Put the world's greatest philosopher on a plank that is wider than need be; if there is a precipe below, although his reason may convince him that he is safe, his imagination will prevail.

Christian piety annihilates the egoism of the heart; worldly politeness veils and represses it.

The only thing which consoles for our miseries is diversion, and yet this is the greatest of our miseries. For it is this which principally hinders us from reflecting upon ourselves and which makes us imperceptibly ruin ourselves.

We must kill them in war, just because they live beyond the river. If they lived on this side, we would be called murderers.

Human life is thus only a perpetual illusion; men deceive and flatter each other. No one speaks of us in our presence as he does of us in our absence. Human society is founded on mutual deceit; few friendships would endure if each knew what his friend said of him in his absence, although he then spoke in sincerity and without passion.

The greatness of man is so evident that it is even proved by his wretchedness. For what in animals is nature, we call in man wretchedness--by which we recognize that, his nature being now like that of animals, he has fallen from a better nature which once was his.

What use is it to us to hear it said of a man that he has thrown off the yoke that he does not believe there is a God to watch over his actions, that he reckons himself the sole master of his behavior, and that he does not intend to give an account of it to anyone but himself?