A word too much always defeats its purpose.

Talent hits a target no one else can hit; Genius hits a target no one else can see.

Most men are so thoroughly subjective that nothing really interests them but themselves.

Genius and madness have something in common: both live in a world that is different from that which exists for everyone else.

Pleasure is never as pleasant as we expected it to be and pain is always more painful. The pain in the world always outweighs the pleasure. If you don't believe it, compare the respective feelings of two animals, one of which is eating the other.

Obstinacy is the result of the will forcing itself into the place of the intellect.

A man shows his character just in the way in which he deals with trifles, for then he is off his guard.