expression_n that_o be_v not_o polish_v according_a to_o grammatical_a or_o scholastic_a nicety_n or_o mode_n that_o i_o may_v be_v excuse_v herein_o and_o that_o the_o reader_n will_v look_v to_o the_o scope_n and_o drift_n and_o mark_v at_o what_o i_o aim_v and_o not_o cavil_v at_o bare_a term_n and_o expression_n so_o long_o as_o the_o thing_n they_o design_v be_v lay_v open_a this_o be_v a_o unhappiness_n that_o too_o often_o befall_v man_n that_o be_v inquisitive_a after_o truth_n that_o their_o reader_n or_o opponent_n miss_v the_o scope_n of_o the_o writer_n and_o fall_v upon_o criticism_n about_o word_n and_o form_n of_o expression_n word_n be_v but_o sign_n of_o conception_n and_o thought_n and_o as_o i_o have_v elsewhere_o say_v they_o perform_v their_o office_n well_o enough_o when_o they_o render_v our_o thought_n intelligible_a 3._o that_o he_o will_v be_v content_a to_o suspend_v his_o censure_n upon_o clause_n or_o sentence_n apart_o till_o he_o have_v peruse_v all_o it_o be_v not_o possible_a especial_o in_o discourse_n of_o this_o nature_n to_o speak_v or_o write_v all_o at_o once_o some_o thing_n that_o be_v but_o short_o or_o obscure_o deliver_v or_o perchance_o omit_v in_o one_o sentence_n page_n or_o paragraph_n may_v be_v supply_v or_o explain_v in_o another_o the_o content_n chap._n 1._o concern_v motion_n and_o its_o original_a pag._n 1_o chap._n 2._o a_o far_a disquisition_n touch_v the_o immediate_a cause_n of_o motion_n pag._n 7_o chap._n 3._o concern_v some_o other_o more_o universal_a or_o common_a cause_n assign_v to_o motion_n viz._n anima_fw-la mundi_fw-la spiritus_fw-la naturae_fw-la &_o principia_fw-la hylarchica_n pag._n 25_o chap._n 4._o touch_v rarefaction_n and_o condensation_n and_o their_o kind_n pag._n 36_o chap._n 5._o concern_v the_o phaenomena_n of_o rarefaction_n and_o condensation_n apparent_a to_o sense_n pag._n 49_o chap._n 6._o concern_v the_o various_a solution_n of_o condensation_n and_o rarefaction_n and_o first_o of_o that_o which_o be_v by_o suppose_a interspersed_a vacuity_n pag._n 55_o chap._n 7._o concern_v the_o second_o solution_n of_o rarefaction_n and_o condensation_n and_o its_o insufficiency_n pag._n 67_o chap._n 8._o further_o consideration_n concern_v the_o deficiency_n of_o the_o second_o solution_n in_o relation_n to_o rarefaction_n and_o condensation_n and_o the_o supplement_n that_o have_v be_v devise_v to_o enforce_v or_o supply_v it_o pag._n 77_o chap._n 9_o touch_v the_o three_o supposition_n of_o the_o method_n of_o rarefaction_n and_o condensation_n according_a to_o the_o ancient_a philosophy_n which_o seem_v to_o be_v the_o true_a pag._n 87_o chap._n 10._o a_o further_a consideration_n of_o rarefaction_n and_o condensation_n and_o of_o the_o supposition_n of_o the_o penetrability_n or_o impenetrability_n of_o body_n material_a substance_n quantity_n extension_n etc._n etc._n pag._n 108_o errata_fw-la pag._n 39_o l._n 4._o deal_n appear_v p._n 43._o l._n 10._o r._n it_o it_o make_v space_n p._n 63._o l._n 25._o abstract_v r._n obstruct_v p._n 64._o l._n 18._o r._n and_o with_o great_a ease_n if_o the_o supposition_n be_v true_a p._n 65._o l._n 15._o more_o r._n mere_a p._n 89._o l._n 20._o tube_n r._n cube_n p._n 94._o l._n 23._o deal_n actual_a p._n 95._o l._n 13._o cancel_v r._n cantel_v p._n 106._o l._n 7._o r._n passion_n or_o quality_n of_o p._n 131._o l._n 21._o r._n in_o condensation_n p._n 189._o l._n 6._o r._n preponderation_n p._n 192._o l._n 25._o balance_n r._n bottom_n p._n 204._o l._n 20._o some_o r._n sense_n p._n 239._o l._n 24._o r._n preponderated_a p._n 276._o l._n 17._o r._n foreign_a observation_n touch_v the_o principle_n of_o natural_a motion_n and_o especial_o touch_v rarefaction_n and_o condensation_n chap._n i._o concern_v motion_n and_o its_o original_a as_o a_o introduction_n to_o what_o follow_v i_o shall_v brief_o set_v down_o some_o observation_n touch_v motion_n of_o create_v material_a being_n for_o i_o shall_v not_o in_o this_o place_n meddle_v with_o those_o more_o noble_a being_n of_o angelical_a or_o spiritual_a nature_n nor_o the_o humane_a soul_n which_o be_v a_o subject_a of_o another_o and_o high_a nature_n and_o not_o to_o be_v measure_v by_o those_o ordinary_a rule_n or_o reason_n that_o concern_v body_n matter_n and_o material_a nature_n we_o may_v general_o find_v in_o all_o material_a being_n the_o thing_n call_v motion_n in_o some_o of_o one_o kind_n in_o some_o of_o another_o some_o more_o simple_a some_o more_o complexed_a and_o various_a some_o more_o conspicuous_a to_o sense_n as_o local_a motion_n some_o less_o conspicuous_a as_o generation_n and_o alteration_n some_o thing_n be_v move_v by_o other_o some_o thing_n seem_v to_o have_v the_o principle_n or_o original_a of_o motion_n in_o themselves_o which_o communicate_v motion_n to_o the_o subject_a wherein_o that_o principle_n reside_v and_o also_o to_o other_o thing_n by_o contact_n of_o their_o corporeity_n or_o virtue_n and_o therefore_o aristotle_n somewhere_o as_o i_o remember_v call_v motion_n or_o endeavour_n of_o it_o to_o be_v quasi_fw-la vita_fw-la quaedam_fw-la quae_fw-la omnibus_fw-la inest_fw-la quae_fw-la natura_fw-la constant_a the_o primitive_a principle_n or_o cause_n of_o all_o motion_n be_v the_o first_o mover_n the_o great_a and_o glorious_a lord_n of_o nature_n from_o who_o as_o be_v so_o all_o motion_n be_v derive_v into_o create_a being_n 1._o by_o way_n of_o causality_n those_o create_a being_n that_n seem_v to_o have_v the_o immediate_a principle_n of_o motion_n in_o themselves_o have_v that_o principle_n from_o his_o fiat_n and_o institution_n and_o 2._o by_o way_n of_o concurrence_n and_o concomitance_n there_o be_v a_o perpetual_a flux_n from_o that_o fountain_n of_o be_v that_o preserve_v and_o sustain_v those_o principle_n of_o motion_n which_o he_o at_o first_o lodge_v in_o create_a being_n according_a to_o their_o several_a rank_n kind_n and_o nature_n and_o institute_v duration_n and_o if_o this_o concourse_n shall_v withdraw_v itself_o but_o one_o moment_n all_o the_o motion_n of_o create_a being_n will_v cease_v and_o expire_v matter_n itself_o simple_o consider_v as_o such_o though_o it_o be_v susceptive_a of_o motion_n as_o we_o daily_o see_v be_v not_o the_o immediate_a principle_n of_o motion_n in_o those_o subject_n that_o seem_v to_o be_v self-moving_a or_o primitive_a movent_n of_o other_o thing_n according_a to_o that_o law_n of_o nature_n institute_v by_o the_o sovereign_a lord_n thereof_o and_o this_o seem_v apparent_a among_o other_o reason_n by_o these_o that_o follow_v 1._o because_o matter_n in_o itself_o and_o simple_o consider_v seem_v to_o be_v mere_o passive_a and_o receptive_a of_o active_a impression_n from_o something_o else_o it_o be_v true_a one_o portion_n of_o matter_n once_o set_v in_o motion_n will_v by_o contact_n put_v another_o portion_n of_o matter_n into_o motion_n but_o we_o be_v not_o now_o upon_o the_o search_n of_o intermediate_v instrumental_n of_o motion_n but_o upon_o the_o search_n of_o the_o principle_n of_o such_o motion_n which_o seem_v primitive_o and_o immediate_o to_o be_v elicit_v in_o any_o physical_a subject_n 2._o because_o matter_n simple_o consider_v seem_v to_o be_v one_o kind_n of_o uniform_a entity_n but_o diversify_v by_o its_o form_n quality_n and_o modification_n as_o weight_n colour_n hardness_n softness_n etc._n etc._n the_o matter_n of_o a_o piece_n of_o gold_n and_o of_o a_o piece_n of_o wood_n abstractive_o consider_v seem_v to_o be_v the_o materia_fw-la prima_fw-la of_o the_o ancient_n and_o of_o the_o same_o nature_n and_o consequent_o if_o matter_n simple_o consider_v be_v the_o immediate_a active_a principle_n of_o motion_n the_o motion_n of_o all_o thing_n will_v be_v as_o simple_a and_o uniform_a as_o the_o matter_n itself_o but_o we_o see_v by_o daily_a experience_n that_o there_o be_v motion_n of_o several_a subject_n which_o have_v the_o immediate_a principle_n of_o their_o motion_n in_o and_o from_o themselves_o or_o somewhat_o within_o they_o that_o obtain_v vicem_fw-la moventis_fw-la and_o be_v various_a differ_v different_o exert_v and_o different_o terminate_v from_o the_o motion_n of_o other_o body_n therefore_o if_o there_o be_v any_o thing_n in_o nature_n that_o have_v their_o principle_n of_o motion_n in_o themselves_o we_o must_v find_v out_o if_o we_o can_v somewhat_o beside_o matter_n that_o be_v the_o immediate_a root_n or_o spring_n of_o it_o it_o be_v true_a the_o great_a master_n in_o natural_a philosophy_n aristotle_n tell_v we_o that_o whatsoever_o be_v move_v be_v move_v by_o another_o which_o will_v make_v one_o suppose_v that_o he_o think_v there_o be_v no_o immediate_a self-moving_a principle_n in_o those_o being_n we_o call_v automata_n but_o only_o the_o first_o mover_n and_o true_o with_o respect_n to_o the_o sovereign_a cause_n of_o all_o thing_n that_o every_o thing_n be_v move_v by_o he_o that_o be_v unmoveable_a as_o i_o have_v before_o show_v can_v be_v question_v but_o that_o there_o be_v
create_v being_n that_o by_o the_o powerful_a and_o sovereign_a institution_n of_o almighty_a god_n have_v a_o immediate_a principle_n of_o motion_n in_o and_o from_o themselves_o be_v beyond_o dispute_n a_o brute_n beast_n possible_o may_v be_v put_v immediate_o into_o motion_n by_o his_o appetite_n and_o that_o appetite_n excite_v by_o the_o presence_n of_o a_o object_n and_o here_o the_o object_n have_v as_o i_o may_v call_v it_o a_o moral_a principle_n of_o motion_n exciting_a the_o appetite_n move_v the_o brute_n to_o a_o near_a approach_n to_o the_o object_n but_o then_o in_o the_o gressus_fw-la brutalis_fw-la it_o be_v somewhat_o within_o he_o that_o give_v the_o local_a motion_n itself_o namely_o the_o brutalis_fw-la anima_fw-la and_o the_o same_o be_v evident_a in_o the_o motion_n of_o augmentation_n and_o conformation_n of_o vegetable_n the_o motion_n of_o ascent_n and_o calefaction_n in_o fire_n the_o motion_n of_o attraction_n and_o aversation_n in_o magnetical_a body_n and_o the_o very_a motion_n of_o descent_n in_o heavy_a body_n and_o infinite_a more_o instance_n of_o physical_a body_n which_o have_v a_o intrinsic_a principle_n of_o exciting_a and_o communicate_v motion_n to_o the_o subject_n of_o their_o inexistence_n and_o to_o other_o thing_n now_o touch_v this_o internal_a immediate_a principle_n of_o motion_n be_v this_o enquiry_n upon_o which_o i_o be_o chap._n ii_o a_o far_a disquisition_n touch_v the_o immediate_a cause_n of_o motion_n in_o the_o former_a chapter_n i_o have_v suppose_v these_o two_o thing_n 1._o that_o there_o be_v some_o thing_n that_o have_v a_o active_a self-moving_a principle_n lodge_v within_o they_o 2._o that_o matter_n simple_o consider_v be_v not_o that_o immediate_a self-moving_a principle_n it_o remain_v therefore_o to_o be_v inquire_v what_o that_o principle_n be_v the_o ancient_a bi-partition_n of_o create_a being_n be_v into_o substance_n and_o accident_n but_o this_o seem_v to_o i_o to_o be_v too_o narrow_a i_o be_o still_o speak_v of_o create_a material_a existence_n and_o i_o shall_v not_o be_v ashamed_a to_o own_o helmont_n for_o my_o instructor_n herein_o because_o he_o speak_v with_o great_a evidence_n of_o reason_n there_o seem_v therefore_o to_o be_v a_o three_o kind_n of_o existence_n or_o entity_n participate_v in_o some_o respect_n of_o the_o nature_n of_o both_o and_o yet_o differ_v in_o other_o respect_n from_o both_o for_o indeed_o it_o be_v a_o entity_n among_o create_a being_n belong_v to_o matter_n far_o more_o noble_a than_o either_o of_o the_o two_o former_a and_o be_v that_o which_o give_v life_n vigour_n activity_n and_o motion_n immediate_o next_o under_o the_o lord_n of_o nature_n to_o every_o self-moving_a be_v and_o this_o entity_n i_o call_v vis_fw-fr or_o virtus_fw-la activa_fw-la superad_v to_o matter_n and_o give_v immediate_o those_o motion_n to_o it_o that_o be_v specifical_o appropriate_a to_o that_o vis_fw-fr or_o virtus_fw-la activa_fw-la and_o without_o which_o matter_n will_v be_v stupid_a dull_a unactive_a and_o always_o at_o rest_n in_o itself_o unless_o accidental_o move_v ab_fw-la extrinseco_fw-la and_o although_o those_o vires_fw-la or_o virtutes_fw-la activae_fw-la the_o immediate_a principle_n of_o motion_n in_o such_o thing_n as_o be_v automata_n be_v various_a and_o infinite_o diversify_v yet_o i_o shall_v instance_n but_o in_o few_o which_o nevertheless_o will_v be_v sufficient_a to_o render_v myself_o intelligible_a in_o what_o i_o say_v and_o those_o be_v principal_o of_o two_o sort_n the_o first_o of_o those_o the_o noble_a below_o the_o humane_a soul_n be_v those_o vires_fw-la or_o virtutes_fw-la essentiales_fw-la that_o be_v the_o principal_a constituent_n of_o vital_a or_o substantial_a form_n the_o second_o be_v those_o which_o be_v usual_o call_v active_a quality_n which_o seem_v to_o be_v of_o a_o low_a nature_n and_o allay_v than_o the_o former_a under_o the_o first_o of_o these_o rank_n there_o be_v different_a class_n not_o only_o gradual_o but_o essential_o more_o or_o less_o perfect_a than_o other_o viz._n first_o the_o vis_fw-fr sentiens_fw-la &_o animalis_fw-la of_o animal_n 2._o the_o vis_fw-fr vegetans_fw-la &_o vitalis_fw-la of_o vegetable_n and_o possible_o of_o many_o mineral_n 3._o the_o vis_fw-fr combustiva_fw-la &_o calefactiva_fw-la of_o fire_n 4._o the_o vis_fw-fr attractiva_fw-la directiva_fw-la &_o communicativa_fw-la of_o magnetical_a body_n these_o virtutes_fw-la or_o vires_fw-la essentiales_fw-la even_o of_o the_o noble_a sort_n i_o mean_v below_o the_o humane_a nature_n have_v this_o pre-eminence_n above_o the_o matter_n or_o substance_n whereunto_o they_o be_v unite_v that_o they_o be_v the_o immediate_a vital_a movent_fw-la principle_n that_o give_v a_o kind_n of_o life_n or_o motion_n to_o the_o subject_a wherein_o they_o exist_v which_o will_v otherwise_o be_v destitute_a of_o life_n or_o motion_n from_o itself_o whether_o these_o vires_fw-la or_o virtutes_fw-la essentiales_fw-la be_v in_o themselves_o defectible_a or_o not_o may_v be_v question_v some_o have_v think_v that_o they_o have_v certain_a termini_fw-la temporales_fw-la of_o their_o existence_n and_o operation_n in_o themselves_o simple_o and_o abstractive_o consider_v and_o in_o process_n of_o time_n languish_v and_o final_o expire_v and_o cease_v as_o the_o energy_n of_o the_o spring_n of_o a_o watch_n in_o its_o evolution_n grow_v languid_a and_o at_o last_o utter_o cease_v from_o any_o far_a evolution_n or_o motion_n other_o have_v think_v and_o with_o great_a evidence_n of_o reason_n that_o there_o be_v no_o decay_n or_o natural_a termination_n of_o the_o vis_fw-fr or_o energia_fw-la essentialis_fw-la itself_o but_o only_o by_o the_o decay_n or_o defectibility_n or_o dissolution_n of_o the_o material_a hypostasis_fw-la to_o which_o it_o be_v unite_v or_o of_o the_o organ_n which_o it_o use_v in_o its_o operation_n which_o be_v compound_v body_n be_v subject_a to_o decay_v and_o dissolution_n and_o therefore_o the_o philosopher_n tell_v we_o that_o if_o a_o old_a man_n have_v a_o young_a man_n eye_n he_o will_v see_v as_o well_o as_o in_o his_o youth_n for_o the_o decay_n be_v not_o in_o the_o visive_n faculty_n or_o vis_fw-fr or_o virtus_fw-la essentialis_fw-la sentiens_fw-la but_o in_o the_o organ_n or_o subject_a or_o substratum_fw-la of_o its_o operation_n or_o inexistence_n but_o in_o some_o respect_n it_o be_v inferior_a to_o matter_n and_o seem_v to_o participate_v of_o the_o nature_n of_o accident_n as_o for_o instance_n it_o necessary_o according_a to_o the_o common_a law_n of_o nature_n require_v a_o material_a hypostasis_fw-la or_o subject_a in_o which_o it_o may_v inexi_v and_o to_o which_o it_o may_v be_v unite_v thus_o the_o vis_fw-fr sentiens_fw-la &_o animalis_fw-la be_v immediate_o unite_v to_o the_o animal_n spirit_n or_o the_o most_o refine_a part_n of_o the_o animal_n nature_n the_o vis_fw-fr vegetans_fw-la vitalis_n of_o vegetable_n be_v immediate_o unite_v to_o the_o vital_a spirit_n and_o succus_fw-la vitalis_n of_o vegetable_n as_o to_o fire_n whether_o the_o vis_fw-fr ignea_fw-la have_v a_o proper_a hypostasis_fw-la of_o its_o own_o to_o which_o it_o be_v unite_v as_o the_o vis_fw-fr sentiens_fw-la have_v or_o whether_o it_o have_v no_o other_o substratum_fw-la but_o the_o body_n in_o which_o it_o be_v as_o the_o coal_n or_o iron_n or_o as_o the_o common_a body_n of_o the_o air_n itself_o through_o which_o it_o be_v universal_o diffuse_v may_v i_o confess_v be_v questionable_a yet_o certain_o it_o have_v some_o hypostasis_fw-la to_o which_o it_o be_v unite_v and_o primitive_o inexi_v and_o without_o which_o it_o seem_v it_o can_v be_v 2._o whereas_o no_o portion_n of_o matter_n be_v lose_v in_o nature_n or_o annihilable_a but_o by_o omnipotence_n those_o vires_fw-la essentiales_fw-la be_v in_o their_o individual_n extinguish_v and_o lose_v and_o no_o where_o in_o nature_n upon_o the_o destruction_n dissipation_n or_o dissolution_n of_o the_o necessary_a hypostasis_fw-la or_o subject_a of_o their_o inexistence_n when_o the_o animal_n spirit_n be_v whole_o dissipate_v or_o dissolve_v the_o vis_fw-fr sentiens_fw-la of_o that_o animal_n be_v lose_v and_o no_o where_o when_o water_n be_v throw_v upon_o the_o coal_n of_o fire_n the_o vis_fw-fr ignea_fw-la that_fw-mi be_v in_o it_o be_v extinct_a and_o nullibi_fw-la and_o as_o it_o seem_v do_v not_o facessere_fw-la in_o elementum_fw-la common_a ignis_fw-la at_o least_o if_o it_o have_v not_o a_o special_a hypostasis_fw-la of_o its_o own_o to_o which_o it_o be_v unite_v and_o when_o the_o magnet_n be_v burn_v in_o the_o fire_n the_o vis_fw-fr magnetica_fw-la in_o it_o be_v extinct_a and_o the_o same_o be_v to_o be_v say_v of_o that_o other_o more_o ignoble_a principle_n of_o motion_n hereafter_o mention_v viz._n active_a quality_n and_o this_o as_o i_o think_v give_v we_o a_o true_a notion_n of_o the_o soul_n of_o brute_n the_o form_n of_o vegetable_n of_o fire_n and_o other_o substantial_a form_n below_o the_o humane_a soul_n if_o any_o shall_v ask_v i_o what_o i_o take_v the_o soul_n of_o a_o
but_o take_v notice_n of_o two_o extreme_n in_o the_o modern_a philosophy_n some_o be_v so_o whole_o intent_n upon_o vital_a and_o plastic_a principle_n that_o they_o contend_v even_o almost_o against_o all_o mechanical_a motion_n of_o body_n which_o i_o shall_v have_v occasion_n hereafter_o to_o meet_v with_o again_o other_o be_v so_o great_o take_v up_o with_o the_o thought_n of_o matter_n and_o mechanical_a motion_n that_o they_o whole_o exterminate_v any_o intrinsic_a principle_n of_o motion_n and_o resolve_v they_o whole_o into_o matter_n and_o its_o modification_n and_o mechanism_n and_o mechanical_a motion_n and_o therefore_o 1._o they_o suppose_v that_o there_o be_v no_o such_o thing_n as_o i_o call_v active_a form_n at_o least_o except_v the_o humane_a soul_n though_o some_o venture_v hard_a at_o that_o also_o but_o that_o all_o active_a form_n and_o their_o original_n be_v only_o various_a modification_n of_o matter_n as_o size_n figure_n position_n texture_n etc._n etc._n this_o i_o think_v be_v impossible_a to_o be_v true_a for_o though_o the_o modification_n of_o matter_n may_v give_v variety_n of_o accidental_a or_o external_a form_n natural_o arise_v from_o the_o texture_n of_o matter_n as_o figure_n colour_n etc._n etc._n and_o those_o various_a modification_n may_v in_o relation_n not_o only_o to_o the_o power_n of_o the_o sentient_a faculty_n but_o to_o other_o body_n make_v various_a impression_n as_o we_o see_v be_v do_v in_o some_o tangible_a effect_n as_o by_o smoothness_n roughness_n hardness_n softness_n sharpness_n bluntness_n and_o the_o like_a whereby_o sometime_o other_o body_n be_v affect_v yet_o they_o can_v never_o arrive_v to_o those_o great_a activity_n which_o we_o see_v in_o physical_a body_n as_o sense_n life_n primitive_a motion_n of_o several_a kind_n nor_o can_v be_v productive_a of_o the_o principle_n thereof_o for_o the_o modification_n of_o matter_n can_v never_o raise_v it_o to_o such_o a_o activity_n as_o of_o itself_o it_o be_v not_o capable_a of_o but_o require_v the_o union_n of_o some_o noble_a active_a entity_n to_o quicken_v and_o actuate_v it_o 2._o they_o suppose_v that_o all_o the_o most_o noble_a motion_n as_o well_o of_o sense_n as_o life_n in_o animal_n and_o vegetable_n be_v nothing_o else_o but_o mechanism_n and_o not_o from_o any_o intrinsic_a active_a principle_n which_o we_o usual_o call_v the_o sentient_a and_o vegetable_a soul_n nay_o some_o by_o a_o vain_a petulancy_n have_v go_v so_o far_o as_o to_o resolve_v the_o noble_a faculty_n and_o motion_n of_o the_o rational_a soul_n as_o intellection_n ratiocination_n and_o memory_n into_o a_o bare_a mechanism_n and_o modification_n and_o motion_n of_o particle_n of_o matter_n such_o extravagancy_n as_o these_o need_n no_o other_o confutation_n but_o our_o very_a sense_n in_o the_o observation_n of_o the_o curious_a property_n instinct_n operation_n and_o motion_n of_o the_o animal_n and_o vegetable_a soul_n and_o faculty_n and_o the_o unevident_a and_o unintelligible_a explication_n that_o these_o man_n offer_v for_o the_o support_n of_o their_o supposition_n which_o be_v not_o my_o business_n here_o at_o large_a to_o examine_v now_o touch_v the_o production_n of_o these_o active_a self-moving_a principle_n which_o i_o call_v vires_fw-la or_o virtutes_fw-la activae_fw-la 1._o as_o to_o their_o primitive_a institution_n and_o production_n there_o can_v possible_o as_o i_o think_v be_v assign_v any_o other_o than_o that_o constitution_n institution_n and_o communication_n which_o they_o receive_v from_o the_o great_a creator_n of_o all_o thing_n and_o that_o law_n which_o he_o annex_v and_o give_v they_o in_o their_o first_o formation_n 2._o but_o as_o to_o the_o subsequent_a and_o physical_a production_n of_o these_o active_a principle_n in_o the_o common_a and_o ordinary_a tract_n of_o nature_n they_o be_v various_a according_a to_o the_o method_n settle_v by_o the_o same_o divine_a law_n such_o as_o be_v generation_n the_o irradiation_n of_o the_o heaven_n and_o heavenly_a body_n especial_o the_o sun_n the_o various_a mixture_n of_o simple_a and_o compound_a body_n and_o therewith_o of_o their_o essential_a form_n and_o active_a quality_n whereby_o there_o arise_v many_o time_n such_o form_n and_o quality_n as_o be_v sometime_o call_v equivocal_a anomalous_a or_o of_o various_a modification_n but_o the_o origination_n of_o form_n and_o active_a quality_n be_v a_o large_a theme_n and_o not_o intend_v to_o be_v prosecute_v far_o by_o i_o in_o this_o place_n chap._n iii_o concern_v some_o other_o more_o universal_a or_o common_a cause_n assign_v of_o motion_n viz._n anima_fw-la mundi_fw-la spiritus_fw-la naturae_fw-la &_o principia_fw-la hylarchica_n to_o solve_v or_o give_v a_o account_n of_o divers_a motion_n in_o nature_n there_o have_v be_v those_o that_o not_o content_a with_o the_o particular_a inherent_a active_a principle_n in_o particular_a subject_n as_o be_v mention_v in_o the_o former_a chapter_n have_v suppose_v certain_o more_o catholic_n and_o indeed_o noble_a existence_n that_o manage_v the_o various_a phaenomena_n in_o the_o universe_n plato_n and_o his_o school_n and_o after_o he_o the_o arabian_a philosopher_n especial_o avicen_n suppose_v a_o intelligent_a nature_n subordinate_a to_o almighty_a god_n to_o preside_v and_o manage_v the_o universe_n which_o they_o call_v anima_fw-la mundi_fw-la as_o they_o assign_v one_o common_a intelligent_a nature_n and_o depute_v it_o to_o the_o excitation_n action_n and_o regiment_n of_o the_o humane_a soul_n in_o his_o intellective_a operation_n which_o they_o call_v intellectus_fw-la agens_fw-la other_o that_o have_v assign_v several_a systeme_n of_o the_o world_n each_o have_v a_o special_a province_n which_o they_o style_v vortices_fw-la or_o systemata_fw-la assign_v a_o certain_a common_a intelligent_a nature_n to_o be_v as_o it_o be_v the_o common_a soul_n of_o every_o particular_a vortex_n and_o thus_o our_o vortex_n who_o centre_n they_o suppose_v to_o be_v the_o sun_n and_o the_o term_n of_o extent_n to_o reach_v the_o remote_a limit_n of_o saturn_n and_o his_o orb_n have_v its_o anima_fw-la vorticis_fw-la for_o the_o regiment_n of_o the_o phaenomena_n and_o motion_n within_o that_o vortex_n other_o again_o have_v substitute_v another_o principle_n not_o altogether_o unlike_a the_o first_o but_o differ_v in_o name_n and_o some_o qualification_n this_o they_o call_v principium_fw-la hylarchicum_n and_o sometime_o spiritus_fw-la naturae_fw-la which_o though_o they_o make_v not_o a_o intelligent_a be_v yet_o they_o make_v it_o plastic_a vital_a incorporeal_a and_o possible_o sentient_a but_o howsoever_o accommodate_v to_o the_o regiment_n of_o matter_n in_o the_o best_a and_o most_o orderly_a and_o convenient_a way_n and_o this_o i_o take_v it_o they_o suppose_v a_o subordinate_a regent_n principle_n somewhat_o resemble_v the_o archaeus_n of_o helmont_n which_o be_v suppose_v a_o middle_a principle_n intervening_a between_o the_o soul_n of_o animal_n and_o their_o body_n and_o a_o immediate_a active_a instrument_n in_o its_o motion_n and_o operation_n if_o by_o this_o principium_fw-la hylarchicum_n these_o man_n will_v understand_v the_o sovereign_a creator_n and_o lord_n of_o the_o world_n as_o many_o of_o the_o ancient_n understand_v the_o anima_fw-la mundi_fw-la who_o be_v intimate_o present_a with_o all_o his_o work_n and_o by_o a_o continual_a influx_n support_v they_o in_o their_o be_v and_o motion_n according_a to_o the_o most_o wise_a law_n and_o institution_n that_o he_o have_v establish_v for_o they_o and_o fix_v in_o they_o or_o if_o by_o the_o spiritus_fw-la naturae_fw-la they_o understand_v those_o active_a essential_a virtue_n communicate_v to_o every_o create_v be_v by_o the_o glorious_a god_n and_o that_o statuminate_v law_n and_o order_n and_o method_n and_o oeconomy_n which_o he_o have_v give_v they_o and_o according_a to_o which_o those_o active_a principle_n which_o he_o have_v plant_v in_o they_o do_v exert_n and_o operate_v this_o will_v be_v ready_o agree_v to_o they_o as_o most_o rational_a and_o in_o a_o great_a measure_n evident_a not_o only_o to_o our_o reason_n but_o to_o our_o very_a sense_n and_o experience_n and_o the_o dispute_n about_o word_n will_v cease_v and_o be_v at_o rest_n but_o the_o substitution_n of_o such_o a_o vicarious_a immaterial_a common_a principle_n to_o regulate_v order_n excite_v and_o govern_v matter_n and_o its_o motion_n subordinate_a to_o almighty_a god_n a_o common_a spirit_n and_o different_a from_o the_o particular_a active_a principle_n various_o implant_v in_o physical_a body_n though_o it_o be_v a_o pleasant_a supposition_n yet_o it_o be_v difficult_a if_o not_o impossible_a to_o evince_v to_o any_o tolerable_a satisfaction_n only_o i_o must_v needs_o say_v that_o as_o supposition_n of_o this_o nature_n that_o be_v found_v upon_o notion_n be_v for_o the_o most_o part_n unaccessible_a by_o those_o common_a media_n whereby_o thing_n be_v to_o be_v prove_v to_o humane_a understanding_n so_o upon_o the_o same_o account_n they_o be_v difficult_a to_o be_v confute_v if_o any_o man_n shall_v tell_v
brute_n animal_n to_o be_v i_o shall_v say_v it_o consist_v of_o two_o essential_a part_n the_o one_o this_o active_a vis_fw-fr or_o virtus_fw-la sentiens_fw-la animalis_fw-la the_o root_n and_o fountain_n of_o all_o its_o motion_n of_o sensation_n perception_n fantasy_n appetition_n and_o local_a motion_n and_o the_o other_o be_v the_o immediate_a hypostasis_fw-la or_o substratum_fw-la in_o which_o this_o vis_fw-fr vitalis_n sentiens_fw-la primitive_o inexi_v and_o to_o which_o it_o be_v primitive_o unite_v and_o by_o which_o it_o communicate_v itself_o to_o the_o whole_a compositum_fw-la and_o these_o be_v some_o select_a crasis_n or_o portion_n of_o the_o animal_n spirit_n for_o the_o animal_n nature_n be_v a_o more_o curious_a piece_n than_o inferior_a subsistence_n and_o full_a of_o variety_n therefore_o there_o be_v a_o more_o elaborate_a and_o curious_a method_n of_o the_o union_n of_o its_o essential_o than_o in_o other_o and_o next_o to_o animal_n there_o be_v a_o more_o curious_a method_n of_o union_n and_o colligation_n of_o the_o virtus_n vitalis_n of_o vegetable_n to_o the_o more_o pure_a and_o subtle_a vital_a spirit_n or_o latex_n vitalis_n of_o vegetable_n but_o the_o vis_fw-fr ignea_fw-la and_o the_o vis_fw-fr magnetica_fw-la seem_v to_o be_v immediate_o unite_v to_o the_o whole_a fiery_a or_o magnetical_a mass_n but_o yet_o still_o the_o activity_n of_o both_o be_v owe_v not_o to_o the_o bare_a hypostasis_fw-la or_o substratum_fw-la wherein_o it_o be_v lodge_v but_o to_o that_o incorporeal_a force_n virtue_n or_o energy_n which_o act_v in_o it_o upon_o it_o and_o by_o it_o and_o upon_o this_o account_n aristotle_n be_v to_o be_v understand_v when_o in_o 1._o de_fw-fr anima_fw-la he_o style_v the_o soul_n of_o brute_n to_o be_v incorporeal_a and_o yet_o in_o other_o place_n call_v they_o substantial_a viz._n they_o be_v immaterial_a and_o incorporeal_a with_o relation_n to_o the_o vis_fw-fr or_o virtus_fw-la essentialis_fw-la activa_fw-la which_o be_v the_o regnant_a and_o noble_a part_n of_o they_o but_o they_o be_v substantial_a and_o not_o only_o so_o but_o material_a in_o relation_n to_o the_o prima_fw-la hypostasis_fw-la or_o primum_fw-la substratum_fw-la the_o animal_n spirit_n whereunto_o this_o vis_fw-fr activa_fw-la be_v unite_v or_o rather_o some_o nodus_fw-la or_o concrement_n of_o a_o refine_a substance_n which_o be_v as_o it_o be_v the_o root_n or_o focus_n of_o these_o spirit_n that_o like_o so_o many_o branch_n be_v derive_v from_o it_o through_o the_o nerve_n and_o by_o they_o communicate_v to_o the_o whole_a compositum_fw-la and_o although_o i_o do_v here_o industrious_o omit_v the_o examination_n of_o the_o nature_n of_o the_o humane_a or_o reasonable_a soul_n yet_o i_o can_v omit_v this_o special_a observation_n of_o the_o discrimination_n of_o the_o humane_a soul_n from_o the_o soul_n of_o brute_n viz._n that_o although_o the_o appropriate_a faculty_n of_o the_o sentient_a or_o animal_n soul_n be_v admit_v indefectible_a in_o themselves_o yet_o their_o prima_fw-la hypostasis_fw-la or_o immediate_a subject_n of_o their_o inexistence_n be_v corruptible_a and_o subject_a to_o dissipation_n but_o the_o appropriate_a power_n or_o faculty_n of_o the_o reasonable_a soul_n namely_o intellect_n and_o will_n be_v not_o only_o indefectible_a power_n but_o also_o the_o prima_fw-la hypostasis_fw-la or_o primum_fw-la substratum_fw-la of_o their_o inexistence_n be_v by_o the_o divine_a ordination_n a_o indefectible_a substratum_fw-la namely_o a_o pure_a immaterial_a and_o incorruptible_a substance_n and_o the_o union_n thereunto_o indissoluble_a whereby_o it_o come_v to_o pass_v that_o the_o humane_a soul_n be_v immortal_a and_o preserve_v both_o in_o its_o essence_n existence_n personality_n and_o in_o duration_n after_o the_o dissolution_n of_o the_o body_n 1._o it_o be_v virtus_n or_o vis_fw-fr be_v indefectible_a 2._o the_o prima_fw-la hypostasis_fw-la incorruptible_a 3._o the_o union_n of_o both_o indissoluble_a by_o natural_a power_n and_o thus_o far_o concern_v the_o first_o sort_n of_o active_a principle_n in_o self-moving_a automata_n 2._o the_o second_o sort_n of_o motive_n principle_n be_v active_a quality_n as_o they_o be_v common_o call_v which_o though_o possible_o some_o of_o they_o may_v be_v the_o same_o with_o the_o former_a essentiate_v active_a form_n yet_o some_o may_v be_v such_o as_o be_v of_o a_o second_o and_o more_o inferior_a allay_n as_o proceed_v from_o the_o primitive_a form_n themselves_o i_o shall_v instance_n in_o two_o only_a 1._o in_o that_o of_o heat_n 2._o in_o that_o of_o gravity_n as_o to_o the_o former_a it_o be_v evident_a that_o heat_n not_o only_o that_o which_o be_v so_o to_o the_o touch_n but_o be_v such_o virtual_o as_o in_o vegetable_n and_o mineral_n have_v a_o power_n of_o exciting_a motion_n both_o in_o the_o subject_a of_o its_o inexistence_n and_o in_o other_o subject_n as_o appear_v in_o the_o fermentation_n of_o liquor_n and_o other_o thing_n which_o be_v put_v into_o motion_n by_o that_o virtual_a heat_n that_o reside_v in_o its_o particle_n though_o not_o hot_a to_o the_o touch_n whether_o cold_a be_v of_o any_o positive_a nature_n and_o so_o have_v a_o positive_a activity_n of_o its_o own_o or_o whether_o it_o be_v a_o absence_n only_o of_o heat_n either_o total_o as_o in_o summè_fw-la frigidis_fw-la if_o any_o such_o be_v or_o partial_o according_a to_o the_o degree_n of_o heat_n abate_v or_o remove_v i_o shall_v not_o here_o dispute_v for_o i_o only_o propound_v some_o instance_n to_o render_v what_o i_o write_v intelligible_a 2._o as_o to_o gravity_n or_o that_o principle_n in_o heavy_a body_n that_o incline_v they_o ab_fw-la intrinseco_fw-la to_o descend_v this_o seem_v to_o be_v a_o quality_n of_o most_o tangible_a body_n that_o we_o converse_v with_o if_o not_o of_o all_o for_o some_o contend_v that_o there_o be_v no_o such_o thing_n in_o nature_n as_o simple_a levity_n at_o least_o in_o any_o thing_n but_o fire_n but_o only_o some_o body_n be_v minus_fw-la gravia_fw-la than_o other_o and_o urge_v to_o ascend_v by_o the_o pressure_n or_o circumpulsion_n of_o other_o body_n more_o heavy_a this_o be_v not_o my_o business_n at_o this_o time_n to_o examine_v this_o gravity_n i_o take_v to_o be_v a_o quality_n intrinsic_a to_o heavy_a body_n at_o least_o in_o our_o inferior_a system_n of_o the_o world_n gravitation_n which_o be_v a_o kind_n of_o second_o act_n may_v not_o altogether_o improper_o be_v apply_v to_o motion_n of_o different_a termination_n because_o it_o seem_v to_o be_v only_o nisus_fw-la or_o conatus_fw-la ad_fw-la motum_fw-la which_o may_v have_v different_a termination_n viz._n upward_o or_o downward_o or_o lateral_o and_o arise_v from_o different_a cause_n but_o gravity_n itself_o as_o it_o import_v a_o disposition_n propension_n or_o inclination_n in_o heavy_a body_n to_o descend_v be_v not_o unfit_o style_v a_o quality_n and_o a_o intrinsic_a quality_n for_o we_o may_v observe_v in_o the_o motion_n of_o natural_a body_n some_o be_v from_o a_o extrinsical_a cause_n or_o accidental_a sometime_o arise_v from_o the_o pressure_n of_o other_o body_n sometime_o from_o the_o position_n of_o the_o body_n themselves_o as_o water_n will_v be_v drive_v up_o perpendicular_o by_o a_o forcer_n as_o in_o water-engine_n it_o will_v move_v collateral_o or_o per_fw-la declive_a by_o reason_n of_o its_o own_o fluid_a nature_n or_o by_o its_o position_n upon_o a_o decline_a plain_n but_o when_o all_o obstacle_n of_o that_o nature_n be_v remove_v a_o heavy_a body_n as_o such_o will_v move_v by_o a_o right_a line_n to_o the_o centre_n from_o that_o inherent_a quality_n of_o gravity_n which_o be_v intrinsic_a to_o it_o and_o put_v it_o into_o motion_n so_o that_o i_o be_o unjust_o blame_v for_o say_v gravity_n be_v a_o quality_n incline_v body_n to_o descend_v to_o the_o centre_n and_o yet_o at_o the_o same_o time_n say_v that_o it_o be_v not_o improper_a to_o say_v that_o thing_n may_v gravitate_fw-la upward_a or_o lateral_o as_o well_o as_o downward_o for_o when_o heavy_a body_n have_v another_o termination_n than_o downward_o it_o be_v by_o reason_n of_o some_o other_o intervention_n of_o some_o external_a cause_n or_o from_o some_o other_o property_n in_o body_n accompany_v their_o gravity_n as_o fluidity_n in_o water_n or_o air_n which_o give_v they_o a_o nisus_n ad_fw-la motum_fw-la which_o be_v gravitation_n of_o a_o differ_a termination_n from_o that_o of_o body_n pure_o consider_v as_o heavy_a but_o when_o the_o motion_n proceed_v simple_o and_o sole_o from_o that_o active_a quality_n of_o gravity_n its_o nisus_fw-la ad_fw-la motum_fw-la which_o be_v its_o gravitation_n be_v simple_o in_o linea_fw-la recta_fw-la ad_fw-la centrum_fw-la which_o i_o often_o call_v a_o central_a motion_n or_o direction_n this_o any_o fair_a remarker_n may_v have_v easy_o see_v without_o charge_v the_o second_o chapter_n of_o the_o essay_n with_o a_o contradiction_n where_o indeed_o there_o be_v none_o and_o therefore_o in_o this_o place_n i_o can_v choose_v
air_n will_v be_v all_o one_o and_o so_o they_o fall_v in_o with_o the_o vacuist_n therefore_o upon_o the_o whole_a matter_n it_o seem_v more_o agreeable_a both_o to_o nature_n sense_n and_o reason_n that_o in_o the_o first_o production_n of_o body_n homogeneal_a whether_o by_o creation_n by_o almighty_a god_n or_o by_o generation_n according_a to_o his_o institute_v law_n of_o nature_n the_o consistency_n of_o thing_n and_o their_o several_a texture_n to_o be_v the_o immediate_a effect_n of_o their_o first_o production_n and_o that_o they_o consist_v of_o part_n in_o union_n and_o not_o separate_v till_o actual_a separation_n and_o that_o these_o part_n be_v of_o the_o like_a consistence_n and_o texture_n with_o the_o whole_a in_o body_n homogeneal_a as_o in_o air_n and_o in_o water_n and_o not_o of_o part_n or_o principle_n quite_o of_o another_o consistence_n and_o frame_n from_o the_o whole_a all_o the_o part_n of_o the_o air_n to_o be_v air_n but_o yet_o some_o air_n or_o air_n at_o some_o time_n more_o subtle_a than_o other_o and_o so_o for_o water_n and_o therefore_o all_o this_o apparatus_fw-la of_o atom_n and_o globuli_fw-la and_o minute_n particle_n be_v not_o of_o thing_n that_o ever_o real_o exi_v but_o only_o the_o creature_n and_o fiction_n of_o the_o brain_n but_o if_o we_o shall_v admit_v of_o any_o one_o common_a material_a principle_n of_o physical_a body_n it_o be_v most_o consonant_a both_o to_o the_o doctrine_n of_o the_o scripture_n and_o to_o some_o of_o the_o ancient_a philosopher_n that_o it_o shall_v be_v water_n 1._o thus_o it_o be_v declare_v in_o that_o admirable_a narrative_n of_o the_o creation_n the_o first_o distinct_a body_n we_o find_v mention_v be_v the_o water_n 2._o this_o be_v the_o opinion_n of_o the_o learned_a thales_n milesius_n and_o other_o of_o the_o ancient_n exit_fw-la aqua_fw-la omne_fw-la 3._o the_o accommodation_n of_o water_n to_o the_o production_n of_o other_o body_n by_o the_o transmutation_n of_o its_o texture_n speak_v much_o for_o it_o to_o be_v the_o common_a principle_n of_o material_a body_n 1._o it_o be_v productive_a of_o consistence_n rare_a and_o more_o subtle_a than_o itself_o as_o vapour_n fume_n yea_o and_o of_o the_o very_a air_n itself_o by_o the_o mean_n of_o activity_n of_o heat_n 2._o it_o be_v productive_a of_o thing_n more_o crass_a and_o solid_a than_o itself_o as_o leave_n fruit_n wood_n shell_n stone_n which_o we_o see_v arise_v from_o certain_a concretion_n single_o of_o water_n 3._o it_o be_v productive_a of_o consistence_n that_o have_v great_a tenaciousness_n and_o connexion_n than_o itself_o as_o we_o see_v in_o the_o production_n of_o the_o nerve_n tunicle_n tendon_n muscle_n of_o animal_n which_o be_v at_o first_o but_o certain_a waterish_a concrement_n digest_v by_o the_o animal_n heat_n into_o those_o ligament_n and_o in_o the_o tough_a and_o strong_a bark_n and_o filament_n of_o vegetable_n in_o their_o trunk_n rind_n etc._n etc._n which_o be_v at_o first_o but_o a_o kind_n of_o limpid_a juice_n or_o water_n suck_v up_o into_o the_o body_n of_o vegetable_n and_o that_o even_o where_o it_o have_v no_o other_o visible_a nutriment_n but_o simple_a water_n 4._o in_o the_o dissolution_n of_o body_n either_o artificial_o or_o natural_o they_o seem_v most_o ready_o to_o reassume_v a_o waterish_a consistence_n water_n therefore_o seem_v more_o accommodate_v to_o be_v the_o common_a material_a principle_n much_o rather_o than_o these_o imaginable_a atom_n though_o i_o take_v not_o upon_o i_o positive_o to_o determine_v it_o chap._n viii_o further_o consideration_n concern_v the_o deficiency_n of_o this_o second_o solution_n in_o relation_n to_o rarefaction_n and_o condensation_n and_o the_o supplement_n that_o have_v be_v devise_v to_o enforce_v or_o supply_v it_o in_o the_o last_o chapter_n i_o have_v consider_v the_o improbability_n of_o the_o supposition_n in_o general_n i_o shall_v now_o set_v down_o those_o reason_n and_o evidence_n which_o render_v the_o whole_a supposition_n utter_o inapplicable_a to_o the_o phaenomena_n of_o rarefaction_n and_o condensation_n 1._o as_o to_o rarefaction_n the_o intromission_n of_o these_o foreign_a particle_n of_o matter_n to_o supply_v the_o suppose_a separation_n of_o the_o particle_n of_o the_o air_n or_o other_o body_n rarefy_v it_o be_v not_o possible_o consistent_a with_o that_o motion_n which_o rarefy_a body_n have_v in_o the_o time_n of_o their_o rarefaction_n which_o be_v most_o apparent_o expulsive_a of_o any_o foreign_a matter_n and_o not_o receptive_a of_o it_o take_v a_o corn_n of_o gunpowder_n and_o give_v it_o fire_n it_o turn_v in_o a_o moment_n to_o a_o body_n of_o flame_n above_o 1000_o time_n large_a than_o itself_o it_o drive_v away_o the_o conterminous_a air_n from_o it_o and_o if_o it_o be_v a_o good_a quantity_n of_o powder_n it_o will_v break_v the_o window_n wall_n and_o contignation_n next_o to_o it_o and_o this_o do_v in_o a_o moment_n and_o in_o the_o moment_n of_o its_o expansion_n be_v it_o imaginable_a to_o any_o man_n that_o think_v twice_o that_o in_o that_o moment_n of_o its_o expansion_n when_o it_o drive_v all_o before_o it_o and_o from_o it_o this_o subtilissima_fw-la materia_fw-la which_o be_v so_o subtle_a and_o delicate_a shall_v have_v admission_n and_o admission_n in_o that_o moment_n to_o make_v good_a a_o expansion_n of_o such_o a_o extent_n nature_n and_o quality_n again_o when_o air_n in_o a_o vessel_n be_v bring_v near_o the_o fire_n and_o warm_v by_o this_o heat_n the_o air_n be_v expanded_a and_o a_o great_a part_n of_o it_o drive_v out_o of_o the_o vessel_n and_o if_o the_o vessel_n be_v close_o it_o will_v break_v from_o the_o dilatation_n within_o so_o that_o in_o all_o this_o rarefaction_n the_o air_n and_o all_o the_o particle_n of_o it_o and_o within_o it_o have_v a_o pressure_n outward_a not_o any_o motion_n of_o receptiveness_n of_o any_o thing_n from_o without_o and_o therefore_o must_v necessary_o drive_v away_o those_o gentle_a particle_n of_o materia_fw-la subtilissima_fw-la and_o can_v never_o admit_v they_o in_o the_o act_n of_o rarefaction_n do_v by_o heat_n 2._o it_o be_v a_o very_a hard_a supposal_n that_o the_o subtle_a matter_n shall_v pass_v through_o the_o most_o impervious_a body_n as_o glass_n brass_n yea_o gold_n itself_o for_o the_o supply_n of_o the_o interstitia_fw-la of_o tense_n or_o rarefy_a body_n as_o it_o must_v according_a to_o this_o supposition_n but_o 3._o it_o be_v not_o only_o difficult_a to_o believe_v it_o but_o the_o contrary_a thereof_o be_v most_o apparent_o evident_a to_o the_o very_a sense_n especial_o in_o the_o magdeburg_n hemisphere_n describe_v cap._n 18._o nugarum_fw-la if_o you_o take_v the_o two_o brass_n hemisphere_n there_o describe_v and_o by_o heat_n rarefie_v the_o air_n in_o they_o then_o clap_v they_o together_o in_o the_o manner_n there_o describe_v when_o the_o include_v heat_n be_v spend_v they_o will_v cohere_v so_o strong_a together_o that_o 30_o l._n weight_n will_v not_o sever_v they_o but_o let_v they_o receive_v a_o moderate_a heat_n again_o from_o the_o fire_n or_o let_v there_o be_v a_o hole_n no_o big_a than_o the_o point_n of_o a_o needle_n to_o let_v in_o any_o foreign_a air_n they_o will_v be_v quick_o sever_v for_o the_o tension_n which_o the_o include_v particle_n of_o air_n do_v gain_v by_o their_o motion_n of_o restitution_n and_o motus_fw-la nexus_fw-la be_v thereby_o relax_v and_o it_o be_v observable_a that_o these_o hemisphere_n if_o they_o be_v keep_v from_o heat_n or_o perforation_n they_o will_v remain_v in_o this_o posture_n of_o cohesion_n a_o hour_n nay_o possible_o a_o day_n or_o week_n or_o more_o now_o if_o this_o subtle_a matter_n which_o must_v be_v the_o mean_n of_o rarefaction_n or_o extension_n according_a to_o the_o cartesian_a supposition_n pervade_v the_o vessel_n so_o easy_o how_o come_v it_o to_o pass_v that_o it_o be_v keep_v in_o this_o straight_a prison_n without_o avolation_n through_o the_o brass_n hemisphere_n or_o rather_o why_o do_v not_o a_o great_a quantity_n thereof_o pervade_v the_o brass_n hemisphere_n all_o this_o while_n and_o release_v the_o air_n from_o its_o hard_a tension_n by_o separate_v thereby_o the_o hemisphere_n and_o so_o restore_v the_o air_n in_o all_o part_n to_o its_o just_a and_o natural_a texture_n and_o position_n and_o certain_o if_o the_o spirit_n of_o nature_n or_o hylarchical_a principle_n have_v any_o thing_n to_o do_v in_o matter_n of_o this_o nature_n or_o be_v effective_a in_o it_o here_o be_v a_o proper_a business_n and_o exercise_n for_o it_o but_o we_o see_v that_o without_o perforation_n or_o accession_n of_o heat_n nothing_o of_o such_o relaxation_n be_v effect_v notwitstand_v the_o great_a stress_n that_o the_o air_n be_v under_o in_o the_o hemisphere_n and_o which_o yet_o will_v be_v inevitable_o relax_v if_o a_o considerable_a portion_n of_o subtle_a matter_n do_v penetrate_v through_o the_o hemisphere_n