Huygens, Christiaan, Christiani Hugenii opera varia; Bd. 2: Opera geometrica. Opera astronomica. Varia de optica

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            <s xml:id="echoid-s8709" xml:space="preserve">
              <pb o="665" file="0405" n="424" rhead="COSMOTHEOROS, LIB. I."/>
            ris qui intermedia cæli ſpatia complet, nec Solem nec ſtellas
              <lb/>
            cernere poſſemus; </s>
            <s xml:id="echoid-s8710" xml:space="preserve">neque etiam alia quæ propiora ſunt cor-
              <lb/>
            pora; </s>
            <s xml:id="echoid-s8711" xml:space="preserve">cum ab his ad nos idem ille motus repercuſſus perve-
              <lb/>
            nire debeat. </s>
            <s xml:id="echoid-s8712" xml:space="preserve">Hic, oculorum ſenſu perceptus, lux appella-
              <lb/>
            tur. </s>
            <s xml:id="echoid-s8713" xml:space="preserve">Inque eo ſenſu mirabile eſt ante omnia, quo pacto ad
              <lb/>
            tantam ſubtilitatem perduci potuerit, ut minimâ cæleſtis ma-
              <lb/>
            teriæ commotiunculâ afficeretur, ſimulque qua ex parte illa
              <lb/>
            oriretur perciperet. </s>
            <s xml:id="echoid-s8714" xml:space="preserve">Tum quomodo nihil ſeſe mutuo impe-
              <lb/>
            diant innumeri ejuſmodi pulſuum proceſſus, ſphæricæque
              <lb/>
            ſuperficies, aliæ alias trajicientes. </s>
            <s xml:id="echoid-s8715" xml:space="preserve">Hæc omnia tam mira ac
              <lb/>
            ſubtili ratione conſtituta ſunt, ut nec minimam eorum par-
              <lb/>
            tem hominum ingenia excogitare potuiſſent, cum vix etiam
              <lb/>
            quomodo ſeſe habeant comprehendere queant. </s>
            <s xml:id="echoid-s8716" xml:space="preserve">Quid enim
              <lb/>
            tam mirabile, quam particulam corporis quandam ita fabri-
              <lb/>
            catam eſſe, ut ejus opera animal ſentiat procul poſitorum
              <lb/>
            corporum figuram, poſitum, motum quemlibet, diſtantiam;
              <lb/>
            </s>
            <s xml:id="echoid-s8717" xml:space="preserve">idque etiam cum colorum varietate, quo diſtinctius ea digno-
              <lb/>
            ſceret. </s>
            <s xml:id="echoid-s8718" xml:space="preserve">Oculi vero præter hæc artificioſiſſima conſtructio,
              <lb/>
            quæ perfectam rerum extra poſitarum picturam in cava cho-
              <lb/>
            roidis ſuperficie imprimere apta eſt, omnem profecto admi-
              <lb/>
            rationem ſuperat, neque eſt in quo manifeſtius Geometriæ
              <lb/>
            artem Deus exercuerit. </s>
            <s xml:id="echoid-s8719" xml:space="preserve">Atque hæc non tantum ſolertia ſum-
              <lb/>
            ma inventa & </s>
            <s xml:id="echoid-s8720" xml:space="preserve">fabricata ſunt, ſed & </s>
            <s xml:id="echoid-s8721" xml:space="preserve">videntur eſſe ejuſmodi,
              <lb/>
            ſi quis propius attendat, ut non alia ratione perfici potue-
              <lb/>
            rint quàm hac quam cernimus. </s>
            <s xml:id="echoid-s8722" xml:space="preserve">Nam neque lux aliter, quàm
              <lb/>
            communicato motu per materiam cæleſtem, res longo inter-
              <lb/>
            vallo remotas ſenſibus noſtris offerre poterat; </s>
            <s xml:id="echoid-s8723" xml:space="preserve">nec oculo-
              <lb/>
            rum artificio ullum aliud par dari ad diſtinctè referendas
              <lb/>
            rerum imagines. </s>
            <s xml:id="echoid-s8724" xml:space="preserve">Ut valde eos falli arbitrer, ſiqui hæc ea-
              <lb/>
            dem multis modis ordinari potuiſſe contendere audeant. </s>
            <s xml:id="echoid-s8725" xml:space="preserve">
              <lb/>
            Quare omnino credibile eſt utrumque iſtud eodem modo ſe
              <lb/>
            habere in Planetarum regionibus atque hic; </s>
            <s xml:id="echoid-s8726" xml:space="preserve">neque aliam eſſe
              <lb/>
            iis, quæ illic habitant animantibus, videndi rationem. </s>
            <s xml:id="echoid-s8727" xml:space="preserve">Ha-
              <lb/>
            bebunt igitur oculos; </s>
            <s xml:id="echoid-s8728" xml:space="preserve">atque etiam binos minimum, quò poſ-
              <lb/>
            ſint rerum ante pedes poſitarum diſtantias percipere, ſine
              <lb/>
            quo vix tutò ingredi licet. </s>
            <s xml:id="echoid-s8729" xml:space="preserve">Et hæc quidem ad vitæ uſum </s>
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