This is what I see, and what troubles me. I look on all sides, and everywhere I see nothing but obscurity. Nature offers me nothing that is not a matter of doubt and disquiet.

The authority of reason is far more imperious than that of a master; for he who disobeys the one is unhappy, but he who disobeys the other is a fool.

St. Augustine teaches us that there is in each man a Serpent, an Eve, and an Adam. Our senses and natural propensities are the Serpent; the excitable desire is the Eve; and reason is the Adam. Our nature tempts us perpetually; criminal desire is often excited; but sin is not completed till reason consents.

How can anyone lose who chooses to become a Christian? If, when he dies, there turns out to be no God and his faith was in vain, he has lost nothing...If, however, there is a God and a heaven and a hell. then he has gained heaven and his skeptical friends have lost everything.

To scorn philosophy is truly to philosophize.

We like to be deceived.

The end point of rationality is to demonstrate the limits of rationality.