One always speaks badly when one has nothing to say.

The more I read, the more I acquire, the more certain I am that I know nothing.

Almost all life depends on probabilities.

It does not require great art, or magnificently trained eloquence, to prove that Christians should tolerate each other. I, however, am going further: I say that we should regard all men as our brothers. What? The Turk my brother? The Chinaman my brother? The Jew? The Siam? Yes, without doubt; are we not all children of the same father and creatures of the same God?

Tyrants have always some slight shade of virtue; they support the laws before destroying them.

Men will always be mad, and those who think they can cure them are the maddest of all.

A torch lighted in the forests of America set all Europe in conflagration.