What part of us feels pleasure? Is it our hand, our arm, our flesh, or our blood? It must obviously be something immaterial.

What amazes me most is to see that everyone is not amazed at his own weakness.

Il n'est pas certain que tout soit incertain. (Translation: It is not certain that everything is uncertain.)

Since we cannot know all that there is to be known about anything, we ought to know a little about everything.

It is impossible on reasonable grounds to disbelieve miracles.

When malice has reason on its side, it looks forth bravely, and displays that reason in all its luster. When austerity and self-denial have not realized true happiness, and the soul returns to the dictates of nature, the reaction is fearfully extravagant.

It is the heart which perceives God and not the reason. That is what faith is: God perceived by the heart, not by the reason.