When I have occasionally set myself to consider the different distractions of men, the pains and perils to which they expose themselves I have discovered that all the unhappiness of men arises from one single fact, that they cannot stay quietly in their own chamber.

We must make good people wish that the Christian faith were true, and then show that it is.

One has followed the other in an endless circle, for it is certain that as man's insight increases so he finds both wretchedness and greatness within himself. In a word man knows he is wretched. Thus he is wretched because he is so, but he is truly great because he knows it.

Curiosity is nothing more than vanity. More often than not we only seek knowledge to show it off.

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.

The supreme function of reason is to show man that some things are beyond reason.

Education produces natural intuitions, and natural intuitions are erased by education.