Salusbury, Thomas, Mathematical collections and translations (Tome I), 1667

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              <s>
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              neceſſity ſuſpect our own ſenſes, as wholly fallible, or ſtupid in
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              judging of ſenſible things even very near at hand. </s>
              <s>What truth
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              therefore can we hope for, to be derived from ſo deceiveable a
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              culty?</s>
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              <s>SALV. </s>
              <s>But I deſire not to deduce precepts more profitable, or
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              more certain, learning to be more circumſpect and leſs confident
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              about that which at firſt bluſh is repreſented to us by the ſenſes,
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              which may eaſily deceive us. </s>
              <s>And I would not have this Author
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              trouble himſelf in attemptiug to make us comprehend by ſenſe,
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              that this motion of deſcending Graves is ſimply right, and of
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              no other kind; nor let him exclaim that a thing ſo clear, manifeſt,
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              and obvious ſhould be brought in queſtion; for in ſo doing, he
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              maketh others believe, that he thinketh thoſe that deny that
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              tion to be abſolutely ſtreight, but rather circular, the ſtone did
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              ſenſibly ſee it to move in an arch, ſeeing that he inviteth their ſenſes
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              more than their Reaſon, to judg of that effect: which is not true,
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                <emph type="italics"/>
              Simplicius,
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              for like as I, that am indifferent in all theſe
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              ons, and onely in the manner of a Comedian, perſonate
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              cus
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              in theſe our repreſentations, have never ſeen, nor thought
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              that I have ſeen that ſtone fall otherwiſe than perpendicularly,
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              ſo I believe, that to the eyes of all others it ſeemed to do the
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              ſame. </s>
              <s>Better it is therefore, that depoſing that appearance in
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              which all agree, we make uſe of our Reaſon, either to confirm the
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              reality of that, or to diſcover its fallacy.</s>
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              <s>SAGR. </s>
              <s>If I could any time meet with this Philoſopher, who
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              yet me thinks is more ſublime than the reſt of the followers of
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              the ſame doctrines, I would in token of my affection put him in
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              mind of an accident which he hath doubtleſs very often beheld;
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              from which, with great conformity to that which we now diſcourſe
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              of, it may be collected how eaſily one may be deceived by the bare
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              appearance, or, if you will, repreſentation of the ſenſe. </s>
              <s>And the
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              accident is, the Moons ſeeming to follow thoſe that walk the ſtreets
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              in the night, with a pace equal to theirs, whilſt they ſee it go
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              ding along the Roofs of houſes, upon which it ſheweth juſt like a
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              cat, that really running along the ridges of houſes, leaveth them
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              behind. </s>
              <s>An appearance that, did not reaſon interpoſe, would but
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              too manifeſtly delude the ſight.</s>
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              <s>SIMP. </s>
              <s>Indeed there want not experiments that render us
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              tain of the fallacy of the meer ſenſes; therefore ſuſpending ſuch
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              ſenſations for the preſent, let us hear the Arguments that follow
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              which are taken, as he ſaith,
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              ex rerum naturâ.
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              The firſt of which
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              is, that the Earth cannot of its own nature move with three
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              ons very different; or otherwiſe we muſt deny many manifeſt
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                <arrow.to.target n="marg447"/>
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              Axioms. </s>
              <s>The firſt whereof is, that
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              Omnïs effectus dependeat ab
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              aliquâ cauſâ; [i. </s>
              <s>e.]
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              that every effect dependeth on ſome cauſe. </s>
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          </chap>
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