Our errors and our controversies, in the sphere of morality, arise sometimes from looking on men as though they could be altogether bad, or altogether good.

Those who fear men like laws.

When a thought is too weak to be expressed simply, it should be rejected.

Emotions have taught mankind to reason.

We must expect everything and fear everything from time and from men.

In order to do great things, it is necessary to live as if one was never to die.

Man never rises to great truths without enthusiasm.