_a excel_v the_o lesser_a the_o three_o and_o last_o be_v by_o its_o figure_n and_o in_o this_o we_o find_v that_o subtle_a or_o edge_a quantity_n do_v prevail_v over_o blunt_a one_o see_v therefore_o that_o these_o three_o determination_n be_v all_o that_o be_v in_o quantity_n there_o can_v be_v no_o more_o condition_n in_o the_o body_n move_v which_o of_o necessity_n be_v a_o finite_a quantity_n but_o the_o three_o name_v and_o as_o for_o the_o medium_n which_o be_v to_o be_v divide_v there_o be_v only_a rarity_n and_o density_n the_o one_o to_o help_v the_o other_o to_o hinder_v that_o require_v consideration_n on_o its_o side_n for_o neither_o figure_n nor_o littleness_n and_o greatness_n do_v make_v any_o variation_n in_o it_o and_o as_o for_o the_o agent_n it_o be_v not_o as_o yet_o time_n before_o we_o have_v look_v further_o into_o the_o nature_n of_o motion_n to_o determine_v his_o quality_n now_o then_o let_v we_o reflect_v how_o these_o three_o condition_n do_v all_o agree_v in_o this_o circumstance_n that_o they_o help_v nothing_o to_o division_n unless_o the_o body_n in_o which_o they_o be_v to_o be_v move_v and_o press_v against_o universe_n the_o body_n that_o be_v to_o be_v divide_v so_o that_o we_o see_v no_o principle_n to_o persuade_v we_o that_o any_o body_n can_v move_v itself_o towards_o any_o determinate_a part_n or_o place_n of_o the_o universe_n of_o its_o own_o intrinsical_a inclination_n for_o beside_o that_o the_o learned_a author_n of_o the_o dialogue_n de_fw-fr mundo_fw-la in_o his_o three_o dialogue_n and_o the_o second_o knot_n have_v demonstrate_v that_o a_o body_n can_v move_v unless_o it_o be_v move_v by_o some_o extrinsical_a agent_n we_o may_v easy_o frame_v to_o ourselves_o a_o conceit_n how_o absurd_a it_o be_v to_o think_v that_o a_o body_n by_o a_o quality_n in_o it_o can_v work_v upon_o itself_o as_o if_o we_o shall_v say_v that_o rarity_n which_o be_v but_o more_o quantity_n can_v work_v upon_o quantity_n or_o that_o figure_n which_o be_v but_o that_o the_o body_n reach_v no_o further_a can_v work_v upon_o the_o body_n and_o in_o general_a that_o the_o manner_n of_o any_o thing_n can_v work_v upon_o that_o thing_n who_o manner_n it_o be_v for_o aristotle_n and_o st._n thomas_n and_o their_o intelligent_a commentator_n declare_v the_o notion_n of_o quality_n tell_v we_o that_o to_o be_v a_o quality_n be_v nothing_o else_o but_o to_o be_v the_o determination_n or_o modification_n of_o the_o thing_n who_o quality_n it_o be_v beside_o the_o natural_a manner_n of_o operation_n be_v to_o work_v according_a to_o the_o capacity_n of_o the_o subject_n but_o when_o a_o body_n be_v in_o the_o midst_n of_o a_o uniform_a medium_n or_o space_n the_o subject_n be_v equal_o prepare_v on_o all_o side_n to_o receive_v the_o action_n of_o that_o body_n wherefore_o though_o we_o shall_v allow_v it_o a_o force_n to_o move_v if_o it_o be_v a_o natural_a agent_n and_o have_v no_o understanding_n it_o must_v work_v indifferent_o on_o all_o side_n and_o by_o consequence_n can_v move_v on_o any_o side_n for_o if_o you_o say_v that_o the_o agent_n in_o this_o case_n where_o the_o medium_n be_v uniform_a work_v rather_o upon_o one_o side_n than_o upon_o another_o it_o must_v be_v because_o this_o determination_n be_v within_o the_o agent_n itself_o and_o not_o out_o of_o the_o circumstant_fw-la disposition_n which_o be_v the_o manner_n of_o work_v of_o those_o substance_n that_o work_v for_o a_o end_n of_o their_o own_o that_o be_v of_o understand_a creature_n and_o not_o of_o natural_a hody_n now_o he_o that_o will_v exact_o determine_v what_o motion_n a_o body_n have_v or_o be_v apt_a to_o have_v determine_v by_o supposition_n the_o force_n of_o number_n the_o agent_n must_v calculate_v the_o proportion_n of_o all_o these_o three_o condition_n of_o the_o movable_a and_o the_o quality_n of_o the_o medium_n which_o be_v a_o proceed_n too_o particular_a for_o the_o intention_n of_o our_o discourse_n but_o to_o speak_v in_o common_a it_o will_v not_o be_v amiss_o to_o examine_v in_o what_o proportion_n motion_n do_v increase_v since_o we_o have_v conclude_v that_o all_o motion_n proceed_v from_o quiet_a by_o a_o continual_a increase_n galileus_n that_o miracle_n of_o our_o age_n and_o who_o wit_n be_v able_a to_o discover_v whatever_o he_o have_v a_o mind_n to_o employ_v it_o about_o have_v tell_v we_o that_o natural_a motion_n increase_v in_o the_o proportion_n of_o the_o odd_a number_n which_o to_o express_v by_o example_n be_v thus_o suppose_v that_o in_o the_o go_n of_o the_o first_o yard_n it_o have_v one_o degree_n of_o velocity_n then_o in_o the_o go_n of_o the_o second_o yard_n it_o will_v have_v three_o degree_n and_o in_o go_v of_o the_o three_o it_o will_v have_v five_o and_o so_o onward_o still_o add_v two_o to_o the_o degree_n of_o the_o velocity_n for_o every_o one_o to_o the_o space_n or_o to_o express_v it_o more_o plain_o if_o in_o the_o first_o minute_n of_o time_n it_o go_v one_o yard_n of_o space_n then_o in_o the_o next_o minute_n it_o will_v go_v three_o yard_n in_o the_o three_o it_o will_v go_v five_o in_o the_o four_o seven_o and_o so_o forth_o but_o we_o must_v enlarge_v this_o proposition_n to_o all_o motion_n as_o we_o have_v do_v the_o former_a of_o the_o increase_n itself_o in_o velocity_n because_o the_o reason_n of_o it_o be_v common_a to_o all_o motion_n which_o be_v that_o all_o motion_n as_o may_v appear_v out_o of_o what_o we_o have_v former_o say_v proceed_v from_o two_o cause_n namely_o the_o agent_n or_o the_o force_n that_o move_v and_o the_o disposition_n of_o the_o body_n move_v as_o it_o be_v compose_v of_o the_o three_o quality_n we_o late_o explicate_v in_o which_o be_v to_o be_v note_v that_o the_o agent_n do_v not_o move_v simple_o by_o its_o own_o virtue_n but_o apply_v also_o the_o virtue_n of_o the_o body_n move_v which_o it_o have_v to_o divide_v the_o medium_n when_o it_o be_v put_v on_o as_o when_o we_o cut_v with_o a_o knife_n the_o effect_n proceed_v from_o the_o knife_n press_v on_o by_o the_o hand_n or_o from_o the_o hand_n as_o apply_v and_o put_v in_o action_n the_o edge_n and_o cut_a power_n of_o the_o knife_n now_o this_o in_o physics_n and_o nature_n be_v clear_o parallel_v to_o what_o in_o geometry_n
and_o arithmetic_n the_o mathematician_n call_v draw_v one_o number_n or_o one_o side_n into_o another_o for_o as_o in_o mathematics_n to_o draw_v one_o number_n into_o another_o be_v to_o apply_v the_o number_n draw_v to_o every_o part_n of_o the_o number_n into_o which_o it_o be_v draw_v as_o if_o we_o draw_v three_o into_o seven_o we_o make_v twenty_o one_o by_o make_v every_o unity_n or_o part_n of_o the_o number_n seven_o to_o be_v three_o and_o the_o like_a be_v of_o line_n in_o geometry_n so_o in_o the_o present_a case_n to_o every_o part_n of_o the_o hand_n motion_n we_o add_v the_o whole_a virtue_n of_o the_o cut_a faculty_n which_o be_v in_o the_o knife_n and_o to_o every_o part_n of_o the_o motion_n of_o the_o knife_n we_o add_v the_o whole_a press_a virtue_n of_o the_o hand_n therefore_o the_o increase_n of_o the_o effect_n proceed_v from_o two_o cause_n so_o work_v must_v also_o be_v parallel_n to_o the_o increase_n of_o the_o quantity_n arise_v out_o of_o the_o like_o draw_v in_o mathematics_n but_o in_o those_o it_o be_v evident_a that_o the_o increase_n be_v according_a to_o the_o order_n of_o the_o odd_a number_n and_o therefore_o it_o must_v in_o our_o case_n be_v the_o like_a that_o be_v the_o increase_n must_v be_v in_o the_o say_a proportion_n of_o odd_a number_n now_o that_o in_o those_o the_o increase_n proceed_v so_o will_v be_v evident_a if_o you_o consider_v the_o increase_n of_o a_o equicrure_a triangle_n which_o because_o it_o go_v upon_o a_o certain_a proportion_n of_o length_n and_o breadth_n if_o you_o compare_v the_o increase_v of_o the_o whole_a triangle_n that_o gain_v on_o each_o side_n with_o the_o increase_v of_o the_o perpendicular_a which_o gain_v only_o in_o length_n you_o will_v see_v that_o they_o will_v proceed_v in_o the_o foresay_a proportion_n of_o odd_a number_n but_o we_o must_v not_o imagine_v that_o the_o velocity_n of_o motion_n will_v always_o increase_v thus_o for_o as_o long_o as_o we_o can_v fancy_v any_o motion_n but_o when_o it_o be_v arrive_v to_o the_o utmost_a period_n that_o such_o a_o movable_a with_o such_o cause_n be_v capable_a of_o than_o it_o keep_v constant_o the_o same_o pace_n and_o go_v equal_o and_o uniform_o at_o the_o same_o rate_n for_o since_o the_o density_n of_o the_o movable_a &_o the_o force_n of_o the_o agent_n move_v it_o which_o two_o cause_n the_o motion_n have_v a_o limit_a proportion_n to_o the_o resistance_n of_o the_o medium_n how_o yield_v soever_o it_o be_v it_o must_v needs_o follow_v that_o when_o the_o motion_n be_v arrive_v to_o that_o height_n which_o arise_v out_o of_o this_o proportion_n it_o can_v exceed_v it_o but_o must_v continue_v at_o that_o rate_n unless_o some_o other_o cause_n give_v yet_o a_o great_a impulse_n to_o the_o movable_a for_o velocity_n consist_v in_o this_o that_o the_o movable_a cut_n through_o more_o of_o the_o medium_n in_o a_o equal_a time_n it_o be_v evident_a that_o in_o the_o increase_n of_o velocity_n the_o resistance_n of_o the_o medium_n which_o be_v overcome_v by_o it_o grow_v great_a and_o great_a and_o by_o little_a and_o little_a gain_n upon_o the_o force_n of_o the_o agent_n so_o that_o the_o superproportion_n of_o the_o agent_n grow_v still_o lesser_a and_o lesser_a as_o the_o velocity_n increase_v and_o therefore_o at_o the_o length_n they_o must_v come_v to_o be_v balance_v and_o then_o the_o velocity_n can_v increase_v no_o more_o and_o the_o reason_n of_o the_o increase_n of_o it_o for_o a_o while_n at_o the_o beginning_n be_v because_o come_v from_o rest_n it_o must_v pass_v through_o all_o the_o intermediate_v degree_n of_o velocity_n before_o it_o can_v attain_v to_o the_o height_n of_o it_o which_o require_v time_n to_o perform_v and_o therefore_o fall_v under_o the_o power_n of_o our_o sense_n to_o observe_v but_o because_o we_o see_v it_o do_v so_o for_o some_o time_n we_o must_v not_o therefore_o conclude_v the_o nature_n of_o such_o motion_n be_v still_o to_o increase_v without_o any_o period_n or_o limit_n like_o those_o line_n that_o perpetual_o grow_v near_o and_o yet_o can_v never_o meet_v for_o we_o see_v our_o reason_n examine_v the_o cause_n of_o this_o velocity_n assure_v we_o that_o in_o continuance_n of_o time_n and_o space_n it_o may_v come_v to_o its_o height_n which_o it_o can_v exceed_v and_o there_o will_v be_v the_o pitch_n at_o which_o distance_n weight_v be_v let_v fall_v will_v give_v the_o great_a stroke_n and_o make_v great_a impression_n it_o be_v true_a that_o galileus_n and_o mersenius_n two_o exact_a experimenter_n do_v think_v they_o find_v this_o verity_n by_o their_o experience_n but_o sure_o that_o be_v impossible_a to_o be_v do_v for_o the_o increase_n of_o velocity_n be_v in_o a_o proportion_n ever_o diminish_v must_v of_o necessity_n come_v to_o a_o insensible_a increase_n in_o proportion_n before_o it_o end_v for_o the_o space_n which_o the_o movable_a go_v through_o be_v still_o increase_v and_o the_o 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as_o positive_a gravity_n or_o levity_n but_o that_o their_o course_n upward_o or_o downward_o happen_v to_o they_o by_o the_o order_n of_o nature_n which_o by_o outward_a cause_n give_v they_o a_o impulse_n one_o of_o these_o way_n without_o which_o they_o will_v rest_v quiet_o wherever_o they_o be_v as_o be_v of_o themselves_o indifferent_a to_o any_o motion_n but_o because_o our_o word_n express_v our_o notion_n and_o they_o be_v frame_v according_a to_o what_o appear_v to_o we_o when_o we_o observe_v any_o body_n to_o descend_v constant_o towards_o our_o earth_n we_o call_v it_o heavy_a and_o if_o it_o move_v contrariwise_o we_o call_v it_o light_n but_o we_o must_v take_v heed_n of_o consider_v such_o gravity_n and_o levity_n as_o if_o they_o be_v entity_n that_o work_v such_o effect_n since_o upon_o examination_n it_o appear_v that_o these_o word_n be_v but_o short_a expression_n of_o the_o effect_n themselves_o the_o cause_n whereof_o the_o vulgar_a of_o mankind_n who_o impose_v 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water_n to_o the_o body_n that_o descend_v in_o it_o will_v yield_v no_o sensible_a difference_n of_o velocity_n when_o they_o descend_v in_o air_n by_o reason_n of_o the_o great_a disproportion_n of_o weight_n between_o air_n and_o the_o body_n that_o descend_v in_o it_o the_o reason_n of_o this_o will_v clear_o show_v itself_o in_o abstract_a proportion_n thus_o suppose_v air_n to_o have_v one_o degree_n of_o density_n and_o water_n to_o have_v 400_o then_o let_v the_o movable_a a._n have_v 410_o degree_n of_o density_n and_o the_o movable_a b._n have_v 500_o now_o compare_v their_o motion_n to_o one_o another_o in_o the_o several_a medium_n of_o air_n and_o water_n the_o exuperance_n of_o the_o density_n of_o a._n to_o water_n be_v 10_o degree_n but_o the_o exuperance_n of_o b._n to_o the_o same_o water_n be_v 100_o degree_n so_o that_o b._n must_v have_v in_o water_n swift_a than_o a_o in_o the_o proportion_n of_o 103_o to_o ten_o that_o be_v of_o 10_o to_o one_o then_o let_v we_o 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here_o their_o proportion_n which_o i_o leave_v to_o they_o who_o make_v that_o examination_n their_o task_n for_o thus_o much_o serve_v my_o present_a turn_n wherein_o i_o take_v a_o survey_n of_o nature_n but_o in_o gross_a and_o my_o chief_a drift_n in_o this_o particular_a be_v only_o to_o open_v the_o way_n for_o the_o discover_v how_o body_n that_o of_o themselves_o have_v no_o propension_n to_o any_o determinate_a place_n do_v nevertheless_o move_v constant_o and_o perpetual_o one_o way_n the_o dense_a one_o descend_v and_o the_o rare_a one_o ascend_v not_o by_o any_o intrinsical_a quality_n that_o work_v upon_o they_o but_o by_o the_o oeconomy_n of_o nature_n that_o have_v set_v on_o foot_n due_a and_o plain_a cause_n to_o produce_v know_v effect_n good_a here_o we_o must_v crave_v patience_n of_o the_o great_a soul_n of_o galileus_n who_o admirable_a learning_n all_o posterity_n must_v reverence_v while_o we_o reprehend_v in_o he_o that_o which_o we_o can_v term_v less_o than_o absurd_a and_o yet_o he_o not_o only_o maintain_v it_o in_o several_a place_n but_o also_o profess_v dial._n po._n de_fw-fr motu_fw-la pag._n 81._o to_o make_v it_o more_o clear_a than_o day_n his_o position_n be_v that_o more_o or_o less_o gravity_n contribute_v nothing_o at_o all_o to_o the_o fast_o or_o slow_o descend_v of_o a_o natural_a body_n but_o that_o all_o the_o effect_n it_o give_v to_o a_o body_n be_v to_o make_v it_o descend_v or_o not_o descend_v in_o such_o a_o medium_fw-la which_o be_v against_o the_o first_o and_o most_o know_a principal_a that_o be_v in_o body_n to_o wit_n that_o more_o do_v more_o and_o less_o do_v less_o for_o he_o allow_v that_o gravity_n cause_v a_o body_n to_o descend_v and_o yet_o will_v not_o allow_v that_o more_o gravity_n cause_v it_o to_o descend_v more_o i_o wonder_v he_o never_o mark_v how_o in_o a_o pair_n of_o scale_n a_o superproportion_n of_o the_o overweight_n in_o one_o balance_n lift_v up_o the_o other_o fast_o than_o a_o 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that_o the_o same_o effect_n proceed_v from_o reflection_n as_o from_o refraction_n for_o by_o reflection_n a_o thing_n may_v be_v see_v great_a than_o it_o be_v in_o a_o different_a place_n from_o the_o true_a one_o where_o it_o be_v colour_n may_v be_v make_v by_o reflection_n as_o also_o gloat_a light_n and_o fire_n likewise_o and_o peradventure_o all_o other_o effect_n which_o be_v cause_v by_o refraction_n may_v as_o well_o as_o these_o be_v perform_v by_o reflection_n and_o therefore_o it_o be_v evident_a they_o must_v be_v of_o the_o same_o nature_n since_o child_n be_v the_o resemblance_n of_o their_o parent_n chap._n fourteen_o of_o the_o composition_n quality_n and_o generation_n of_o mix_a body_n have_v now_o declare_v the_o virtue_n by_o which_o fire_n and_o earth_n work_v upon_o one_o another_o and_o upon_o the_o rest_n of_o the_o element_n it_o which_o be_v by_o light_n and_o the_o motion_n we_o have_v discourse_v of_o our_o task_n shall_v be_v in_o this_o chapter_n 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either_o lose_v his_o course_n by_o steer_v after_o a_o wrong_a compass_n or_o be_v force_v back_o again_o with_o short_a and_o obscure_a relation_n of_o discovery_n since_o other_o that_o go_v out_o before_o he_o be_v return_v with_o a_o large_a account_n to_o such_o as_o be_v able_a to_o understand_v and_o sum_v it_o up_o which_o white_a sure_o our_o learned_a countryman_n and_o my_o best_a and_o most_o honour_a friend_n and_o to_o who_o of_o all_o man_n live_v i_o be_o most_o oblige_v for_o to_o he_o i_o owe_v that_o little_a which_o i_o know_v and_o what_o i_o have_v and_o shall_v set_v down_o in_o all_o this_o discourse_n be_v but_o a_o few_o spark_n kindle_v by_o i_o at_o his_o great_a fire_n have_v both_o profound_o and_o accute_o and_o in_o every_o regard_n judicious_o perform_v in_o his_o dialogue_n of_o the_o world_n our_o task_n then_o in_o a_o low_a strain_n and_o more_o proportionate_a to_o so_o weak_a shoulder_n be_v to_o look_v no_o further_o then_o among_o those_o 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they_o can_v free_v themselves_o from_o the_o dense_a one_o that_o will_v imprison_v they_o they_o carry_v they_o along_o with_o they_o and_o make_v they_o swell_v out_o as_o well_o as_o themselves_o now_o if_o they_o be_v keep_v in_o by_o the_o vessel_n so_o that_o they_o have_v not_o play_v enough_o they_o drive_v the_o dense_a one_o like_o so_o many_o little_a hammer_n or_o wedge_n against_o the_o side_n of_o it_o and_o at_o length_n break_v it_o and_o so_o make_v themselves_o way_n to_o a_o large_a room_n but_o if_o they_o have_v vent_v the_o more_o fiery_a hot_a spirit_n fly_v away_o and_o leave_v the_o other_o grosser_n part_n quiet_a and_o at_o rest_n on_o the_o other_o side_n if_o the_o hot_a and_o light_a part_n in_o a_o liquor_n be_v not_o many_o nor_o very_o active_a and_o the_o vessel_n be_v so_o full_a that_o the_o part_n have_v not_o free_a scope_n to_o remove_v and_o make_v way_n for_o one_o another_o there_o will_v not_o follow_v any_o great_a effect_n in_o this_o kind_n as_o we_o see_v in_o bottle_n beer_n or_o ale_n that_o work_v little_a unless_o there_o be_v some_o space_n leave_v empty_a in_o the_o bottle_n and_o again_o if_o the_o vessel_n be_v very_o much_o too_o big_a for_o the_o liquor_n in_o it_o the_o fiery_a part_n find_v room_n first_o to_o swell_v up_o the_o heavy_a one_o and_o at_o length_n to_o get_v out_o from_o they_o though_o the_o vessel_n be_v close_o stop_v for_o they_o have_v scope_n enough_o to_o float_v up_o and_o down_o between_o the_o surface_n of_o the_o liquor_n and_o the_o roof_n of_o the_o vessel_n and_o this_o be_v the_o reason_n that_o if_o a_o little_a beer_n or_o small_a wine_n be_v leave_v long_o in_o a_o great_a cask_n be_v it_o never_o so_o close_o stop_v it_o will_v in_o time_n grow_v dead_a and_o then_o if_o at_o the_o open_n of_o the_o bung_n after_o the_o cask_n have_v be_v long_o unstire_v you_o hold_v a_o candle_n close_o to_o it_o you_o shall_v at_o the_o instant_n see_v a_o flash_n of_o flame_n 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accident_n it_o shall_v happen_v that_o the_o atom_n or_o steam_n which_o be_v draw_v by_o the_o sun_n from_o the_o poleward_n to_o the_o equator_fw-la shall_v come_v strong_a from_o some_o part_n of_o the_o earth_n which_o be_v on_o the_o side_n hand_n of_o the_o pole_n then_o from_o the_o very_a pole_n itself_o in_o this_o case_n the_o stone_n will_v turn_v from_o the_o pole_n towards_o that_o side_n last_o whatever_o this_o stone_n will_v do_v towards_o the_o pole_n of_o the_o earth_n the_o very_a same_o a_o lesser_a stone_n of_o the_o same_o kind_n will_v do_v towards_o a_o great_a and_o if_o there_o be_v any_o kind_n of_o other_o substance_n that_o have_v participation_n of_o the_o nature_n of_o this_o stone_n such_o a_o substance_n will_v behave_v itself_o towards_o this_o stone_n in_o the_o same_o manner_n as_o such_o a_o stone_n behave_v itself_o towards_o the_o earth_n all_o the_o phenomens_n whereof_o may_v be_v the_o more_o plain_o observe_v if_o the_o stone_n be_v cut_v into_o the_o form_n of_o the_o earth_n and_o thus_o we_o have_v find_v a_o perfect_a delineation_n of_o the_o loadstone_n from_o its_o cause_n for_o there_o be_v no_o man_n so_o ignorant_a of_o the_o nature_n of_o a_o loadstone_n but_o he_o know_v that_o the_o property_n of_o it_o be_v to_o tend_v towards_o the_o north_n to_o vary_v sometime_o to_o join_v with_o another_o loadstone_n to_o draw_v iron_n to_o it_o and_o such_o like_a who_o cause_n you_o see_v deliver_v but_o to_o come_v to_o experimental_a proof_n and_o observation_n on_o the_o loadstone_n by_o which_o it_o will_v appear_v that_o these_o cause_n be_v well_o subject_n esteem_v and_o apply_v we_o must_v be_v behold_v to_o that_o admirable_a searcher_n of_o the_o nature_n of_o the_o lodestone_n dr._n gilbert_n by_o mean_n of_o
who_o and_o dr._n harvey_n our_o nation_n may_v claim_v even_o in_o this_o latter_a age_n as_o deserve_v a_o crown_n for_o solid_a philosophical_a learning_n as_o for_o many_o age_n together_o it_o have_v do_v former_o for_o acute_a and_o subtle_a speculation_n in_o divinity_n but_o before_o i_o fall_v to_o particular_n i_o think_v it_o worth_a warning_n my_o reader_n how_o this_o great_a man_n arrive_v to_o discover_v so_o much_o of_o magnetical_a philosophy_n that_o he_o likewise_o if_o he_o be_v desirous_a to_o search_v into_o nature_n may_v by_o imitation_n advance_v his_o thought_n and_o knowledge_n that_o way_n in_o short_a then_o all_o the_o knowledge_n he_o get_v of_o this_o subject_n be_v by_o form_v a_o little_a loadstone_n into_o the_o shape_n of_o the_o earth_n by_o which_o mean_v he_o compass_v a_o wonderful_a design_n which_o be_v to_o make_v the_o whole_a globe_n of_o the_o earth_n maniable_a for_o he_o find_v the_o property_n of_o the_o whole_a earth_n in_o that_o 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north_n or_o to_o the_o south_n cause_n very_o great_a variety_n in_o the_o same_o thing_n as_o hereafter_o we_o shall_v have_v occasion_n to_o touch_v in_o the_o bark_n and_o grain_n of_o tree_n and_o the_o like_a next_o we_o find_v by_o experience_n that_o this_o virtue_n of_o the_o loadstone_n be_v receive_v into_o other_o body_n that_o resemble_v its_o nature_n by_o heating_n and_o cooling_n for_o so_o it_o pass_v in_o iron_n bar_n which_o be_v thorough_o heat_v and_o then_o lay_v to_o cool_a north_n and_o south_n be_v thereby_o imbue_v with_o a_o magnetic_a virtue_n heat_n open_v their_o body_n and_o dispose_v they_o to_o suck_v in_o such_o atom_n as_o be_v convenient_a to_o their_o nature_n that_o flow_v to_o they_o while_o they_o be_v cool_v so_o that_o we_o can_v doubt_v but_o convenient_a matter_n ferment_v in_o its_o warm_a bed_n under_o the_o earth_n become_v a_o loadstone_n by_o the_o like_o suck_v in_o of_o affluent_a stream_n of_o a_o like_a complexion_n to_o the_o former_a and_o it_o fare_v in_o like_a manner_n with_o those_o fiery_a instrument_n as_o firefork_n tongue_n shovel_n and_o the_o like_a which_o stand_v constant_o upward_o and_o downward_o for_o they_o by_o be_v often_o heat_v and_o cool_v again_o gain_v a_o very_a strong_a verticity_n or_o turn_v to_o the_o pole_n and_o indeed_o they_o can_v stand_v upward_o and_o downward_o so_o little_a a_o while_n but_o they_o will_v in_o that_o short_a space_n gain_v a_o manifest_a verticity_n and_o change_v it_o at_o every_o turn_n now_o since_o the_o force_n and_o vigour_n of_o this_o verticity_n be_v in_o the_o end_n that_o stand_v downward_o it_o be_v evident_a that_o this_o effect_n proceed_v out_o of_o a_o influence_n receive_v from_o the_o earth_n and_o because_o in_o a_o loadstone_n make_v into_o a_o globe_n or_o consider_v so_o to_o the_o end_n you_o may_v reckon_v hemisphere_n in_o it_o as_o in_o the_o great_a earth_n either_o hemisphere_n give_v to_o a_o needle_n touch_v upon_o it_o not_o only_o the_o virtue_n of_o that_o hemisphere_n where_o it_o be_v touch_v but_o likewise_o the_o virtue_n of_o the_o contrary_a hemisphere_n we_o may_v bold_o conclude_v that_o the_o virtue_n which_o a_o loadstone_n be_v impregnate_v with_o in_o the_o womb_n or_o bed_n of_o the_o earth_n where_o it_o be_v form_v and_o grow_v proceed_v as_o well_o from_o the_o contrary_a hemisphere_n of_o the_o earth_n as_o from_o that_o wherein_o it_o lie_v in_o such_o sort_n as_o we_o have_v above_o describe_v and_o as_o we_o feel_v oftentimes_o in_o our_o own_o body_n that_o some_o cold_a we_o catch_v remain_v in_o we_o a_o long_a while_n after_o the_o take_v it_o and_o sometime_o seem_v even_o to_o change_v the_o nature_n of_o some_o part_n of_o our_o body_n into_o which_o it_o be_v chief_o enter_v and_o have_v take_v particular_a possession_n of_o so_o that_o whenever_o new_a atom_n of_o the_o like_a nature_n again_o range_v about_o in_o the_o circumstant_fw-la air_n that_o part_n so_o deep_o affect_v with_o the_o former_a one_o ofkin_n to_o these_o in_o a_o particular_a manner_n seem_v to_o rissent_fw-la and_o attract_v they_o to_o it_o and_o to_o have_v its_o guest_n within_o it_o as_o it_o be_v waken_v and_o rouse_v up_o by_o the_o stroke_n of_o the_o advenient_a one_o that_o knock_v at_o their_o door_n even_o so_o but_o much_o more_o strong_o by_o reason_n of_o the_o long_a time_n and_o less_o hindrance_n we_o may_v conceive_v that_o the_o two_o virtue_n or_o atom_n proceed_v from_o the_o two_o different_a hemisphere_n constitute_v a_o certain_a permanent_a and_o constant_a nature_n in_o the_o stone_n that_o imbibe_v they_o which_o then_o we_o call_v a_o loadstone_n and_o be_v exceed_o sensible_a as_o we_o shall_v hereafter_o declare_v of_o the_o advenience_n to_o it_o of_o new_a atom_n a_o like_a in_o nature_n and_o complexion_n to_o those_o it_o be_v impregnate_v with_o and_o this_o virtue_n consist_v in_o a_o kind_n of_o soft_a and_o tender_a substance_n than_o the_o rest_n of_o the_o stone_n become_v thereby_o subject_a to_o be_v consume_v by_o fire_n from_o whence_o we_o may_v gather_v the_o reason_n why_o a_o loadstone_n never_o recover_v its_o magnetic_a virtue_n after_o it_o have_v once_o lose_v it_o though_o iron_n do_v for_o the_o humidity_n of_o iron_n be_v inseparable_a from_o its_o substance_n but_o the_o humidity_n of_o a_o loadstone_n which_o make_v it_o capable_a of_o this_o effect_n may_v be_v quite_o consume_v by_o fire_n and_o so_o the_o stone_n may_v be_v leave_v too_o dry_a for_o ever_o be_v capable_a of_o imbibe_v any_o new_a influence_n from_o the_o earth_n unless_o it_o be_v by_o a_o kind_n of_o new_a make_v it_o in_o the_o next_o place_n we_o be_v to_o prove_v that_o the_o loadstone_n work_v in_o that_o manner_n we_o have_v show_v for_o which_o end_n let_v we_o consider_v stream_n how_o the_o atom_n that_o be_v draw_v from_o each_o pole_n and_o hemisphere_n of_o the_o earth_n to_o the_o equator_fw-la make_v up_o their_o course_n by_o a_o manuduction_n of_o one_o another_o the_o hindermost_a can_v choose_v but_o still_o follow_v on_o after_o the_o foremost_a and_o as_o it_o happen_v in_o filtration_n by_o a_o cotton_n cloth_n if_o some_o one_o part_n of_o the_o cotton_n have_v its_o disposition_n to_o the_o ascent_n of_o the_o water_n more_o perfect_a and_o ready_a than_o the_o other_o part_n have_v the_o water_n will_v assure_o ascend_v fast_o in_o that_o part_n then_o in_o any_o of_o the_o rest_n so_o if_o the_o atom_n find_v a_o great_a disposition_n for_o their_o passage_n in_o any_o one_o part_n of_o the_o medium_fw-la they_o range_v through_o then_o in_o another_o they_o will_v certain_o not_o fail_v of_o take_v that_o way_n in_o great_a abundance_n and_o with_o more_o vigour_n and_o strength_n than_o any_o other_o but_o it_o be_v evident_a that_o when_o they_o meet_v with_o such_o a_o stone_n as_o we_o have_v describe_v the_o help_n by_o which_o they_o advance_v in_o their_o journey_n be_v notable_o increase_v by_o the_o flood_n of_o atom_n they_o meet_v come_v out_o of_o that_o stone_n which_o be_v of_o the_o nature_n of_o their_o opposite_a pole_n they_o seize_v greedy_o upon_o they_o and_o thereby_o pluck_v themselves_o fast_a on_o like_o a_o ferry_n man_n that_o draw_v on_o his_o boat_n the_o swift_o the_o more_o vigorous_o he_o tâ—gs_v and_o pull_v at_o the_o rope_n that_o lie_v thwart_v the_o river_n for_o he_o to_o hale_v himself_o over_o by_o and_o therefore_o we_o can_v doubt_v but_o this_o flood_n of_o atom_n stream_v from_o the_o pole_n of_o the_o earth_n must_v needs_o pass_v through_o that_o stone_n with_o more_o speed_n and_o vigour_n than_o they_o can_v do_v any_o other_o way_n and_o as_o we_o see_v in_o the_o run_n of_o water_n if_o it_o meet_v with_o any_o low_a
render_v quite_o useless_a therefore_o it_o be_v evident_a that_o this_o virtue_n must_v be_v put_v in_o something_o else_o and_o not_o in_o the_o application_n of_o the_o magnetical_a virtue_n and_o to_o examine_v his_o reason_n particular_o it_o may_v very_o well_o fall_v out_o that_o whatever_o the_o cause_n be_v the_o point_n of_o a_o needle_n may_v be_v too_o little_a to_o make_v a_o exact_a experience_n in_o and_o therefore_o a_o new_a doctrine_n ought_v not_o light_o be_v ground_v upon_o what_o appear_v in_o the_o application_n of_o that_o and_o likewise_o the_o greatness_n of_o the_o surface_v of_o the_o two_o iron_n may_v be_v a_o condition_n helpful_a to_o the_o cause_n whatever_o it_o be_v for_o great_a and_o lesser_a be_v the_o common_a condition_n of_o all_o body_n and_o therefore_o avail_v all_o kind_n of_o corporeal_a cause_n so_o that_o no_o one_o cause_n can_v be_v affirm_v more_o than_o another_o mere_o out_o of_o this_o that_o great_a do_v more_o and_o little_o do_v less_o to_o come_v then_o to_o our_o own_o solution_n i_o have_v consider_v how_o fire_n question_n have_v in_o a_o manner_n the_o same_o effect_n in_o iron_n as_o the_o virtue_n of_o the_o loadstone_n have_v by_o mean_n of_o the_o cap_n for_o i_o find_v that_o fire_n come_v through_o iron_n red-glowing_a hot_a will_v burn_v more_o strong_o then_o if_o it_o shall_v come_v immediate_o through_o the_o air_n also_o we_o see_v that_o in_o pitcole_n the_o fire_n be_v strong_a than_o in_o charcoal_n and_o nevertheless_o the_o fire_n will_v heat_v further_o if_o it_o come_v immediate_o from_o the_o source_n of_o it_o then_o if_o it_o come_v through_o a_o red_a iron_n that_o burn_v more_o violent_o where_o it_o touch_v and_o likewise_o charcoal_n will_v heat_v further_o than_o pitcoal_n that_o near_a hand_n burn_v more_o fierce_o in_o the_o same_o manner_n the_o loadstone_n will_v draw_v further_o without_o a_o cap_n then_o with_o one_o but_o with_o a_o cap_n it_o stick_v fast_a than_o without_o one_o whence_o i_o see_v that_o it_o be_v not_o pure_o the_o virtue_n of_o the_o loadstone_n but_o the_o virtue_n of_o it_o be_v in_o iron_n which_o cause_v this_o effect_n now_o this_o modification_n may_v proceed_v either_o from_o the_o multitude_n of_o part_n which_o come_v out_o of_o the_o loadstone_n and_o be_v as_o it_o be_v stop_v in_o the_o iron_n &_o so_o the_o sphere_n of_o their_o activity_n become_v short_a but_o strong_a or_o else_o from_o some_o quality_n of_o the_o iron_n join_v to_o the_o influence_n of_o the_o loadstone_n the_o first_o seem_v not_o to_o give_v a_o good_a account_n of_o the_o effect_n for_o why_o shall_v a_o little_a paper_n take_v it_o away_o see_v we_o be_v sure_a that_o it_o stop_v not_o the_o passage_n of_o the_o loadstone_n influence_n again_o the_o influence_n of_o the_o loadstone_n seem_v in_o its_o motion_n to_o be_v of_o the_o nature_n of_o light_n which_o go_v in_o a_o insensible_a time_n as_o far_o as_o it_o can_v reach_v and_o therefore_o be_v it_o multiply_v in_o the_o iron_n it_o will_v reach_v further_o than_o without_o it_o and_o from_o it_o the_o virtue_n of_o the_o loadstone_n will_v begin_v a_o new_a sphere_n of_o activity_n therefore_o we_o more_o willing_o cleave_v to_o the_o latter_a part_n of_o our_o determination_n and_o thereupon_o inquire_v what_o quality_n there_o be_v in_o iron_n whence_o this_o effect_n may_v follow_v we_o find_v that_o it_o be_v distinguish_v from_o a_o loadstone_n as_o a_o metal_n be_v from_o a_o stone_n now_o we_o know_v that_o metal_n have_v general_o more_o humidity_n than_o stone_n and_o we_o have_v discourse_v above_o that_o humidity_n be_v the_o cause_n of_o stick_v especial_o when_o it_o be_v little_a and_o dense_a these_o quality_n must_v needs_o be_v in_o iron_n which_o of_o all_o metal_n be_v the_o most_o terrestrial_a and_o such_o humidity_n as_o be_v able_a to_o stick_v to_o the_o influence_n of_o the_o loadstone_n as_o it_o pass_v through_o the_o body_n of_o 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which_o they_o issue_v constrain_v they_o to_o be_v where_o nevertheless_o the_o dryness_n of_o their_o part_n keep_v they_o asunder_o as_o that_o one_o leaf_n do_v not_o incorporate_v itself_o with_o another_o but_o so_o soon_o as_o they_o feel_v the_o heat_n of_o the_o sun_n after_o they_o be_v break_v out_o into_o liberty_n their_o tender_a branch_n by_o little_a and_o little_o grow_v more_o straight_o the_o concave_a part_n of_o they_o draw_v more_o towards_o the_o sun_n because_o he_o extract_v and_o suck_v their_o moisture_n from_o their_o hinder_a part_n into_o their_o former_a that_o be_v more_o expose_v to_o his_o beam_n and_o thereby_o the_o hinder_a part_n be_v contract_v and_o grow_v short_a and_o those_o before_o grow_v long_o which_o if_o it_o be_v in_o excess_n make_v the_o leaf_n become_v crooked_a the_o contrary_a way_n as_o we_o see_v in_o divers_a flower_n and_o in_o sundry_a leaf_n during_o the_o summer_n heat_n witness_n the_o ivy_n rose_n full_o blow_v tulip_n 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at_o pleasure_n whereof_o you_o may_v see_v example_n enough_o in_o campanella_n and_o every_o curious_a gardener_n can_v furnish_v you_o with_o store_n out_o of_o these_o and_o such_o like_a principle_n a_o man_n that_o will_v make_v animal_n it_o his_o study_n with_o less_o trouble_n of_o tediousness_n than_o that_o patient_a contemplator_n of_o one_o of_o nature_n little_a work_n the_o bee_n who_o we_o mention_v a_o while_n ago_o may_v without_o all_o doubt_n trace_v the_o cause_n in_o the_o grow_n of_o a_o embryon_n till_o he_o discover_v the_o reason_n of_o every_o bone_n figure_n of_o every_o notable_a hole_n or_o passage_n in_o they_o of_o the_o ligament_n by_o which_o they_o be_v tie_v together_o of_o the_o membrane_n that_o cover_v they_o and_o of_o all_o the_o other_o part_n of_o the_o body_n how_o out_o of_o a_o first_o mass_n that_o be_v soft_a and_o have_v no_o such_o part_n distinguishable_a in_o it_o every_o one_o of_o they_o come_v to_o be_v form_v by_o contract_v 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out_o into_o a_o ecstasy_n of_o admiration_n and_o hymn_n of_o praise_n as_o great_a galen_n do_v upon_o the_o like_a occasion_n when_o we_o reverent_o consider_v the_o infinite_a wisdom_n and_o deep_a far-looking_a providence_n of_o the_o all-seeing_a creator_n and_o orderer_n of_o the_o world_n in_o so_o punctual_o adopt_v such_o a_o multitude_n and_o swarm_n of_o cause_n to_o produce_v by_o so_o long_a a_o progress_n so_o wonderful_a a_o effect_n in_o the_o whole_a course_n of_o which_o if_o any_o one_o the_o very_a lest_o of_o they_o all_o go_v never_o so_o little_a awry_o the_o whole_a fabric_n will_v be_v discompose_v and_o change_v from_o the_o nature_n it_o be_v design_v to_o out_o of_o our_o short_a survey_n of_o which_o answerable_a to_o our_o weak_a talent_n and_o slender_a experience_n i_o persuade_v mv_o self_n it_o appear_v formatrix_fw-la evident_a enough_o that_o to_o effect_v this_o work_n of_o generation_n there_o need_v not_o be_v suppose_v a_o form_v virtue_n or_o 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concern_v light_n which_o he_o promise_v i_o he_o will_v short_o publish_v in_o a_o work_n that_o he_o have_v already_o cast_v and_o almost_o finish_v upon_o that_o subject_n and_o in_o it_o i_o doubt_v not_o but_o he_o will_v give_v entire_a satisfaction_n to_o all_o the_o doubt_n and_o problem_n that_o may_v occur_v in_o this_o subject_n whereas_o my_o little_a exercise_n former_o in_o make_v experiment_n of_o this_o kind_n and_o my_o less_o conveniency_n of_o attempt_v any_o now_o make_v i_o content_v myself_o with_o thus_o spine_v a_o course_n thread_n from_o wool_n card_v i_o by_o other_o that_o may_v run_v through_o the_o whole_a doctrine_n of_o colour_n who_o cause_n have_v hitherto_o be_v so_o much_o admire_v and_o that_o it_o will_v do_v so_o i_o be_o strong_o persuade_v both_o because_o if_o i_o look_v upon_o the_o cause_n which_o i_o have_v assign_v à _fw-la prirori_fw-la i_o think_v they_o appear_v very_o agreeable_a to_o nature_n and_o to_o reason_n and_o if_o i_o apply_v they_o to_o the_o several_a phenomens_n which_o mr._n hall_n show_v i_o and_o to_o as_o many_o other_o as_o i_o have_v otherwise_o meet_v with_o i_o find_v they_o agree_v exact_o with_o they_o and_o render_v a_o full_a account_n of_o they_o and_o thus_o you_o have_v the_o whole_a nature_n of_o luminous_a colour_n resolve_v into_o the_o mixion_n of_o light_n and_o darkness_n by_o the_o due_a order_n of_o which_o who_o have_v skill_n therein_o may_v produce_v any_o middle_a colour_n he_o please_v as_o i_o myself_o have_v see_v the_o experience_n of_o infinite_a change_n in_o such_o sort_n make_v so_o that_o it_o seem_v to_o i_o nothing_o can_v be_v more_o manifest_a than_o that_o luminous_a colour_n be_v generate_v in_o the_o way_n here_o deliver_v of_o which_o how_o that_o gentle_a and_o obedient_a philosophy_n of_o quality_n ready_o obedient_a to_o what_o hard_a task_n soever_o you_o assign_v it_o will_v render_v a_o rational_a account_n and_o what_o discreet_a virtue_n it_o will_v 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effect_n but_o he_o have_v detern_v the_o nature_n of_o light_a to_o consist_v in_o motion_n and_o proceed_v consequent_o conclude_v colour_n to_o be_v but_o certain_a kind_n of_o motion_n by_o which_o i_o fear_v it_o be_v impossible_a that_o any_o good_a account_n shall_v be_v give_v of_o the_o experience_n we_o see_v but_o what_o we_o have_v already_o say_v in_o that_o point_n i_o conceive_v be_v sufficient_a to_o give_v the_o reader_n satisfaction_n therein_o and_o to_o secure_v he_o that_o the_o generation_n of_o the_o colour_n in_o the_o rainbow_n as_o well_o as_o all_o other_o colour_n be_v reduce_v to_o the_o mingle_n of_o light_n and_o darkness_n which_o be_v our_o principal_a intent_n to_o prove_v add_v thereto_o by_o way_n of_o advertisement_n for_o other_o who_o leisure_n may_v permit_v they_o to_o make_v use_n thereof_o that_o who_o shall_v balance_v the_o proportion_n of_o luminous_a colour_n may_v peradventure_o make_v himself_o a_o step_n to_o judge_n of_o the_o nature_n of_o those_o bode_v which_o real_o and_o constant_o wear_v like_o dye_n for_o the_o figure_n of_o the_o least_o part_n of_o such_o body_n joint_o with_o the_o connexion_n or_o mingle_v of_o they_o with_o pore_n must_v of_o necessity_n be_v that_o which_o make_v they_o reflect_v light_n to_o our_o eye_n in_o such_o proportion_n as_o the_o luminous_a colour_n of_o their_o tincture_n and_o semblance_n do_v for_o two_o thing_n be_v to_o be_v consider_v in_o body_n in_o order_n to_o reflect_v of_o light_n either_o the_o extancy_n and_o cavity_n of_o they_o or_o their_o hardness_n and_o softness_n as_o for_o the_o first_o the_o proportion_n of_o light_n mingle_v with_o darkness_n will_v be_v vary_v according_a as_o the_o extancy_n or_o the_o cavity_n exceed_v and_o as_o each_o of_o they_o be_v great_a or_o small_a since_o cavity_n have_v the_o nature_n of_o darkness_n in_o respect_n
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quality_n of_o the_o body_n in_o which_o the_o real_a colour_n appear_v it_o may_v easy_o be_v determine_v from_o which_o of_o these_o it_o proceed_v and_o then_o by_o the_o colour_n you_o may_v judge_v of_o the_o composition_n and_o mixture_n of_o the_o rare_a and_o dense_a part_n which_o by_o reflect_v light_n beget_v it_o in_o fine_a out_o of_o all_o we_o have_v hitherto_o say_v in_o this_o chapter_n we_o may_v conclude_v the_o primary_n intent_n of_o our_o so_o long_a discourse_n which_o density_n be_v that_o the_o sense_n of_o live_a creature_n and_o the_o sensible_a quality_n in_o body_n be_v make_v by_o the_o mixtion_n of_o rarity_n and_o density_n as_o well_o as_o the_o natural_a quality_n we_o speak_v of_o in_o their_o place_n for_o it_o can_v be_v deny_v but_o that_o heat_n and_o cold_a and_o the_o other_o couple_n or_o pair_n which_o beat_v upon_o our_o touch_n be_v the_o very_a same_o as_o we_o see_v in_o other_o body_n the_o quality_n which_o move_v our_o taste_n and_o 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we_o can_v have_v no_o difficulty_n about_o it_o see_v then_o that_o all_o the_o quality_n we_o can_v discover_v in_o the_o organ_n of_o our_o sense_n be_v make_v by_o the_o various_a mingling_n of_o rarity_n with_o density_n how_o can_v we_o doubt_v but_o that_o the_o active_a power_n over_o these_o patient_n must_v be_v of_o the_o same_o nature_n and_o kind_n again_o see_v that_o example_n above_o bring_v convince_v that_o the_o object_n of_o one_o sense_n may_v be_v know_v by_o another_o who_o can_v doubt_v of_o a_o community_n among_o they_o if_o not_o of_o degree_n at_o least_o of_o the_o whole_a kind_n as_o we_o see_v that_o the_o touch_n be_v the_o groundwork_n of_o all_o the_o rest_n and_o consequent_o that_o be_v evident_o corporeal_a and_o consist_v in_o a_o temper_n of_o rarity_n &_o density_n why_o shall_v we_o make_v difficulty_n in_o allow_v the_o like_a of_o the_o rest_n beside_o let_v we_o compose_v of_o rarity_n and_o density_n such_o temper_n as_o we_o find_v in_o 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his_o motion_n now_o in_o resolution_n there_o be_v three_o active_a part_n proceed_v from_o a_o body_n which_o have_v power_n to_o move_v we_o the_o fiery_a part_n which_o you_o see_v work_n upon_o your_o eye_n by_o the_o virtue_n of_o light_n the_o airy_a part_n which_o we_o know_v move_v our_o nostril_n by_o be_v suck_v in_o with_o the_o air_n and_o last_o the_o salt_n which_o dissolve_v in_o water_n and_o so_o move_v our_o watery_a sense_n which_o be_v our_o taste_n and_o these_o be_v all_o the_o active_a part_n that_o show_v themselves_o in_o the_o resolution_n of_o a_o body_n how_o can_v we_o imagine_v there_o shall_v be_v any_o more_o sense_n to_o be_v wrought_v upon_o for_o what_o the_o stable_a body_n show_v of_o itself_o will_v be_v reduce_v to_o the_o touch_n what_o as_o it_o move_v to_o hear_v what_o the_o resolution_n of_o it_o according_a to_o the_o nature_n of_o the_o resolve_a atom_n that_o fly_v abroad_o will_v concern_v the_o other_o three_o sense_n as_o we_o have_v declare_v and_o more_o way_n of_o work_v or_o of_o active_a part_n we_o can_v conceive_v to_o spring_v out_o of_o the_o nature_n of_o a_o body_n final_o if_o we_o cast_v our_o eye_n upon_o the_o intention_n of_o nature_n to_o what_o purpose_n be_v our_o sense_n but_o to_o bring_v we_o into_o knowledge_n of_o the_o nature_n of_o the_o substance_n we_o converse_v withal_o sure_o to_o effect_v this_o there_o can_v be_v invent_v a_o better_a or_o more_o reasonable_a expedient_a then_o to_o bring_v to_o our_o judgement_n seat_v the_o likeness_n or_o extract_n of_o those_o substance_n in_o so_o delicate_a a_o model_n that_o they_o may_v not_o be_v offensive_a or_o cumbersome_a like_o so_o many_o pattern_n present_v to_o we_o to_o know_v by_o they_o what_o the_o whole_a piece_n be_v for_o all_o similitude_n be_v a_o communication_n between_o two_o thing_n in_o that_o quality_n wherein_o their_o likeness_n consist_v and_o therefore_o we_o can_v doubt_v but_o that_o nature_n have_v give_v we_o by_o the_o mean_n when_o have_v explicate_v a_o essay_n to_o all_o thing_n in_o the_o world_n that_o fall_n under_o our_o commerce_n whereby_o we_o judge_v whether_o they_o be_v profitable_a or_o nocive_a to_o we_o and_o yet_o in_o so_o delicate_a and_o subtle_a a_o quantity_n as_o may_v in_o no_o way_n be_v offensive_a to_o we_o while_o we_o take_v our_o measure_n to_o attract_v what_o be_v good_a and_o avoid_v what_o be_v noxious_a chap._n xxxii_o of_o sensation_n or_o the_o motion_n whereby_o sense_n be_v proper_o exercise_v out_o of_o the_o consideration_n which_o we_o have_v deliver_v in_o these_o last_o chapter_n the_o reader_n may_v gather_v the_o unreasonableness_n sensation_n of_o vulgar_a philosopher_n who_o to_o explicate_v life_n and_o sense_n be_v
that_o the_o effect_n which_o we_o call_v pain_n be_v nothing_o else_o but_o a_o compression_n for_o although_o this_o solution_n of_o continuity_n may_v seem_v to_o be_v a_o dilatation_n yet_o in_o truth_n it_o be_v a_o compression_n in_o the_o part_n where_o the_o evil_n be_v which_o happen_v to_o it_o in_o the_o same_o manner_n as_o we_o show_v when_o we_o speak_v of_o the_o motion_n of_o restitution_n it_o do_v to_o stiff_a body_n that_o by_o violence_n be_v compress_v and_o draw_v into_o a_o less_o capacious_a figure_n than_o their_o nature_n affect_v and_o return_v into_o their_o own_o state_n as_o soon_o as_o the_o master_v violence_n leave_v they_o at_o liberty_n pleasure_n therefore_o must_v be_v contrary_a to_o this_o and_o consist_v in_o a_o moderate_a dilatation_n for_o a_o immoderate_a one_o will_v cause_v a_o compression_n in_o some_o adherent_a part_n and_o there_o will_v become_v pain_n and_o conformable_a to_o this_o we_o experience_n that_o general_o they_o be_v hard_a thing_n which_o breed_v pain_n to_o we_o and_o those_o which_o breed_v pleasure_n be_v oily_a and_o soft_a as_o meat_n and_o odour_n which_o be_v sweet_a to_o the_o taste_n and_o smell_v and_o soft_a substance_n which_o be_v grateful_a to_o the_o touch_n the_o excess_n of_o all_o which_o prove_v offensive_a and_o painful_a so_o that_o from_o the_o extremity_n of_o pleasure_n one_o enter_v present_o upon_o the_o confine_n of_o pain_n now_o then_o let_v we_o consider_v how_o the_o little_a similitude_n of_o body_n which_o from_o without_o come_v into_o the_o fantasy_n must_v of_o necessity_n work_v there_o according_a to_o their_o little_a power_n effect_n proportionable_a to_o what_o they_o wrought_v first_o in_o the_o outward_a sense_n from_o whence_o they_o be_v convey_v to_o the_o brain_n for_o the_o sense_n that_o be_v the_o neru_n and_o the_o septum_fw-la lucidum_fw-la have_v both_o of_o they_o their_o origin_n from_o the_o very_a substance_n of_o the_o brain_n and_o differ_v only_o in_o degree_n of_o purity_n and_o refinement_n the_o same_o object_n must_v needs_o work_v like_o effect_n in_o both_o compress_v or_o dilate_v they_o proportionaby_n to_o one_o another_o which_o compression_n or_o dilatation_n be_v not_o pain_n or_o pleasure_n as_o it_o be_v in_o the_o outward_a sense_n but_o as_o it_o be_v report_v to_o the_o heart_n and_o that_o be_v the_o seat_n of_o all_o pain_n or_o pleasure_n wrought_v in_o other_o part_n and_o that_o as_o it_o be_v die_v they_o into_o those_o quality_n be_v not_o capable_a of_o feeling_n either_o itself_o so_o that_o the_o stroke_n of_o any_o little_a similitude_n upon_o the_o fantasy_n make_v only_a compression_n or_o dilatation_n there_o not_o pain_n or_o pleasure_n now_o these_o body_n or_o similitude_n if_o they_o be_v reverberate_v from_o the_o fantasy_n or_o septum_fw-la lucidum_fw-la upon_o the_o little_a root_n of_o the_o neru_n passion_n of_o the_o fix_a couple_n which_o go_v to_o the_o heart_n must_v needs_o work_v there_o a_o proportionable_a impression_n to_o what_o they_o wrought_v upon_o the_o fancy_n either_o compress_v or_o dilate_v it_o and_o the_o heart_n be_v extreme_o passive_a by_o reason_n of_o its_o exceed_a tenderness_n and_o heat_n can_v choose_v but_o change_v its_o motion_n at_o least_o in_o part_n if_o not_o in_o whole_a and_o this_o with_o relation_n to_o two_o cause_n one_o the_o disposition_n of_o the_o heart_n itself_o the_o other_o the_o vehemency_n of_o the_o stroke_n this_o change_n of_o motion_n and_o different_a beat_n of_o the_o heat_n be_v that_o which_o proper_o be_v call_v passion_n and_o be_v ever_o accompany_v with_o pleasure_n or_o with_o grief_n according_a to_o the_o nature_n of_o the_o impression_n that_o either_o contract_n or_o dilate_v the_o heart_n and_o the_o spirit_n about_o it_o and_o be_v discover_v by_o the_o beat_n of_o the_o artery_n and_o of_o the_o pulse_n conformable_a whereunto_o physician_n tell_v we_o that_o every_o passion_n have_v a_o distinct_a pulse_n the_o pulse_n be_v divide_v in_o common_a by_o abundance_n or_o by_o passion_n want_n of_o spirit_n yet_o it_o both_o kind_n they_o may_v have_v common_a disference_n for_o in_o abundance_n the_o pulse_n may_v be_v quick_a or_o slow_a regular_a or_o irregular_a equal_a or_o unequal_a and_o the_o like_a may_v happen_v in_o defect_n of_o spirit_n according_a to_o the_o motion_n of_o the_o heart_n which_o be_v their_o cause_n again_o the_o object_n by_o be_v present_a or_o further_o off_o make_v the_o stroke_n great_a or_o lesser_a and_o according_o vary_v the_o motion_n of_o the_o heart_n let_v we_o then_o call_v to_o mind_n how_o we_o have_v former_o declare_v that_o life_n consist_v in_o heat_n and_o humidity_n and_o that_o these_o two_o join_v together_o make_v a_o thing_n great_a and_o we_o may_v conclude_v that_o of_o necessity_n the_o motion_n which_o be_v most_o lively_o must_v have_v a_o great_a full_a and_o large_a stroke_n like_o the_o even_o roll_a wave_n of_o a_o wide_a and_o smooth_a sea_n and_o not_o too_o quick_a or_o smart_a like_o the_o breach_n of_o a_o narrow_a fretum_n agitate_a by_o tempestuous_a wind_n from_o this_o other_o motion_n may_v vary_v either_o by_o excess_n or_o by_o deficiency_n the_o first_o make_v the_o stroke_n become_v smart_n violent_a and_o thick_a the_o other_o slacken_v it_o and_o make_v it_o grow_v little_a slow_a weak_a and_o thin_a or_o seldom_o and_o if_o we_o look_v into_o the_o motion_n of_o our_o heart_n we_o shall_v see_v these_o three_o difference_n of_o they_o follow_v three_o several_a chief_a passion_n the_o first_o follow_v the_o passion_n of_o joy_n the_o second_o the_o passion_n of_o anger_n and_o the_o three_o the_o passion_n of_o grief_n nor_o need_v we_o look_v any_o further_a into_o the_o cause_n of_o the_o several_a motion_n for_o we_o see_v that_o joy_n and_o grief_n follow_v the_o stroke_n of_o sense_n the_o one_o of_o they_o must_v consist_v in_o a_o oily_a dilatation_n that_o be_v the_o spirit_n about_o the_o heart_n must_v be_v dilate_v by_o a_o gentle_a large_a great_a and_o sweet_a motion_n in_o a_o moderation_n between_o velocity_n and_o slowness_n the_o other_o contrariwise_o follow_v the_o stroke_n of_o sense_n in_o pain_n as_o the_o first_o do_v in_o pleasure_n must_v contract_v the_o spirit_n and_o consequent_o make_v their_o motion_n or_o stroke_n become_v little_a and_o deficient_a from_o all_o the_o property_n we_o have_v above_o set_v down_o as_o for_o anger_n the_o motion_n follow_v that_o passion_n be_v when_o the_o abundance_n of_o spirit_n in_o the_o heart_n be_v a_o little_a check_v by_o the_o contrary_a stroke_n of_o sense_n but_o present_o overcome_v that_o opposition_n and_o then_o as_o we_o see_v a_o hinder_v water_n or_o a_o man_n that_o sudden_o or_o forcible_o break_v through_o what_o withstand_v their_o motion_n go_v on_o with_o a_o great_a violence_n than_o they_o do_v and_o as_o it_o be_v precipitately_a so_o the_o heart_n have_v overcome_v the_o contraction_n which_o the_o sense_n make_v in_o it_o dilate_v itself_o with_o a_o fury_n and_o make_v its_o motion_n smart_n and_o vehement_a whence_o also_o it_o follow_v that_o the_o spirit_n grow_v hot_a than_o they_o be_v and_o according_o it_o be_v often_o see_v that_o in_o the_o scold_n of_o a_o woman_n and_o in_o the_o irritation_n of_o a_o dog_n if_o ever_o now_o and_o then_o one_o thwart_o they_o and_o interpose_v a_o little_a opposition_n their_o fury_n will_v be_v so_o sharpen_v and_o heighten_v that_o the_o woman_n will_v be_v transport_v beyond_o all_o limit_n of_o reason_n and_o the_o dog_n will_v be_v make_v mad_a with_o nothing_o else_o do_v to_o he_o but_o anger_v he_o at_o convenient_a time_n and_o some_o man_n likewise_o have_v by_o slight_a opposition_n iterate_v speedy_o upon_o they_o before_o their_o spirit_n can_v relent_v their_o vehement_a motion_n and_o therefore_o must_v still_o increase_v it_o be_v anger_v into_o favour_n this_o passion_n of_o anger_n seem_v almost_o to_o be_v solitary_a on_o the_o side_n of_o excess_n beyond_o joy_n which_o be_v as_o it_o be_v the_o standard_n and_o perfection_n of_o all_o passion_n as_o light_n or_o whiteness_n be_v of_o all_o colour_n but_o on_o the_o other_o side_n of_o deficiency_n there_o be_v several_a middle_a passion_n which_o participate_v more_o or_o less_o of_o joy_n and_o grief_n as_o particular_o those_o two_o famous_a one_o which_o govern_v man_n life_n hope_n and_o fear_n concern_v which_o physician_n tell_v we_o that_o the_o pulse_n or_o beat_n of_o fear_n be_v quick_a hard_a and_o unequal_a to_o which_o i_o conceive_v we_o may_v safe_o add_v that_o it_o must_v also_o be_v small_a and_o feeble_a the_o perfection_n of_o joy_n decrease_v in_o it_o on_o one_o side_n to_o wit_n from_o greatness_n and_o largeness_n but_o not_o entire_o so_o that_o a_o kind_n of_o quickness_n supply_v
in_o part_n the_o other_o defect_n hope_v on_o the_o other_o side_n be_v in_o such_o sort_n defective_a from_o joy_n that_o nevertheless_o it_o have_v a_o kind_n of_o constancy_n and_o moderate_a quantity_n and_o regularity_n in_o its_o motion_n and_o therefore_o be_v account_v to_o be_v the_o least_o hurtful_a of_o all_o the_o passion_n and_o that_o which_o more_o prolong_v man_n life_n and_o thus_o you_o see_v how_o those_o motion_n which_o we_o call_v passion_n be_v engender_v in_o the_o heart_n and_o what_o they_o be_v let_v we_o then_o in_o the_o next_o place_n consider_v what_o will_v follow_v in_o the_o passion_n rest_n of_o the_o body_n out_o of_o these_o variety_n of_o passion_n once_o raise_v in_o the_o heart_n and_o send_v into_o the_o brain_n it_o be_v evident_a that_o according_a to_o the_o nature_n and_o quality_n of_o these_o motion_n the_o heart_n must_v needs_o in_o every_o one_o of_o they_o void_a out_o of_o itself_o into_o the_o artery_n a_o great_a or_o lesser_a quantity_n of_o blood_n and_o that_o in_o divers_a fashion_n and_o the_o artery_n which_o lie_v fit_a to_o receive_v these_o sudden_a egestion_n of_o blood_n be_v those_o which_o go_v into_o the_o brain_n which_o course_n be_v direct_o upward_o we_o can_v doubt_v but_o that_o it_o be_v the_o hot_a and_o subtle_a part_n of_o the_o blood_n and_o the_o full_a of_o spirit_n that_o fly_v that_o way_n these_o spirit_n then_o run_v a_o long_a and_o perplex_a journey_n up_o and_o down_o in_o the_o brain_n by_o various_a meander_n and_o anfractuosity_n be_v there_o mingle_v with_o the_o humid_a steam_n of_o the_o brain_n itself_o and_o therewith_o cool_v and_o come_v at_o last_o to_o smoke_v at_o liberty_n in_o the_o hollow_a ventricle_n of_o the_o brain_n by_o reek_v out_o of_o the_o little_a arterial_a branch_n that_o weave_v the_o plexus_fw-la choroide_v or_o net_n we_o speak_v of_o erewhile_o and_o they_o be_v now_o grow_v heavy_a fall_v by_o their_o natural_a course_n into_o that_o part_n 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and_o not_o be_v able_a to_o supply_v their_o increase_a need_n which_o they_o grow_v every_o day_n strong_a to_o provide_v for_o of_o themselves_o the_o strait_a commerce_n begin_v to_o die_v on_o both_o side_n and_o by_o these_o degree_n the_o dam_n leave_v her_o young_a one_o to_o their_o own_o conduct_n and_o thus_o you_o see_v how_o this_o long_a series_n of_o action_n may_v have_v orderly_a cause_n make_v and_o chain_v together_o by_o he_o that_o know_v what_o be_v fit_v for_o the_o work_n he_o go_v about_o of_o which_o though_o it_o be_v likely_a i_o have_v miss_v the_o right_a one_o as_o it_o can_v choose_v but_o happen_v in_o all_o disquisition_n where_o one_o be_v the_o first_o to_o break_v the_o ice_n and_o so_o slender_o inform_v of_o the_o particular_a circumstance_n of_o the_o matter_n in_o question_n as_o i_o profess_v to_o be_v in_o this_o yet_o i_o concieve_v this_o discourse_n plain_o show_v that_o he_o who_o have_v do_v more_o than_o we_o be_v able_a to_o 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how_o to_o go_v about_o to_o seek_v any_o experience_n of_o it_o but_o what_o reason_n may_v do_v in_o this_o particular_a we_o shall_v hereafter_o passion_n inquire_v and_o end_v this_o chapter_n with_o collect_v out_o of_o what_o be_v say_v how_o it_o fare_v with_o we_o when_o we_o do_v any_o thing_n against_o reason_n or_o against_o our_o own_o knowledge_n if_o this_o happen_v by_o surprise_n it_o be_v plain_a that_o the_o watch_n of_o reason_n be_v not_o so_o strong_a as_o it_o shall_v have_v be_v to_o prevent_v the_o admittance_n or_o continuance_n of_o those_o thought_n which_o work_v that_o transgression_n again_o if_o it_o be_v occasion_v by_o passion_n it_o be_v evident_a that_o in_o this_o case_n the_o multitude_n and_o violence_n of_o those_o spirit_n which_o passion_n send_v boil_v up_o to_o the_o fancy_n be_v so_o great_a as_o the_o other_o spirit_n which_o be_v in_o the_o jurisdiction_n and_o government_n of_o reason_n be_v not_o able_a for_o the_o present_a to_o 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oore_n in_o which_o she_o suffer_v by_o reason_n of_o that_o oore_a she_o present_o become_v impassable_a as_o be_v pure_o of_o her_o own_o nature_n a_o fix_a substance_n that_o be_v a_o pure_a be_v both_o which_o state_n of_o the_o soul_n may_v in_o some_o sort_n be_v adumbrate_v by_o what_o we_o see_v pass_n in_o the_o coppelling_a of_o a_o fix_a metal_n for_o as_o long_o as_o any_o lead_n or_o dross_n or_o allay_v remain_v with_o it_o it_o continue_v melt_v flow_a and_o in_o motion_n under_o the_o muffle_v but_o as_o soon_o as_o they_o be_v part_v from_o it_o and_o that_o it_o be_v become_v pure_a without_o any_o mixture_n and_o single_o itself_o it_o contract_v itself_o to_o a_o narrow_a room_n and_o at_o that_o very_a instant_n cease_v from_o all_o motion_n grow_v hard_a permanent_a resistent_fw-la to_o all_o operation_n of_o fire_n and_o suffer_v no_o change_n or_o diminution_n in_o its_o substance_n by_o any_o outward_a violence_n we_o can_v use_v to_o it_o chap._n xi_o show_v what_o effect_n the_o divers_a manner_n of_o live_v in_o this_o world_n cause_n in_o a_o soul_n after_o she_o be_v separate_v from_o her_o body_n one_o thing_n may_v peradventure_o seem_v of_o hard_a digestion_n in_o knowledge_n our_o past_a discourse_n and_o it_o be_v that_o out_o of_o the_o ground_n we_o have_v lay_v it_o seem_v to_o follow_v that_o all_o soul_n will_v have_v a_o equality_n since_o we_o have_v conclude_v that_o the_o great_a shall_v see_v or_o know_v no_o more_o than_o the_o least_o and_o indeed_o there_o appear_v no_o cause_n why_o this_o great_a and_o noble_a creature_n shall_v lie_v imprison_v in_o the_o obscure_a dungeon_n of_o noisome_a flesh_n if_o in_o the_o first_o instant_n in_o which_o it_o have_v its_o first_o knowledge_n it_o have_v then_o already_o gain_v whatever_o it_o be_v capable_a of_o gain_v in_o the_o whole_a progress_n of_o a_o long_a life_n afterward_o true_o the_o platonic_a philosopher_n who_o be_v persuade_v that_o a_o humane_a soul_n do_v not_o profit_n in_o this_o life_n nor_o acquire_v any_o knowledge_n here_o as_o be_v of_o herself_o complete_o perfect_a and_o that_o all_o our_o discourse_n be_v but_o her_o remembring_n of_o what_o she_o have_v forget_v will_v find_v themselves_o ill_o bestead_v to_o render_v a_o philosophical_a and_o sufficient_a cause_n of_o she_o be_v lock_v into_o a_o body_n for_o to_o put_v forgetfulness_n in_o a_o pure_a spirit_n so_o palpable_a a_o effect_n of_o corporeity_n and_o so_o great_a a_o corruption_n in_o respect_n of_o a_o creature_n who_o nature_n be_v to_o know_v of_o itself_o be_v a_o unsufferable_a error_n beside_o when_o they_o tell_v we_o she_o can_v be_v change_v because_o all_o change_n will_v prejudice_v the_o spiritual_a nature_n which_o they_o attribute_v to_o she_o but_o that_o well_o she_o may_v be_v warn_v and_o excite_v by_o be_v in_o a_o body_n they_o mere_o trifle_v for_o either_o there_o be_v some_o true_a mutation_n make_v in_o she_o by_o that_o which_o they_o call_v a_o warning_n or_o there_o be_v not_o if_o there_o be_v not_o how_o become_v it_o a_o warn_n to_o she_o or_o what_o be_v it_o more_o to_o she_o than_o if_o a_o straw_n be_v wage_v at_o the_o antipode_n but_o if_o there_o be_v some_o mutation_n be_v it_o never_o so_o little_a make_v in_o she_o by_o a_o corporeal_a motion_n what_o shall_v hinder_v why_o she_o may_v not_o by_o mean_n of_o her_o body_n attain_v to_o science_n she_o never_o have_v as_o well_o as_o by_o it_o receive_v any_o the_o least_o intrinsical_a mutation_n whatever_n for_o if_o once_o we_o admit_v any_o mutability_n in_o she_o from_o any_o corporeal_a motion_n it_o be_v far_o more_o conformable_a to_o reason_n to_o suppose_v it_o in_o regard_n of_o that_o which_o be_v her_o natural_a perfection_n and_o of_o that_o which_o by_o her_o operation_n we_o see_v she_o have_v immediate_o after_o such_o corporeal_a motion_n and_o whereof_o before_o they_o there_o appear_v in_o she_o no_o mark_n at_o all_o than_o to_o suppose_v it_o in_o regard_n of_o a_o dark_a intimation_n of_o which_o we_o neither_o know_v it_o be_v nor_o how_o it_o be_v perform_v sure_o no_o rational_a philosopher_n see_v a_o thing_n who_o nature_n be_v to_o know_v have_v a_o be_v whereas_o former_o it_o exist_v not_o and_o observe_v how_o that_o thing_n by_o little_a and_o little_o give_v sign_n of_o more_o and_o more_o knowledge_n can_v doubt_v but_o that_o as_o she_o can_v be_v change_v from_o not_o be_v to_o be_v so_o may_v she_o likewise_o be_v change_v from_o less_o know_v to_o more_o know_v this_o then_o be_v irrefragable_o settle_v that_o in_o the_o body_n she_o increase_v firm_a in_o knowledge_n let_v we_o come_v to_o our_o difficulty_n and_o examine_v what_o this_o increase_n in_o the_o body_n avail_v she_o since_o as_o soon_o as_o she_o part_n from_o it_o she_o shall_v of_o her_o own_o nature_n enjoy_v and_o be_v replenish_v with_o the_o knowledge_n of_o all_o thing_n why_o shall_v she_o laborious_o strive_v to_o anticipate_v the_o get_n of_o a_o few_o drop_n which_o but_o increase_v her_o thirst_n and_o anxiety_n when_o have_v but_o a_o little_a patience_n she_o shall_v at_o one_o full_a and_o everlasting_a draught_n drink_v up_o the_o whole_a sea_n of_o it_o we_o know_v that_o the_o soul_n be_v a_o thing_n make_v proportionable_o to_o the_o make_n of_o its_o body_n see_v it_o be_v the_o body_n compartner_z and_o we_o have_v conclude_v that_o while_o it_o be_v in_o the_o body_n it_o acquire_v perfection_n in_o that_o way_n which_o the_o nature_n of_o it_o be_v capable_a of_o that_o be_v in_o knowledge_n as_o the_o body_n acquire_v perfection_n in_o its_o way_n which_o be_v in_o strength_n and_o agility_n now_o then_o let_v we_o compare_v the_o proceed_n of_o the_o one_o with_o those_o of_o the_o other_o substance_n and_o peradventure_o we_o may_v gain_v some_o light_n to_o discern_v what_o advantage_n it_o may_v prove_v to_o a_o soul_n to_o remain_v long_o in_o its_o body_n if_o it_o make_v right_a use_n of_o its_o dwell_n there_o let_v we_o consider_v the_o body_n of_o a_o man_n well_o and_o exact_o shape_v in_o all_o his_o member_n yet_o if_o he_o never_o use_v care_n nor_o pain_n to_o exercise_v those_o well_o frame_v limb_n of_o he_o he_o will_v want_v much_o of_o those_o corporeal_a perfection_n which_o other_o will_v have_v who_o employ_v they_o sedulous_o though_o his_o leg_n arm_n and_o hand_n be_v of_o a_o exact_a symmetry_n yet_o he_o will_v not_o be_v able_a to_o run_v to_o wrestle_v or_o to_o throw_v a_o dart_n with_o those_o who_o labour_n to_o perfect_v themselves_o in_o such_o exercise_n though_o his_o finger_n be_v never_o so_o neat_o mould_v or_o compose_v to_o all_o advantage_n of_o quick_a and_o smart_a motion_n yet_o if_o he_o never_o learn_v and_o practise_v on_o the_o lute_n he_o will_v not_o be_v able_a with_o they_o to_o make_v any_o music_n upon_o that_o instrument_n even_o after_o he_o see_v plain_o and_o comprehend_v full_o all_o that_o the_o cunning_a lutenist_n do_v neither_o will_v he_o be_v able_a to_o play_v as_o he_o do_v with_o his_o finger_n which_o of_o themselves_o be_v peradventure_o less_o apt_a to_o those_o voluble_a motion_n than_o his_o be_v that_o which_o make_v a_o man_n dexterous_a in_o any_o of_o these_o art_n or_o in_o any_o other_o operation_n proper_a to_o any_o of_o the_o part_n or_o limb_n of_o his_o body_n be_v the_o often_o repetition_n of_o the_o same_o act_n which_o amend_v and_o perfect_v those_o limb_n in_o their_o motion_n and_o make_v they_o fit_a and_o ready_a for_o the_o action_n they_o be_v design_v to_o in_o the_o same_o manner_n it_o fare_v with_o the_o soul_n who_o essence_n be_v that_o which_o she_o know_v her_o several_a knowledge_n may_v be_v compare_v to_o arm_n hand_n finger_n leg_n thigh_n etc._n etc._n in_o a_o body_n and_o all_o her_o knowledge_n take_v together_o compose_v as_o i_o may_v say_v and_o make_v she_o up_o what_o she_o be_v now_o those_o limb_n of_o she_o though_o they_o be_v when_o they_o be_v at_o the_o worst_a entire_a and_o well_o shape_v in_o bulk_n to_o use_v the_o comparison_n of_o body_n yet_o they_o be_v susceptible_a of_o further_a perfection_n as_o our_o corporeal_a limb_n be_v by_o often_o and_o orderly_a usage_n of_o they_o when_o we_o iterate_v our_o act_n of_o understand_v any_o object_n the_o second_o act_n be_v of_o the_o same_o nature_n as_o the_o first_o the_o three_o as_o the_o second_o and_o so_o of_o the_o rest_n every_o one_o of_o which_o perfect_v the_o understanding_n of_o that_o thing_n and_o of_o all_o that_o depend_v on_o the_o knowledge_n of_o it_o and_o make_v it_o become_v more_o vigorous_a and_o strong_a even_o the_o often_o throw_v of_o a_o boul_a at_o the_o same_o
design_v to_o be_v in_o a_o 〈◊〉_d bâ—t_o â—er_o be_v in_o a_o body_n be_v she_o be_v one_o thing_n with_o the_o body_n she_o be_v say_v â—o_o be_v in_o and_o so_o she_o be_v one_o part_n of_o a_o whole_a which_o from_o its_o weak_a part_n be_v denominate_v to_o be_v a_o body_n again_o since_o the_o matter_n of_o any_o thing_n be_v to_o be_v prepare_v before_o the_o end_n be_v prepare_v for_o which_o that_o matter_n be_v to_o serve_v according_a to_o that_o axiom_n quodest_fw-la primum_fw-la in_o intention_n est_fw-la ultimum_fw-la in_o executione_fw-la we_o may_v not_o deny_v but_o that_o the_o body_n be_v in_o be_v some_o time_n before_o the_o soul_n or_o at_o least_o that_o it_o exist_v as_o soon_o as_o she_o do_v and_o therefore_o it_o appear_v whole_o unreasonable_a to_o say_v that_o the_o soul_n be_v first_o make_v out_o of_o the_o body_n and_o be_v afterward_o thrust_v into_o it_o since_o the_o body_n be_v prepare_v for_o the_o soul_n before_o or_o at_o least_o as_o soon_o as_o she_o have_v any_o begin_n and_o so_o we_o may_v conclude_v that_o of_o necessity_n the_o soul_n must_v be_v begin_v lay_v hatch_v and_o perfect_v in_o the_o body_n and_o though_o it_o be_v true_a that_o such_o soul_n as_o be_v separate_v from_o their_o body_n in_o the_o first_o instant_n of_o their_o be_v there_o be_v notwithstanding_o imbue_v with_o the_o knowledge_n of_o all_o thing_n yet_o be_v not_o their_o long_a abode_n there_o in_o vain_a not_o only_o because_o thereby_o the_o species_n be_v multiply_v for_o nature_n be_v not_o content_a with_o bare_o do_v that_o without_o addition_n ofsome_a good_a to_o the_o soul_n itself_o as_o we_o for_o the_o wonderful_a and_o i_o may_v say_v infinite_a advantage_n that_o may_v thereby_o accrue_v to_o the_o soul_n if_o she_o make_v right_a use_n of_o it_o for_o as_o any_o act_n of_o the_o abstract_a soul_n be_v infinite_a in_o comparison_n of_o the_o act_n which_o man_n exercise_v in_o this_o life_n according_a to_o what_o we_o have_v already_o show_v so_o by_o consequence_n must_v any_o increase_n of_o it_o be_v likewise_o infinite_a and_o therefore_o we_o may_v conclude_v that_o a_o long_a life_n well_o spend_v be_v the_o great_a and_o most_o excellent_a gift_n which_o nature_n can_v bestow_v on_o a_o man_n the_o unwary_a reader_n may_v perhaps_o have_v difficulty_n at_o our_o often_o judgement_n repeat_v the_o infelicity_n of_o a_o miserable_a soul_n since_o we_o say_v that_o it_o proceed_v out_o of_o the_o judgement_n she_o have_v former_o make_v inthi_v life_n which_o without_o all_o doubt_n be_v false_a one_o and_o nevertheless_o it_o be_v evident_a that_o no_o false_a judgement_n can_v remain_v in_o a_o soul_n after_o she_o be_v separate_v from_o her_o body_n as_o we_o have_v above_o determine_v how_o then_o can_v a_o soul_n judgement_n be_v the_o cause_n of_o her_o misery_n but_o the_o more_o heedful_a reader_n will_v have_v note_v that_o the_o misery_n which_o we_o put_v in_o a_o soul_n proceed_v out_o of_o the_o inequality_n not_o out_o of_o the_o falsity_n of_o her_o judgement_n for_o if_o a_o man_n be_v incline_v to_o a_o lesser_a good_a more_o than_o to_o a_o great_a he_o will_v in_o action_n betake_v himself_o to_o the_o lessergood_n &_o desert_n the_o great_a wherein_o neither_o judgement_n be_v false_a nor_o either_o inclination_n be_v naught_o mere_o out_o of_o the_o improportion_n of_o the_o two_o inclination_n or_o judgement_n to_o the_o it_o object_n for_o that_o a_o soul_n may_v be_v due_o order_v and_o in_o a_o state_n of_o be_v well_o she_o must_v have_v a_o lesser_a inclination_n to_o a_o lesser_a good_a and_o a_o great_a inclination_n to_o a_o great_a good_a and_o in_o pure_a spirit_n these_o inclination_n be_v nothing_o else_o but_o the_o strength_n of_o their_o judgement_n which_o judgement_n in_o soul_n while_o they_o be_v in_o their_o body_n be_v make_v by_o the_o repetition_n of_o more_o act_n from_o strong_a cause_n or_o in_o more_o favourable_a circumstance_n and_o so_o it_o appear_v how_o without_o any_o falsity_n in_o any_o judgement_n a_o soul_n may_v become_v miserable_a by_o her_o conversation_n in_o this_o world_n where_o all_o her_o inclination_n general_o be_v good_a unless_o the_o disproportion_n of_o they_o make_v they_o bad_a chap._n xii_o of_o the_o perseverance_n of_o a_o soul_n in_o the_o state_n she_o find_v herself_o in_o aâ—_n her_o first_o separation_n from_o her_o body_n thus_o we_o have_v bring_v man_n soul_n out_o of_o the_o body_n shelive_v in_o be_v here_o &_o by_o which_o she_o converse_v &_o have_v commerce_n with_o the_o other_o part_n of_o this_o world_n &_o we_o have_v assign_v she_o her_o first_o array_n and_o stole_n with_o which_o she_o may_v be_v see_v in_o the_o next_o world_n so_o that_o now_o there_o remain_v only_o forus_fw-la to_o consider_v what_o shallbetide_v she_o afterward_o and_o whether_o any_o change_n may_v happen_v to_o and_o be_v make_v in_o she_o after_o the_o first_o instant_n of_o she_o be_v a_o pure_a spirit_n separate_v from_o all_o consortship_n with_o material_a substance_n to_o determine_v this_o point_n the_o more_o clear_o let_v we_o call_v tomind_v a_o axiom_n which_o aristotle_n give_v we_o in_o his_o logic_n that_o as_o it_o be_v true_a if_o the_o effect_n be_v there_o be_v a_o cause_n so_o likewise_o it_o be_v most_o true_a that_o if_o the_o cause_n be_v in_o act_n or_o cause_v the_o effect_n must_v also_o be_v which_o axiom_n may_v be_v understand_v two_o way_n one_o that_o if_o the_o cause_n have_v its_o effect_n than_o the_o effect_n also_o be_v and_o this_o be_v no_o great_a mystery_n norfor_o it_o be_v any_o thanks_o due_a to_o the_o teacher_n itbeing_n but_o a_o repetition_n and_o saying-over-again_a of_o the_o same_o thing_n the_o other_o way_n be_v that_o if_o the_o cause_n be_v perfect_a in_o the_o nature_n of_o a_o cause_n than_o the_o effect_n be_v which_o be_v as_o much_o as_o to_o say_v that_o if_o nothing_o be_v want_v to_o the_o cause_n abstract_v precise_o from_o the_o effect_n then_o neither_o be_v the_o effect_n want_v and_o this_o be_v the_o meaning_n of_o aristotle_n axiom_n of_o the_o truth_n &_o evidence_n whereof_o in_o this_o sense_n if_o any_o man_n shall_v make_v the_o least_o doubt_n it_o be_v easy_a to_o evince_v it_o as_o thus_o if_o nothing_o be_v want_v but_o the_o effect_n &_o yet_o the_o effect_n do_v not_o immediate_o follow_v it_o must_v needs_o be_v that_o it_o can_v follow_v at_o all_o for_o if_o it_o can_v and_o do_v not_o than_o something_o more_o must_v be_v do_v to_o make_v it_o follow_v which_o be_v against_o the_o supposition_n that_o nothing_o be_v want_v but_o the_o effect_n for_o that_o for_o which_o it_o be_v to_o be_v do_v be_v want_v to_o say_v it_o will_v follow_v without_o any_o change_n be_v senseless_a for_o if_o it_o will_v follow_v without_o change_n it_o follow_v out_o of_o this_o which_o be_v already_o put_v but_o if_o it_o follow_v out_o of_o this_o which_o be_v precise_o put_v than_o it_o follow_v against_o the_o supposition_n which_o be_v that_o it_o do_v not_o follow_v although_o this_o be_v put_v this_o then_o be_v evident_a let_v we_o apply_v it_o to_o our_o purpose_n and_o put_v put_v three_o or_o more_o thing_n namely_o a._n b._n c._n and_o d_o whereof_o none_o can_v work_v otherwise_o than_o in_o a_o instant_n or_o indivisible_o and_o i_o say_v that_o whatever_o these_o four_o thing_n be_v able_a to_o do_v without_o respect_n to_o any_o other_o thing_n beside_o they_o be_v complete_o do_v in_o the_o first_o instant_n of_o their_o be_v put_v and_o if_o they_o remain_v for_o all_o eternity_n without_o communication_n or_o respect_n to_o any_o other_o thing_n there_o shall_v never_o be_v any_o innovation_n in_o any_o of_o they_o or_o any_o further_o work_v among_o they_o but_o they_o will_v always_o remain_v immutable_a in_o the_o same_o state_n they_o be_v in_o at_o the_o very_a first_o instant_n of_o their_o be_v put_v for_o whatever_o a_o can_v do_v in_o the_o first_o instant_n be_v in_o that_o first_o instant_n actual_o do_v because_o he_o work_v indivisible_o and_o what_o can_v be_v do_v precise_o by_o a._n &_o by_o his_o action_n join_v to_o b._n precise_o follow_v out_o of_o a._n and_o his_o action_n and_o out_o of_o b._n and_o his_o action_n if_o b._n have_v any_o action_n independent_a of_o a_o and_o because_o all_o these_o be_v in_o the_o same_o instant_n whatever_o follow_v precise_o out_o of_o these_o and_o nothing_o else_o that_o be_v in_o the_o same_o instant_n and_o work_n indivisible_o as_o they_o do_v be_v necessary_o do_v in_o that_o very_a instant_n but_o all_o the_o action_n of_o c._n &_o d._n &_o of_o whatever_o by_o reflection_n from_o they_o may_v be_v do_v by_o a._n and_o
touch_v gravity_n 6._o gravity_n and_o levity_n do_v not_o signify_v a_o intrinsical_v inclination_n to_o such_o a_o motion_n in_o the_o body_n themselves_o which_o be_v term_v heavy_a and_o light_a 7._o the_o more_o dense_a a_o body_n be_v the_o more_o swift_o it_o descend_v 8._o the_o velocity_n of_o body_n descend_v do_v not_o increase_v in_o proportion_n to_o the_o difference_n that_o may_v be_v between_o their_o several_a density_n 9_o more_n or_o less_o gravity_n produce_v a_o swister_n or_o a_o slow_a descend_v a_o heavy_a body_n aristotle_n argument_n to_o disprove_v motion_n in_o 〈◊〉_d be_v make_v good_a 10._o the_o reason_n why_o at_o the_o inferior_a quarter_n of_o a_o circle_n a_o body_n descend_v fast_a by_o the_o arch_n of_o that_o quarter_n then_o by_o the_o chord_n of_o it_o 1._o the_o first_o objection_n answer_v why_o a_o hollow_a body_n descend_v flower_n then_o a_o solid_a one_o 2_o the_o second_o objection_n answer_v and_o the_o reason_n show_v why_o atom_n continual_o overtake_v the_o descend_v dense_a body_n 3._o a_o curious_a question_n leave_v undecided_a 4._o the_o four_o objection_n answer_v why_o the_o descent_n of_o the_o same_o heavy_a body_n be_v equal_a in_o so_o great_a inequality_n of_o the_o atom_n which_o cause_v it_o 5._o the_o reason_n why_o the_o shelter_n of_o a_o thick-body_n do_v not_o hinder_v the_o descent_n of_o that_o which_o be_v under_o it_o 6._o the_o reason_n why_o some_o body_n sink_v other_o swim_v 7._o the_o five_o objection_n answer_v concern_v the_o descend_v of_o heavy_a body_n in_o stream_n 8._o the_o six_o objection_n answer_v and_o that_o all_o heavy_a element_n do_v weigh_v in_o their_o own_o sphere_n 9_o the_o seven_o objection_n answer_v and_o the_o reason_n why_o we_o do_v not_o feel_v the_o course_n of_o the_o air_n and_o atom_n that_o beat_v continual_o upon_o we_o 10._o how_o in_o the_o some_o body_n gravity_n may_v be_v great_a than_o density_n and_o density_n than_o gravity_n though_o they_o be_v the_o same_o thing_n 11._o the_o opinion_n of_o gravity_n be_v a_o intrinsical_a inclination_n of_o a_o body_n to_o the_o centre_n refute_v by_o reason_n â—2_n the_o same_o opinion_n refute_v by_o several_a experience_n 1._o the_o state_n of_o the_o question_n touch_v the_o cause_n of_o violent_a motion_n 2_o that_o the_o medium_n be_v the_o only_a cause_n which_o continue_v violent_a motion_n 3._o a_o further_a explication_n of_o the_o former_a doctrine_n 4._o that_o the_o air_n have_v strength_n enough_o to_o continue_v violent_a motion_n in_o a_o movable_a dial._n 1._o of_o motion_n pag._n 98._o 5._o a_o answer_n to_o the_o first_o objection_n that_o air_n be_v not_o apt_a to_o conserve_v motion_n and_o how_o violent_a motion_n come_v to_o cease_v 6._o a_o answer_n to_o the_o second_o objection_n that_o the_o air_n have_v no_o power_n over_o heavy_a body_n 7._o a_o answer_n to_o the_o three_o objection_n that_o a_o arrow_n shall_v fly_v fast_o broadways_o than_o long_a way_n 1._o that_o reflection_n be_v a_o kind_n of_o violent_a motion_n 2._o reflection_n be_v make_v at_o equal_a angle_n 3._o the_o cause_n and_o property_n of_o undulation_n 4._o refraction_n at_o the_o entrance_n into_o the_o reflectent_a body_n be_v towà rds_o the_o perpendicular_a at_o the_o go_v out_o be_v from_o it_o when_o the_o second_o superficies_n be_v parallel_n to_o the_o first_o 6._o a_o answer_n to_o the_o argument_n bring_v in_o favour_n of_o monsir_fw-fr des_fw-fr cartes_n his_o opinion_n 7._o the_o true_a cause_n of_o refraction_n of_o light_n both_o at_o its_o entrance_n and_o at_o its_o go_v out_o from_o the_o reflect_a body_n 8._o a_o general_a rule_n to_o know_v the_o nature_n of_o reflection_n and_o refraction_n in_o all_o sort_n of_o surface_n 9_o a_o body_n of_o great_a part_n and_o great_a pore_n make_v a_o great_a refraction_n than_o one_o of_o lesser_a part_n and_o lesser_a pore_n 10._o a_o confirmation_n of_o the_o former_a doctrine_n out_o of_o the_o nature_n of_o body_n that_o refract_v light_a 1._o the_o connexion_n of_o this_o chapter_n with_o the_o rest_n and_o the_o author_n intent_n in_o it_o 2._o that_o there_o be_v a_o least_o size_n of_o body_n and_o that_o this_o least_o size_n be_v find_v in_o fire_n 3._o the_o first_o conjunction_n of_o part_n be_v in_o body_n of_o least_o size_n and_o it_o be_v make_v by_o the_o force_n of_o quantity_n 4._o the_o second_o sort_n of_o conjunction_n â—s_v compactedness_n in_o simple_a element_n and_o it_o proceed_v from_o density_n 5._o the_o three_o conjunction_n be_v of_o part_n of_o different_a element_n and_o it_o proceed_v from_o quantity_n and_o density_n together_o 6._o the_o reason_n why_o liquid_a body_n easy_o join_v together_o and_o dry_a one_o difficult_o 7._o that_o no_o two_o hard_a body_n can_v touch_v one_o another_o immediate_o 8._o how_o mix_v body_n be_v frame_v in_o general_n 9_o the_o cause_n of_o the_o several_a degree_n of_o solidity_n in_o mix_a body_n 10._o the_o rule_n whereto_o be_v reduce_v all_o the_o several_a combination_n of_o element_n in_o compound_v of_o mix_a body_n 11._o earth_n and_o water_n be_v the_o basis_n of_o all_o permanent_a mix_a body_n 12._o what_o kind_n of_o body_n those_o be_v where_o water_n be_v the_o basis_n and_o earth_n the_o pedominant_a element_n over_o the_o other_o two_o 13._o of_o these_o body_n where_o water_n be_v the_o b_o sis_fw-la air_n be_v the_o predominant_a element_n 14._o what_o kind_n of_o body_n result_v where_o water_n be_v the_o basis_n and_o fire_n the_o predominant_a element_n 15._o of_o those_o body_n where_o water_n be_v in_o excess_n it_o alone_o be_v both_o the_o basis_n and_o the_o predominant_a element_n 16._o of_o those_o body_n be_v earth_n alone_o be_v the_o basis_n and_o also_o the_o predominant_a in_o excess_n over_o the_o other_o three_o element_n 17._o of_o those_o body_n where_o earth_n be_v the_o basis_n and_o water_n the_o predominant_a element_n over_o the_o other_o two_o 18._o of_o those_o body_n where_o earth_n be_v the_o basis_n air_n be_v the_o predominant_a 19_o of_o those_o body_n where_o earth_n be_v the_o basis_n fire_n be_v the_o predominant_a 20._o all_o the_o second_o quality_n of_o mix_a body_n arise_v from_o several_a combination_n of_o the_o first_o quality_n and_o be_v at_o last_o resolve_v into_o several_a degree_n of_o rarity_n and_o density_n 21._o that_o in_o the_o planet_n and_o star_n there_o be_v a_o like_a variety_n of_o mix_a body_n cause_v by_o light_n as_o here_o upon_o earth_n 22._o in_o what_o manner_n the_o element_n work_v upon_o one_o another_o in_o the_o position_n of_o mix_a body_n and_o in_o particular_a fire_n be_v the_o most_o active_a 23._o a_o particular_a declaration_n touch_v the_o generation_n of_o metal_n 1._o why_o some_o body_n be_v brittle_a and_o other_o tough_a or_o apt_a to_o withstand_v outward_a violence_n the_o first_o instrument_n to_o dissolve_v mix_v body_n 2._o how_o outward_a violence_n work_v upon_o the_o most_o compact_a body_n 3._o the_o several_a effect_n of_o fiâ—e_n the_o second_o and_o chief_a instrument_n to_o dissolve_v compound_v body_n 4._o the_o reason_n why_o some_o body_n be_v not_o dissolve_v by_o fire_n 5._o the_o reason_n why_o fire_n melt_v gold_n but_o can_v consume_v it_o 6._o why_o lead_n be_v easy_o consume_v and_o calcine_v by_o fire_n 7._o why_o and_o how_o some_o body_n be_v divide_v by_o fire_n into_o spirit_n water_n oil_n salt_n and_o earth_n &_o what_o those_o part_n be_v 〈◊〉_d how_o water_n the_o three_o instrument_n to_o dissolve_v body_n dissolve_v calx_fw-la into_o salt_n and_o so_o into_o terra_fw-la damnata_fw-la 9_o how_o water_n mingle_v with_o salt_n become_v almost_o powerful_a agent_n to_o dissolve_v other_o body_n 20._o how_o putrefaction_n be_v cause_v 1._o what_o be_v the_o sphere_n of_o activity_n in_o corporeal_a agent_n 2._o the_o reason_n why_o no_o body_n can_v work_v in_o distance_n 3._o a_o objection_n answer_v against_o the_o manner_n 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which_o make_v little_a part_n of_o body_n natural_o heavy_a descend_v slow_o in_o regard_n of_o the_o velocity_n of_o great_a part_n of_o the_o same_o body_n descend_v the_o doctrine_n of_o which_o we_o intend_v to_o deliver_v hereafter_o other_o therefore_o perceive_v this_o rule_n to_o fall_v short_a have_v endeavour_v body_n to_o piece_n it_o out_o by_o the_o mixtion_n of_o vacuity_n among_o body_n believe_v it_o be_v that_o which_o make_v one_o rare_a than_o another_o which_o mixtion_n they_o do_v not_o put_v always_o immediate_a to_o the_o main_a body_n they_o consider_v but_o if_o it_o have_v other_o rare_a and_o light_a body_n mingle_v with_o it_o they_o conceive_v this_o mixtion_n immediate_a only_o to_o the_o rare_a or_o light_a as_o for_o example_n a_o crystal_n be_v light_a and_o consequent_o rare_a than_o a_o diamond_n they_o will_v not_o say_v there_o be_v more_o vacuity_n in_o a_o crystal_n then_o in_o a_o diamond_n but_o that_o the_o pore_n of_o a_o crystal_n be_v great_a and_o consequent_o there_o be_v more_o air_n in_o a_o crystal_n to_o fill_v the_o pore_n of_o it_o then_o be_v in_o a_o diamond_n and_o the_o vacuity_n be_v in_o the_o air_n which_o abound_v in_o a_o crystal_n more_o than_o in_o a_o diamond_n make_v that_o light_a and_o rare_a than_o this_o by_o the_o more_o vacuite_n that_o be_v in_o the_o great_a quantity_n of_o air_n which_o be_v mingle_v with_o it_o but_o against_o this_o suppsition_n a_o powerful_a adversary_n be_v urge_v for_o aristotle_n in_o his_o 4._o book_n of_o physics_n have_v demonstrate_v that_o there_o can_v be_v no_o motion_n in_o vacuity_n it_o be_v true_a they_o endeavour_v to_o evade_v his_o demonstration_n as_o not_o reach_v home_o to_o their_o supposition_n by_o acknowledge_v it_o to_o be_v a_o evident_a one_o in_o such_o a_o vacuity_n as_o he_o there_o speak_v of_o which_o he_o suppose_v so_o great_a that_o a_o body_n may_v swim_v in_o it_o as_o in_o a_o ocean_n and_o not_o touch_v or_o be_v near_o any_o other_o body_n whereas_o this_o opinion_n exclude_v all_o such_o vast_a inanity_n &_o admit_v no_o vacuity_n but_o so_o little_a one_o as_o no_o body_n whatever_o can_v come_v to_o but_o will_v be_v biger_n than_o they_o and_o consequent_o must_v on_o some_o side_n orother_n touch_v the_o corporal_a part_n which_o those_o vacuity_n divide_v for_o they_o be_v the_o separation_n of_o the_o least_o part_n that_o be_v or_o can_v be_v actual_o divide_v from_o one_o another_o which_o part_n must_v of_o necessity_n touch_v one_o another_o on_o some_o side_n or_o else_o they_o can_v not_o hang_v together_o to_o compose_v one_o substance_n and_o and_o therefore_o the_o divide_v vacuity_n must_v be_v less_o than_o the_o divide_a part_n and_o thus_o no_o body_n will_v ever_o be_v in_o danger_n of_o float_v up_o and_o down_o without_o touch_v any_o thing_n which_o be_v the_o difficulty_n that_o aristotle_n chief_o impugn_v i_o confess_v i_o shall_v be_v very_o glad_a that_o this_o supposition_n 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scholastic_a term_n as_o may_v be_v but_o indeed_o the_o inconvenience_n that_o follow_v out_o of_o this_o supposition_n of_o vacuity_n be_v so_o great_a as_o it_o be_v impossible_a by_o any_o mean_n to_o slide_v they_o over_o as_o for_o example_n let_v we_o borrow_v of_o gallileus_n the_o proportion_n of_o weight_n between_o water_n and_o air_n he_o 18._o show_v we_o how_o the_o one_o be_v 400_o time_n heavy_a than_o the_o other_o and_o marinus_n ghetaldus_n teach_v we_o that_o gold_n be_v 19_o time_n heavy_a than_o water_n so_o that_o gold_n must_v be_v 7600_o time_n heavy_a than_o air_n now_o then_o consider_v that_o nothing_o in_o a_o body_n can_v weigh_v promote_v but_o the_o solid_a part_n of_o it_o it_o follow_v that_o the_o proportion_n of_o the_o part_n of_o gold_n in_o a_o sphere_n of_o a_o inch_n diameter_n be_v to_o the_o part_n of_o the_o air_n of_o a_o like_a dimension_n as_o 7600_o be_v to_o one_o therefore_o in_o air_n itself_o the_o vacuity_n that_o be_v suppose_v in_o it_o will_v be_v to_o the_o solid_a part_n of_o it_o in_o the_o same_o proportion_n as_o 7600_o to_o one_o indeed_o the_o proportion_n of_o difference_n shall_v be_v great_a for_o even_o in_o gold_n many_o vacuity_n must_v be_v admit_v as_o appear_v by_o the_o heat_n of_o it_o which_o show_v that_o in_o every_o least_o part_n it_o be_v exceed_o porous_a but_o according_a to_o this_o rate_n without_o press_v the_o inconvenience_n any_o further_a the_o air_n will_v by_o this_o reckon_n appear_v to_o be_v like_o a_o net_n who_o hole_n &_o distance_n be_v to_o the_o line_n and_o thread_n in_o the_o proportion_n of_o 7600_o to_o one_o and_o so_o will_v be_v liable_a to_o have_v little_a part_n of_o its_o body_n swim_v in_o those_o great_a vacuity_n contrary_a to_o what_o they_o strive_v to_o avoid_v which_o will_v be_v exceed_o more_a if_o we_o find_v on_o the_o one_o side_n any_o body_n heavy_a &_o denser_n then_o gold_n &_o that_o be_v so_o solid_a as_o to_o exclude_v all_o vacuity_n &_o on_o the_o other_o side_n shall_v balance_v they_o withsuch_v body_n as_o be_v light_a and_o rare_a than_o air_n as_o fire_n be_v and_o as_o some_o say_v will_v have_v the_o aether_n to_o be_v but_o already_o the_o disproportion_n be_v so_o great_a and_o the_o vacuity_n so_o strange_o exceed_v the_o body_n in_o which_o it_o be_v as_o be_v too_o great_a a_o absurdity_n to_o be_v admit_v and_o beside_o it_o will_v destroy_v all_o motion_n of_o small_a body_n in_o the_o air_n if_o it_o be_v true_a as_o aristotle_n have_v demonstrate_v in_o the_o four_o book_n of_o his_o physics_n that_o motion_n can_v be_v make_v but_o among_o body_n and_o not_o in_o vacuo_fw-la again_o if_o rarity_n be_v make_v by_o vacuity_n rare_a body_n can_v not_o be_v gather_v together_o without_o lose_v their_o rarity_n and_o become_a dense_n the_o contrary_a of_o which_o we_o learn_v by_o constant_a experience_n as_o when_o the_o smith_n and_o glassemender_n drive_v their_o white_a and_o fury_n fire_n as_o they_o term_v they_o when_o air_n pierce_v most_o in_o the_o sharp_a wind_n and_o general_o we_o see_v that_o more_o of_o the_o same_o kind_n of_o rare_a body_n in_o less_o place_n work_v more_o efficacious_o according_a to_o the_o nature_n that_o result_v out_o of_o that_o degree_n of_o rarity_n which_o argue_v that_o every_o little_a part_n be_v as_o rare_a as_o it_o be_v before_o for_o else_o it_o will_v lose_v the_o virtue_n of_o work_v according_a to_o the_o nature_n but_o that_o by_o their_o be_v crowd_v together_o they_o exclude_v all_o other_o body_n that_o before_o mediate_v between_o the_o little_a part_n of_o their_o main_a body_n and_o so_o more_o part_n be_v get_v together_o in_o the_o same_o place_n then_o former_o there_o be_v they_o work_v more_o forcible_o three_o if_o such_o vacuity_n be_v the_o cause_n of_o rarity_n it_o will_v follow_v that_o fluid_a body_n be_v rare_a than_o solid_a one_o will_v be_v of_o themselves_o stand_v like_a net_n or_o cobweb_n whereas_o 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assistance_n of_o the_o spirit_n which_o inhabit_v the_o brain_n now_o than_o it_o follow_v that_o if_o she_o have_v not_o the_o command_n of_o those_o spirit_n which_o flock_v thither_o she_o must_v of_o necessity_n be_v carry_v along_o by_o the_o stream_n of_o the_o great_a and_o strong_a multitude_n which_o in_o our_o case_n be_v the_o throng_n of_o those_o that_o be_v send_v up_o into_o the_o brain_n by_o the_o desire_a object_n and_o they_o come_v thither_o so_o thick_a and_o so_o forcible_o that_o they_o displace_v the_o other_o which_o fight_v under_o reason_n standard_n which_o if_o they_o do_v total_o and_o exclude_v reason_n party_n entire_o possess_v the_o fancy_n with_o their_o troop_n as_o in_o madness_n and_o extremity_n of_o sudden_a passion_n it_o happen_v then_o must_v reason_v whole_o follow_v their_o sway_n without_o any_o struggle_a at_o all_o against_o it_o for_o whatever_o beat_v on_o the_o fancy_n occasion_n she_o to_o work_v and_o therefore_o when_o nothing_o 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