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

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    <archimedes>
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          <chap>
            <p type="main">
              <s>
                <pb xlink:href="040/01/247.jpg" pagenum="229"/>
              ciple be intrinſecal, we ſhall not perceive a local motion that is
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              rived from our ſelves, and we ſhall never diſcover a propenſion
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              petually annexed to our ſelves.</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg441"/>
                <emph type="italics"/>
              He that will
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              low
                <emph.end type="italics"/>
              Copernicus,
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                <emph type="italics"/>
              must deny his
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              ſes.
                <emph.end type="italics"/>
              </s>
            </p>
            <p type="main">
              <s>SALV. </s>
              <s>So that the inſtance of this Philoſopher lays its ſtreſs
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              on this, that whether the principle by which we move round with
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              the Earth be either extern, or intern, yet however we muſt
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              ceive it, and not perceiving it, it is neither the one nor the other,
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              and therefore we move not, nor conſequently the Earth. </s>
              <s>Now I
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                <arrow.to.target n="marg442"/>
                <lb/>
              ſay, that it may be both ways, and yet we not perceive the ſame.
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              </s>
              <s>And that it may be external, the experiment of the boat
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              bundantly ſatisſieth me; I ſay, ſuperabundantly, becauſe it being
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              in our power at all times to make it move, and alſo to make it
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              ſtand ſtill, and with great exactneſs to make obſervation, whether
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              by ſome diverſity that may be comprehended by the ſenſe of
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              ing, we can come to know whether it moveth or no, ſeeing that
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              as yet no ſuch ſcience is obtained: Will it then be any matter of
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              wonder, if the ſame accident is unknown to us on the Earth, the
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              which may have carried us about perpetually, and we, without our
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                <arrow.to.target n="marg443"/>
                <lb/>
              being ever able to experiment its reſt? </s>
              <s>You,
                <emph type="italics"/>
              Simplicius,
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              as I
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              lieve, have gone by boat many times to
                <emph type="italics"/>
              Padoua,
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              and if you will
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              confeſs the truth, you never felt in your ſelf the participation of
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              that motion, unleſs when the boat running a-ground, or
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              tring ſome obſtacle, did ſtop, and that you with the other
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              gers being taken on a ſudden, were with danger over-ſet. </s>
              <s>It
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              would be neceſſary that the Terreſtrial Globe ſhould meet with
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              ſome rub that might arreſt it, for I aſſure you, that then you
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              would diſcern the impulſe reſiding in you, when it ſhould toſs you
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              up towards the Stars. </s>
              <s>It's true, that by the other ſenſes, but yet
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                <arrow.to.target n="marg444"/>
                <lb/>
              aſſiſted by Reaſon, you may perceive the motion of the boat, that
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              is, with the ſight, in that you ſee the trees and buildings placed on
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              the ſhoar, which being ſeparated from the boat, ſeem to move the
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                <arrow.to.target n="marg445"/>
                <lb/>
              contrary way. </s>
              <s>But if you would by ſuch an experiment receive
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              intire ſatisfaction in this buſineſs of the Terreſtrial motion, look
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              on the ſtars, which upon this reaſon ſeem to move the contrary
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              way. </s>
              <s>As to the wondering that we ſhould not feel ſuch a
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              ciple, ſuppoſing it to be internal, is a leſs reaſonable conceit; for
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              if we do not feel ſuch a one, that cometh to us from without,
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              and that frequently goeth away, with what reaſon can we expect
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              to feel it, if it immutably and continually reſides in us? </s>
              <s>Now let
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              us ſee what you have farther to allege on this argument.</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg442"/>
                <emph type="italics"/>
              Our motion may
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              be either interne or
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              externe, and yet
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              we never perceive
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              or feel it.
                <emph.end type="italics"/>
              </s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg443"/>
                <emph type="italics"/>
              The motion of a
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              Boat inſenſible to
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              thoſe that are with
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              in it, as to the ſenſe
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              of feeling.
                <emph.end type="italics"/>
              </s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg444"/>
                <emph type="italics"/>
              The boats
                <lb/>
              on is perceptible to
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              the ſight joyn'd
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              with reaſon.
                <emph.end type="italics"/>
              </s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg445"/>
                <emph type="italics"/>
              The terreſtrial
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              motion collected
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              from the ſtars.
                <emph.end type="italics"/>
              </s>
            </p>
            <p type="main">
              <s>SIMP. </s>
              <s>Take this ſhort exclamation.
                <emph type="italics"/>
              Ex hac itaque opinione
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              neceſſe est diffidere noſtris ſenſibus, ut penitùs fall acibus vel ſtupidis
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              in ſenſilibus, etiam conjunctiſſimis, dijudicandis. </s>
              <s>Quam ergò
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              ritatem ſperare poſſumus à facultate adeò fallaci ortum trabentem
                <emph.end type="italics"/>
              ?
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              [Which I render thus:] From this opinion likewiſe, we muſt of </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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