Science in its entirety is true and evident cognition. - René Descartes

engaging in conversation with the most cultivated minds of past centuries who had composed them, or rather, taking part in a well-conducted dialogue in which such minds reveal to us only the best of their thoughts;

that we conduct our thoughts along different ways, and do not fix our attention on the same objects.

Porque por naturaleza, considerada en general, no entiendo otra cosa sino Dios mismo, o bien el orden y la disposición que Dios ha establecido en las cosas creadas. Y por mi naturaleza en particular, no entiendo otra cosa sino la complexión o reunión de todo aquello que Dios me ha dado.