Let us therefore reject all superstition in order to become more human; but in speaking against fanaticism, let us not imitate the fanatics: they are sick men in delirium who want to chastise their doctors. Let us assuage their ills, and never embitter them, and let us pour drop by drop into their souls the divine balm of toleration, which they would reject with horror if it were offered to them all at once.

What a heavy burden is a name that has become too famous.

Very often, say what you will, a knave is only a fool.

Perfect is the enemy of good.

We cannot wish for that we know not.

Be bold, proclaim it everywhere: They only live who dare.

Doubt is not a pleasant condition, but certainty is absurd.