[_Descartes._--We must say summarily: "This is made by figure and motion," for it is true. But to say what these are, and to compose the machine, is ridiculous. For it is useless, uncertain, and painful. And were it true, we do not think all philosophy is worth one hour of pain.]
Endroit: Part I, 1, 2, c. 1, section 4.[44] · ¶266 Licence: Public domain · Source Le texte est donné tel que dans l'édition, sans retouche.