Galilei, Galileo
,
The systems of the world
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1661
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ponent himſelf, whilſt he will make the
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Firſt Mover
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to hurry
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along with it all the inferiour Spheres, contrary to the motion
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which they themſelves at the ſame time exerciſe. </
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>It belongs
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fore to the
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Primum Mobile
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to grow weary, which beſides the
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moving of its ſelf is made to carry ſo many other Spheres, and
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which alſo ſtrive againſt it with a contrary motion. </
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>So that
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the ultimate concluſion that the Authour inferred, ſaying, that
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diſcourſing of the effects of Nature, a man alwayes meets with
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things that favour the opinion of
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Ariſtoile
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and
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Ptolomy,
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and
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ver any one that doth not interfer with
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Copernicus,
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ſtands in need
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of great conſideration; and it is better to ſay, that one of theſe
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two
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Hypotheſes
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being true, and the other neceſſarily falſe, it is
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impoſſible that a man ſhould ever be able to finde any
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ment, experience, or right reaſon, in favour of that which is
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falſe, like as to the truth none of theſe things can be repugnant.
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>Vaſt difference, therefore, muſt needs be found between the
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ſons and arguments produced by the one and other party, for and
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againſt theſe two opinions, the force of which I leave you your
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ſelf to judge of,
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Simplicius.
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The argument
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of
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Claramontius
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recoileth upon
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ſelf.
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True
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ons meet with
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ny concluſive
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guments, ſo do not
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the falſe.
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>SALV. </
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>But you,
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Sagredus,
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being tranſported by the velocity
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of your wit, have taken my words out of my mouth, whilſt I was
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about to ſay ſomething, touching this laſt argument of the Author;
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and although you have more then ſufficiently refuted him, yet
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nevertheleſſe I will adde ſomewhat, which then ran in my minde.
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>He propoſeth it as a thing very unlikely, that a body diſſipable
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and corruptible, as the Earth, ſhould perpetually move with a
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gular motion, cſpecially for that we ſee living creatures in the end
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to grow weary, and to ſtand in need of reſt: and the improbability
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is increaſed, in that the ſaid motion is required to be of velocity
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incomparable and immenſe, in reſpect to that of animals. </
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>Now, I
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cannot ſee why the velocity of the Earth ſhould, at preſent,
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ble it; ſo long as that of the ſtarry Sphere ſo very much bigger
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doth not occaſion in it any diſturbance more conſiderable, than that
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which the velocity of a machine, that in 24 hours maketh but one
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ſole revolution, produceth in the ſame. </
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>If the being of the
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city of the Earths converſion, according to the model of that
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chine, inferreth things of no greater moment than that, let the
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thor ceaſe to fear the Earths growing weary; for that not one of
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the moſt feeble and ſlow-pac't animals, no not a Chamæleon would
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tire in moving no more than ^{*} four or five yards in 24 hours; but
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if he pleaſe to conſider the velocity to be no longer, in relation to
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the model of the machine, but abſolutely, and inaſmuch as the
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moveable in 24 hours is to paſs a very great ſpace, he ought to ſhew
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himſelf ſo much more reſerved in granting it to the ſtarry Sphere,
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which with a velocity incomparably greater than that of the </
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