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.

Atheism shows strength of mind, but only to a certain degree.

We do not worry about being respected in towns through which we pass. But if we are going to remain in one for a certain time, we do worry. How long does this time have to be?

Do they think that they have given us great pleasure by telling us that they hold our soul to be no more than wind or smoke, and saying it moreover in tones of pride and satisfaction? Is this then something to be said gaily? Is it not on the contrary something to be said sadly, as being the saddest thing in the world?

On the occasions when I have pondered over men's various activities, the dangers and worries they are exposed to at Court or at war, from which so many quarrels, passions, risky, often ill-conceived actions and so on are born, I have often said that man's unhappiness springs from one thing alone, his incapacity to stay quietly in one room.

Nature is an infinite sphere of which the center is everywhere and the circumference nowhere.

Chance gives rise to thoughts, and chance removes them; no art can keep or acquire them.