Bošković, Ruđer Josip, Theoria philosophiae naturalis redacta ad unicam legem virium in natura existentium

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            qualitates, quæ ex ſpecificis rerum formis oriri fingantur, ſed ut uni-
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            verſales Naturæ leges, quibus res ipſæ ſunt formatæ. </s>
            <s xml:space="preserve">Nam principia
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            quidem talia revera exiſtere oſtendunt phænomena Naturæ, licet ipſo-
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            rum cauſæ quæ ſint, nondum fuerit explicatum. </s>
            <s xml:space="preserve">Affirmare, ſingulas
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            rerum ſpecies ſpecificis præditas eſſe qualitatibus occultis, per quas eæ
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            vim certam in agendo habent, hoc utique eſt nihil dicere: </s>
            <s xml:space="preserve">at ex phæ-
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            nomenis Naturæ duo, vel tria derivare generalia motus principia, & </s>
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            deinde explicare, quemadmodum proprietates, & </s>
            <s xml:space="preserve">actiones rerum corpo-
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            rearum omnium ex iſtis principiis conſequantur, id vero magnus eſſet
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            factus in Philoſophia progreſſus, etiamſi principiorum iſtorum cauſæ
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            nondum eſſent cognitæ. </s>
            <s xml:space="preserve">Quare motus principia ſupradicta proponere non
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            dubito, cum per Naturam univerſam latiſſime pateant.</s>
            <s xml:space="preserve">”</s>
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            <s xml:space="preserve">Hæc ibi Newtonus, ubi is quidem magnos in Philoſophia progreſſus
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            facturum arbitratus eſt eum, qui ad duo, vel tria generalia motus prin-
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            cipia ex Naturæ phænomenis derivata phænomenorum explicationem redu-
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            xerit, & </s>
            <s xml:space="preserve">ſua principia protulit, ex quibus inter ſe diverſis eorum aliqua
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            tantummodo explicari poſſe cenſuit. </s>
            <s xml:space="preserve">Quid igitur, ubi & </s>
            <s xml:space="preserve">ea ipſa tria, & </s>
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            alia præcipua quæque, ut ipſa etiam impenetrabilitas, & </s>
            <s xml:space="preserve">impulſio redu-
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            cantur ad principium unicum legitima ratiocinatione deductum? </s>
            <s xml:space="preserve">At id per
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            meam unicam, & </s>
            <s xml:space="preserve">ſimplicem virium legem præſtari, patebit ſane conſi-
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            deranti operis totius Synopſim quandam, quam hic ſubjicio; </s>
            <s xml:space="preserve">ſed multo
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            magis opus ipſum diligentius pervolventi.</s>
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