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

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            Et quando inter tot eximios hoc ævo Geome-
              <lb/>
            tras nondum licuit animadvertere qui ſibi hanc
              <lb/>
            provinciam delegerit, ac proinde fieri poſſet
              <lb/>
            ut longa porro dubitatio maneret circa demon-
              <lb/>
            ſtrationes, quas certiſſimas eſſe oportet; </s>
            <s xml:id="echoid-s35" xml:space="preserve">arbi-
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            tratus ſum me facturum quod & </s>
            <s xml:id="echoid-s36" xml:space="preserve">in publicum
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            utile eſſet & </s>
            <s xml:id="echoid-s37" xml:space="preserve">à propoſiti argumenti ratione non
              <lb/>
            alienum, ſi ſimul hîc prodire ſinerem, quæ no-
              <lb/>
            vam in re obſcura lucem allatura videbantur.
              <lb/>
            </s>
            <s xml:id="echoid-s38" xml:space="preserve">Nulla autem temeritate ad elevandam Viri gra-
              <lb/>
            vis & </s>
            <s xml:id="echoid-s39" xml:space="preserve">eruditi auctoritatem acceſſi, ſed cauſæ
              <lb/>
            bonitate adductus, putavi quæ compereram li-
              <lb/>
            berè citraque offenſam proponi poſſe. </s>
            <s xml:id="echoid-s40" xml:space="preserve">Majori
              <lb/>
            quoque fiduciâ, poſteaquam is ſeſe ipſum per
              <lb/>
            literas, quarum aliquod inter nos commercium
              <lb/>
            eſt, auctorem hortatoremque candidè præbuit,
              <lb/>
            ut ſiqua commentatus eſſem, ea cum univerſis
              <lb/>
            communicarem. </s>
            <s xml:id="echoid-s41" xml:space="preserve">Ingenuitatem hanc inſignem
              <lb/>
            lubenti gratoque uti meretur animo accepi, & </s>
            <s xml:id="echoid-s42" xml:space="preserve">
              <lb/>
            ſpero modeſtâ reprehenſione ſatis me decla-
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            raſſe, quanti æſtimem Doctiſſ. </s>
            <s xml:id="echoid-s43" xml:space="preserve">Viro haberi ami-
              <lb/>
            cus. </s>
            <s xml:id="echoid-s44" xml:space="preserve">Cujus invicem ſumma, quâ me uſque ad-
              <lb/>
            huc excepit, humanitas facit ne, quid aliud ex-
              <lb/>
            ſpectem, niſi ut vel moderatè & </s>
            <s xml:id="echoid-s45" xml:space="preserve">ſine ulla acer-
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            bitate ad mea reſpondeat, ſi quid iis reponen-
              <lb/>
            dum eſſe duxerit, vel rationibus evidentiſſimis
              <lb/>
            perſuaſus, æquè lubens noſtra quam alterius
              <lb/>
            poſthac opera veriora ſentiat & </s>
            <s xml:id="echoid-s46" xml:space="preserve">amplectatur.</s>
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