Gassendi, Pierre, De motu impresso a motore translato epistulae duae, 1642
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              <s id="id.000358">
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              tamen tam citò, ac pila ad regreſſionis locum
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              peruenturus ſis. </s>
              <s id="id.000359">Sed iſta iam nimis inculcata ſunt:
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              idque eſt ſolùm mente tenendum, quæcumque vis
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              tibi ad datur, aut adimatur ſocio ab impetu nauis; ni­
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              hilominùs ipſos pilæ jactus, rejectuſque, ſiue itus, &
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              reditus inter vtrúmque interceptos, eoſdem conſtan­
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              ter apparituros; quia eiuſmodi impetus ex æquo &
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              te, & ſocium, & pilam afficiet; nihilque, quod pro­
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              cedat ab eiuſmodi impetu, aut à te, aut à ſocio ob­
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              ſeruari poterit; eritque obſeruabilis motus ille ſolus,
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              qui à vi propria vtriuſque pendebit, quique perinde
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              obſeruaretur, ſi nauis quieſceret; ac aliunde diuerſi­
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              tas in motu pilæ ex compoſita tua, ſocijve, & na­
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              uigij vi, obſeruabilis ſolùm erit ab oculo extra naui­
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              gium quieſcente. </s>
              <s id="id.000360">Obſeruabilis, inquam, & pulcro
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              ſanè ſpectaculo, cuius ſi fieri particeps velis, ſta ipſe
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              ad ripam, aut in nauigio aliàs immoto, cùm alij duo in
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              tranſlato colludent. </s>
              <s id="id.000361">Quippe quas illi putabunt æqua­
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              leis vireis, quos æqualeis pilæ itus, redituſque; ani­
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              maduertes ipſe prorsùs inæ qualeis; & non ſine volup­
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              tate ſpectabis illum, qui ad puppim, vehementiorem
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              quidem ictum impingere, ſed continuò tamen pi­
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              lam inſequi; illum, qui ad proram, remiſſiorem qui­
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              dem; ſed continuò tamen à pila aufugere: & cùm
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              pila inæqualiter per aërem tranſluolatura ſit, ab illo
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              nempe celeriùs, ab hoc ſegniùs; mirabilem tamen
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              fieri ex illius acceſſu, & inſequutione pilæ, cùm hu­
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              ius receſſu, & fuga ab eadem pila, compenſationem. </s>
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              <s id="id.000362">IX. </s>
              <s id="id.000363">Poſtulare heic videretur occaſio, vt priuſquàm
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              diſcederem longiùs, intexerem quaſi parentheſin, </s>
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