"Descartes, a genius made to blaze new paths and to go astray in them, supposed with some other philosophers that God …"

"There comes up another difficulty which more nearly concerns our vanity: namely, the impossibility of our conceiving …"

"[B]efore Descartes, some of the ancients made the essence of matter consist in solid extension. But this opinion, of …"

"[I]f we demonstrate this moving principle, if we show that matter, far from being as indifferent as it is supposed to…"

"The ancients, persuaded that there is no body without a moving force, regarded the substance of bodies as composed of…"

"The Christian Scholastics... might have shown that God Himself said that He had "imprinted an active principle in the…"

"[E]ither everything is illusion, nature as well as revelation, or experience alone can explain faith."

"A good prescription is still more profitable than an ."

"Write as if thou wert alone in the universe and hadst nothing to fear from the jealousies and prejudices of the peopl…"

"We know in bodies only matter, and we observe the faculty of feeling only in bodies: on what foundation then can we e…"