Galilei, Galileo, The systems of the world, 1661

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              <s>
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              may be aſligned to the Univerſe, we ſhall rather find the Sun
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              placed in it, as by the ſequel you ſhall underſtand.</s>
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            <p type="margin">
              <s>
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                <emph type="italics"/>
              It is queſtionable
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              whether deſcending
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              weights move in a
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              right line.
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              </s>
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            <p type="margin">
              <s>
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              The Earth
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              cal by the
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              ration of its parts
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              to its Centre.
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              </s>
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            <p type="margin">
              <s>
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              The Sun more
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              bably in the centre
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              of the Vniverſe,
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              than the Earth.
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              </s>
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              <s>Now, like as from the conſentaneous conſpiration of all the
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              parts of the Earth to form its whole, doth follow, that they with
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              equal inclination concurr thither from all parts; and to unite
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              themſelves as much as is poſſible together, they there ſphelically
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              adapt themſelves; why may we not believe that the Sun, Moon,
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              and other mundane Bodies, be alſo of a round figure, not by
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              ther than a concordant inſtinct, and natural concourſe of all the
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              parts compoſing them? </s>
              <s>Of which, if any, at any time, by any
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              violence were ſeparated from the whole, is it not reaſonable to
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              think, that they would ſpontaneouſly and by natural inſtinct
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              turn? </s>
              <s>and in this manner to infer, that the right motion agreeth
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              with all mundane bodies alike.</s>
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            <p type="margin">
              <s>
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              Natural
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              tion of the parts of
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              all the globes of
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              the World to go to
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              their centre.
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              </s>
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              <s>SIMPL. Certainly, if you in this manner deny not onely the
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              Principles of Sciences, but manifeſt Experience, and the Senſes
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              themſelves, you can never be convinced or removed from any
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              pinion which you once conceit, therefore I will chooſe rather to
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              be ſilent (for,
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              contra negantes principia non eſt diſputandum
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              )
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              than contend with you. </s>
              <s>And inſiſting on the things alledged by
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              you even now (ſince you queſtion ſo much as whether grave
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              ables have a right motion or no) how can you ever rationally
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              ny, that the parts of the Earth; or, if you will, that ponderous
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              matters deſcend towards the Centre, with a right motion;
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              as, if from a very high Tower, whoſe walls are vcry upright and
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              perpendicular, you let them fall, they ſhall deſcend gliding and
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              ſliding by the Tower to the Earth, exactly in that very place
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              where a plummet would fall, being hanged by a line faſtned above,
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              juſt there, whence the ſaid weights were let fall? </s>
              <s>is not this a
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              more than evident argument of the motions being right, and
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              wards the Centre? </s>
              <s>In the ſecond place you call in doubt,
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              ther the parts of the Earth are moved, as
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              Ariſtotle
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              affirms,
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              wards the Centre of the World; as if he had not rationally
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              monſtrated it by contrary motions, whilſt he thus argueth; The
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              motion of heavie bodies is contrary to that of the light: but the
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              motion of the light is manifeſt to be directly upwards, namely,
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              towards the circumference of the World, therefore the motion of
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              the heavie is directly towards the Centre of the World: and it
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              happens
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              per accidens,
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              that it be towards the centre of the Earth,
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              for that this ſtriveth to be united to that. </s>
              <s>The ſeeking in the
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              next place, what a part of the Globe of the Sun or Moon would
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              do, were it ſeparated from its whole, is vanity; becauſe that
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              by that is ſought, which would be the conſequence of an
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              bility; in regard that, as
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              Ariſtotle
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              alſo demonſtrates, the cœleſtial
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              bodies are impaſſible, impenetrable, and infrangible; ſo that ſuch </s>
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          </chap>
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