Galilei, Galileo, The systems of the world, 1661

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              <s>
                <pb xlink:href="065/01/038.jpg" pagenum="32"/>
              the laſt place, thoſe, by which others may be perſwaded, that the
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              Earth is no leſs than the Moon, or any other Planet to be
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              bered amongſt natural bodies that move circularly.</s>
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              <s>SAGR. </s>
              <s>I ſhall the more willingly incline to this, in that I am
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              better ſatisfied with your Architectonical and general diſcourſe,
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              than with that of
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              Ariſtotle,
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              for yours convinceth me without the
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              leaſt ſcruple, and the other at every ſtep croſſeth my way with
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              ſome block. </s>
              <s>And I ſee no reaſon why
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              Simplicius
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              ſhould not be
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              preſently ſatisfied with the Argument you alledg, to prove that
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              there can be no ſuch thing in nature as a motion by a right line,
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              if we do but preſuppoſe that the parts of the Univerſe are
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              ſed in an excellent conſtitution and perfect order.</s>
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              <s>SALV. </s>
              <s>Stay a little, good
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              Sagredus,
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              for juſt now a way comes
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              into my mind, how I may give
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              Simplicius
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              ſatisfaction, provided
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              that he will not be ſo ſtrictly wedded to every expreſſion of
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              riſtotle,
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              as to hold it hereſie to recede in any thing from him. </s>
              <s>Nor
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              is there any queſtion to be made, but that if we grant the
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              lent diſpoſition and perfect order of the parts of the Univerſe,
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              as to local ſcituation, that then there is no other but the circular
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              motion, and reſt; for as to the motion by a right line, I ſee not
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              how it can be of uſe for any thing, but to reduce to their natural
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              conſtitution, ſome integral bodies, that by ſome accident were
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              mov'd and ſeparated from their whole, as we ſaid above.</s>
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              <s>Let us now conſider the whole Terreſtrial Globe, and enquire
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              the beſt we can, whether it, and the other Mundane bodies are to
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              conſerve themſelves in their perfect and natural diſpoſition. </s>
              <s>It
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              is neceſſary to ſay, either that it reſts and keeps perpetually
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              moveable in its place; or elſe that continuing always in its place,
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              it revolves in its ſelf; or that it turneth about a Centre, moving
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                <arrow.to.target n="marg94"/>
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              by the circumference of a circle. </s>
              <s>Of which accidents, both
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              ſtotle
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              and
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              Ptolomey,
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              and all their followers ſay, that it hath ever
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              obſerved, and ſhall continually keep the firſt, that is, a perpetual
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                <arrow.to.target n="marg95"/>
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              reſt in the ſame place. </s>
              <s>Now, why, I pray you, ought they not
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              to have ſaid, that its natural affection is to reſt immoveable,
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              ther than to make natural unto it the motion ^{*} downwards, with
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              which motion it never did or ſhall move? </s>
              <s>And as to the motion
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                <arrow.to.target n="marg96"/>
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              by a right line, they muſt grant us that Nature maketh uſe of it
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              to reduce the ſmall parts of the Earth, Water, Air, Fire, and every
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              other integral Mundane body to their
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              Whole,
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              when any of them
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              by chance are ſeparated, and ſo tranſported out of their proper
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              place; if alſo haply, ſome circular motion might not be found
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              to be more convenient to make this reſtitution. </s>
              <s>In my
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              ment, this primary poſition anſwers much better, even according
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              to
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              Ariſtotles
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              own method, to all the other conſequences, than
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              to attribute the ſtraight motion to be an intrinſick and natural </s>
            </p>
          </chap>
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    </archimedes>
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