The public is a ferocious beast; one must either chain it or flee from it.

The Bible. That is what fools have written, what imbeciles commend, what rogues teach and young children are made to learn by heart.

Constant happiness is the philosopher's stone of the soul.

It is clear that the individual who persecutes a man, his brother, because he is not of the same opinion, is a monster.

If you wish to converse with me, define your terms.

I have lived eighty years of life and know nothing for it, but to be resigned and tell myself that flies are born to be eaten by spiders and man to be devoured by sorrow.

Everything you say should be true, but not everything true should be said.