You learn to speak by speaking, to study by studying, to run by running, to work by working; in just the same way, you learn to love by loving.

Men are not created to know, men are not created to understand ... and our illusions increase with our knowledge.

It is by acts, and not by ideas, that people ensure the bar down the street cannot have a patio.

We reproach people for talking about themselves but it is the subject they treat best.

War will disappear only when men shall take no part whatever in violence and shall be ready to suffer every persecution that their abstention will bring them. It is the only way to abolish war.

Of all the sexual aberrations, chastity is the strangest.

The faculty of doubting is rare among men. A few choice spirits carry the germs of it in them, but these do not develop without training.