Galilei, Galileo, The systems of the world, 1661

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              <s>
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              gin to produce thoſe difficulties that ſeem in his opinion, to thwart
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              this new diſpoſition of the World.</s>
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              <s>SIMPL. </s>
              <s>That diſpoſition is not new, but very old, and that
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              you may ſee it is ſo,
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              Ariſtotle
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              confuteth it; and his confutations
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              are theſe: “Firſt if the Earth moveth either in it felf about its
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                <arrow.to.target n="marg275"/>
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              own Centre, or in an Excentrick Circle, it is neceſſary that that
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              ſame motion be violent; for it is not its natural motion, for
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              if it were, each of its parts would partake thereof; but each
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              of them moveth in a right line towards its Centre. </s>
              <s>It being
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              therefore violent and pteternatural, it could never be
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              al: But the order of the World is perpetual. </s>
              <s>Therefore,
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              &c.
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              Secondly, all the other moveables that move circularly, ſeem
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              to ^{*} ſtay behind, and to move with more than one motion, the
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                <arrow.to.target n="marg276"/>
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                <emph type="italics"/>
              Primum Mobile
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              excepted: Whence it would be neceſſary that
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              the Earth alſo do move with two motions; and if that ſhould
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              be ſo, it would inevitably follow, that mutations ſhould be
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              made in the Fixed Stars, the which none do perceive; nay
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              without any variation, the ſame Stars alwayes riſe from towards
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              the ſame places, and in the ſame places do ſet. </s>
              <s>Thirdly, the
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              tion of the parts is the ſame with that of the whole, and
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              ly tendeth towards the Centre of the Univerſe; and for the ſame
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              cauſe reſt, being arrived thither. </s>
              <s>He thereupon moves the
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              ſtion whether the motion of the parts hath a tendency to the
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              centre of the Univerſe, or to the centre of the Earth; and
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              deth that it goeth by proper inſtinct to the centre of the Univerſe,
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              and
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              per accidence
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              to that of the Earth; of which point we largely
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              diſcourſed yeſterday. </s>
              <s>He laſtly confirmeth the ſame with a fourth
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              argument taken from the experiment of grave bodies, which
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              ing from on high, deſcend perpendicularly unto the Earthsſurface;
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              and in the ſame manner
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              Projections
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              ſhot perpendicularly upwards,
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              do by the ſame lines return perpendicularly down again, though
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              they were ſhot to a very great height. </s>
              <s>All which arguments
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              ſarily prove their motion to be towards the Centre of the Earth,
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              which without moving at all waits for, and receiveth them. </s>
              <s>He
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              intimateth in the laſt place that the Aſtronomers alledg other
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              reaſons in confirmation of the ſame concluſions, I mean of the
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              Earths being in the Centre of the Univerſe, and immoveable;
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              and inſtanceth onely in one of them, to wit, that all the
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              nomena
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              or appearances that are ſeen in the motions of the Stars,
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              perfectly agree with the poſition of the Earth in the Centre;
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              which would not be ſo, were the Earth ſeated otherwiſe.
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              </s>
              <s>The reſt produced by
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              Ptolomy
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              and the other Aſtronomers, I can
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              give you now if you pleaſe, or after you have ſpoken what you
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              have to ſay in anſwer to theſe of
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              Ariſtotle.”
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              </s>
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            <p type="margin">
              <s>
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              Ariſtotles
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              guments for the
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              Earths quieſſence.
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              </s>
            </p>
            <p type="margin">
              <s>
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              *
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              Reſtino indietzo,
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              which is meant
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              here of that
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              on which a bowl
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              makes when its
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              born by its by as to
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              one ſide or other,
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              and ſo hindered in
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              its direct motion.</s>
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            <p type="main">
              <s>SALV. </s>
              <s>The arguments which are brought upon this occaſion </s>
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          </chap>
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    </archimedes>
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