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a_o glass_n of_o a_o certain_a figure_n will_v make_v a_o counter_a or_o a_o shilling_n seem_v twenty_o though_o you_o be_v well_o assure_v there_o be_v but_o one_o and_o if_o you_o set_v a_o mark_n upon_o it_o you_o will_v find_v the_o mark_n upon_o they_o all_o the_o counter_n be_v certain_o one_o of_o those_o thing_n we_o call_v body_n be_v not_o the_o other_o so_o too_o a._n no_o without_o doubt_n for_o look_v through_o a_o glass_n can_v make_v they_o real_o more_o than_o they_o be_v b._n what_o then_o be_v they_o but_o fancy_n so_o many_o fancy_n of_o one_o and_o the_o same_o thing_n in_o several_a place_n a._n it_o be_v manifest_a they_o be_v so_o many_o idol_n mere_a nothing_o b._n when_o you_o have_v look_v upon_o a_o star_n or_o candle_n with_o both_o your_o eye_n but_o one_o of_o they_o a_o little_a turn_v awry_o with_o your_o finger_n have_v not_o there_o appear_v two_o star_n or_o two_o candle_n and_o though_o you_o call_v it_o a_o deception_n of_o the_o sight_n you_o can_v 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cause_n of_o a_o square_a figure_n or_o that_o heaviness_n be_v the_o cause_n that_o make_v heavy_a body_n to_o descend_v but_o that_o be_v not_o the_o cause_n you_o seek_v for_o nor_o any_o thing_n but_o this_o it_o descend_v because_o it_o descend_v the_o three_o be_v the_o material_a cause_n as_o when_o they_o say_v the_o wall_n and_o roof_n etc._n etc._n of_o a_o house_n be_v the_o cause_n of_o a_o house_n the_o four_o be_v the_o final_a cause_n and_o have_v place_n only_o in_o moral_a philosophy_n a._n we_o will_v think_v of_o final_a cause_n upon_o some_o other_o occasion_n of_o formal_a and_o material_a not_o at_o all_o i_o seek_v only_o the_o efficient_a and_o how_o it_o act_v from_o the_o begin_n to_o the_o production_n of_o the_o effect_n b._n i_o say_v then_o that_o in_o the_o first_o place_n you_o be_v to_o inquire_v diligent_o into_o the_o nature_n of_o motion_n for_o the_o variation_n of_o fancy_n or_o which_o be_v the_o same_o thing_n of_o the_o phaenomena_n of_o 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thing_n former_o see_v or_o by_o any_o other_o sense_n perceive_v which_o be_v my_o supposition_n i_o think_v he_o will_v be_v in_o the_o dark_a for_o darkness_n be_v darkness_n whether_o it_o be_v black_a or_o blue_a to_o he_o that_o can_v distinguish_v a._n howsoever_o that_o be_v it_o be_v evident_a enough_o that_o whatsoever_o work_v be_v move_v for_o action_n be_v motion_n b._n have_v well_o consider_v the_o nature_n of_o motion_n you_o must_v thence_o take_v your_o principle_n for_o the_o foundation_n and_o beginning_n of_o your_o enquiry_n a._n as_o how_o b._n explain_v as_o full_o and_o as_o brief_o as_o you_o can_v what_o you_o constant_o mean_v by_o motion_n which_o will_v save_v yourself_o as_o well_o as_o other_o from_o be_v seduce_v by_o aequivocation_n a._n then_o i_o say_v motion_n be_v nothing_o but_o change_v of_o place_n for_o all_o the_o effect_n of_o a_o body_n upon_o the_o organ_n of_o our_o sense_n be_v nothing_o but_o fancy_n therefore_o we_o can_v fancy_v 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understand_v not_o their_o own_o word_n for_o penetration_n signify_v it_o not_o my_o second_o axiom_n be_v that_o nothing_o can_v begin_v change_n or_o put_v a_o end_n to_o its_o own_o motion_n for_o suppose_v it_o begin_v just_a now_o or_o be_v now_o in_o motion_n change_v its_o way_n or_o stop_n i_o require_v the_o cause_n why_o now_o rather_o than_o before_o or_o after_o have_v all_o that_o be_v necessary_a to_o such_o motion_n change_n or_o rest_v alike_o at_o all_o time_n a._n i_o do_v not_o doubt_v but_o the_o argument_n be_v good_a in_o body_n inanimate_a but_o perhaps_o in_o voluntary_a agent_n it_o do_v not_o hold_v b._n how_o it_o hold_v in_o voluntary_a agent_n we_o will_v then_o consider_v when_o our_o method_n have_v bring_v we_o to_o the_o power_n and_o passion_n of_o the_o mind_n a_o three_o axiom_n shall_v be_v this_o whatsoever_o body_n be_v at_o rest_n be_v afterward_o move_v have_v for_o its_o immediate_a movent_fw-la some_o other_o body_n which_o be_v in_o motion_n 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inclination_n which_o that_o you_o may_v the_o better_o conceive_v draw_v a_o four_o 4._o figure_n wherein_o let_v there_o be_v a_o circle_n to_o represent_v the_o terrella_n that_o be_v to_o say_v a_o spherical_a magnet_n a._n let_v this_o be_v it_o who_o centre_n be_v a_o the_o north_n pole_n b_o the_o south_n pole_n c._n b._n join_v b_o c_o and_o cross_v it_o at_o right_a angle_n with_o the_o diameter_n d_o e._n a._n it_o be_v do_v b._n upon_o the_o point_n d_o set_v the_o needle_n parallel_v to_o b_o c_o with_o the_o cross_n for_o the_o south_n pole_n and_o the_o barb_n for_o the_o north_n and_o describe_v a_o square_a about_o the_o circle_n b_o d_o c_o e_o and_o divide_v the_o arch_n d_o b_o into_o four_z equal_a part_n in_o a_o b_o c._n a._n it_o be_v do_v b._n then_o place_v the_o middle_n of_o the_o needle_n on_o the_o point_v a_o b_o c_o so_fw-mi that_o they_o may_v free_o turn_v and_o set_v the_o barb_n which_o be_v at_o d_o towards_o the_o north_n and_o that_o which_o be_v 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not_o declare_v in_o what_o that_o resistance_n consist_v b._n i_o suppose_v it_o proceed_v from_o the_o hardness_n a._n but_o from_o thence_o it_o will_v follow_v that_o all_o transparent_a body_n that_o equal_o refract_v be_v equal_o hard._n which_o i_o think_v be_v not_o true_a because_o the_o refraction_n of_o glass_n be_v not_o great_a at_o least_o in_o comparison_n of_o their_o hardness_n than_o that_o of_o water_n b._n i_o confess_v it_o therefore_o i_o think_v we_o must_v take_v in_o gravity_n to_o a_o share_n in_o the_o production_n of_o this_o refraction_n for_o i_o never_o consider_v refraction_n but_o in_o glass_n because_o my_o business_n then_o be_v only_o to_o find_v the_o cause_n of_o the_o phaenomena_n of_o telescope_n and_o microscope_n let_v therefore_o a_o b_o in_o fig._n 7._o be_v a_o hard_a and_o consequent_o a_o heavy_a body_n and_o from_o above_o as_o from_o the_o sun_n let_v c_o a_o be_v the_o line_n of_o incidence_n and_o produce_v to_o d._n and_o draw_v a_o e_o perpendicular_a to_o a_o b._n it_o be_v manifest_a that_o the_o hardness_n in_o a_o b_o shall_v turn_v the_o stream_n of_o the_o light_a inward_o towards_o a_o e_o suppose_v in_o the_o line_n a_o e._n it_o be_v also_o evident_a that_o the_o endeavour_n in_o b_o which_o be_v be_v heavy_a downward_o shall_v turn_v the_o stream_n again_o inward_a towards_o a_o e_o as_o in_o a_o b._n thus_o it_o be_v in_o refraction_n from_o the_o sun_n downward_o in_o like_a manner_n if_o the_o light_n come_v from_o below_o as_o from_o a_o candle_n in_o the_o point_n d_o the_o line_n of_o incidence_n will_v be_v d_o a_o and_o produce_v will_v pass_v to_o c._n and_o the_o resistance_n of_o the_o hardness_n in_o a_o will_v turn_v the_o stream_n a_o c_o inward_a suppose_v into_o b_o l_o and_o make_v c_o l_o equal_a to_n d_o e._n for_o pass_v into_o a_o thin_a medium_fw-la it_o will_v depart_v from_o the_o perpendicular_a in_o a_o angle_n equal_a to_o the_o angle_n d_o a_o e_o by_o which_o it_o come_v 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quantity_n of_o the_o whole_a be_v easy_o measure_v in_o a_o diaphanous_a body_n give_v and_o both_o you_o and_o mr._n warner_n have_v demonstrate_v that_o as_o the_o sine_fw-la of_o the_o angle_n refract_v in_o one_o inclination_n be_v to_o the_o sine_fw-la of_o the_o angle_n refract_v in_o another_o inclination_n so_o be_v the_o sine_fw-la of_o one_o inclination_n to_o the_o sine_fw-la of_o the_o angle_n of_o the_o other_o inclination_n which_o demonstration_n be_v both_o publish_v by_o mersennus_n in_o the_o end_n of_o the_o first_o volume_n of_o his_o cogitata_fw-la physico-mathematica_a but_o since_o there_o be_v many_o body_n through_o which_o though_o there_o pass_v light_a enough_o yet_o no_o object_n appear_v through_o they_o to_o the_o eye_n what_o be_v the_o reason_n of_o that_o b._n you_o mean_v paper_n for_o paper-window_n will_v enlighten_v a_o room_n and_o yet_o not_o show_v the_o image_n of_o a_o object_n without_o the_o room_n but_o it_o be_v because_o there_o be_v 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work_v still_o and_o when_o and_o where_o and_o what_o he_o please_v beside_o it_o be_v very_o hard_a to_o believe_v that_o to_o produce_v male_a and_o female_a and_o all_o that_o belong_v thereto_o as_o also_o the_o several_a and_o curious_a organ_n of_o sense_n and_o memory_n can_v be_v the_o work_n of_o any_o thing_n that_o have_v not_o understanding_n from_o whence_o i_o think_v we_o may_v conclude_v that_o whatsoever_o be_v make_v after_o the_o creation_n be_v a_o new_a creature_n make_v by_o god_n no_o therwise_o than_o the_o first_o creature_n be_v except_v only_o man._n a._n they_o be_v then_o in_o a_o error_n that_o think_v there_o be_v no_o more_o different_a kind_n of_o animal_n in_o the_o world_n now_o than_o there_o be_v in_o the_o ark_n of_o noah_n b._n yes_o doubtless_o for_o they_o have_v no_o text_n of_o scripture_n from_o which_o it_o can_v be_v prove_v a._n the_o question_n of_o nature_n which_o i_o can_v yet_o propound_v be_v innumerable_a and_o since_o i_o can_v 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