Honor means that a man is not exceptional; fame, that he is. Fame is something which must be won; honor, only something which must not be lost.

[T]he appropriate form of address between man and man ought to be, not monsieur, sir, but fellow sufferer, compagnon de miseres.

Every man takes the limits of his own field of vision for the limits of the world. This is an error of the intellect as inevitable as that error of the eye which lets you fancy that on the horizon heaven and earth meet.

What a man is: that is to say, personality, in the widest sense of the word; under which are included health, strength, beauty, temperament, moral character, intelligence, and education.

The discovery of truth is prevented more effectively, not by the false appearance things present and which mislead into error, not directly by weakness of the reasoning powers, but by preconceived opinion, by prejudice.

Before you take anything away, you must have something better to put in its place.

That arithmetic is the basest of all mental activities is proved by the fact that it is the only one that can be accomplished by a machine.