Music is the pathway to the heart.

All styles are good except the tiresome kind.

Life is bristling with thorns, and I know no other remedy than to cultivate one's garden.

All the persecutors declare against each other mortal war, while the philosopher, oppressed by them all, contents himself with pitying them.

We admit, in geometry, not only infinite magnitudes, that is to say, magnitudes greater than any assignable magnitude, but infinite magnitudes infinitely greater, the one than the other. This astonishes our dimension of brains, which is only about six inches long, five broad, and six in depth, in the largest heads.

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

Beware of the words "internal security," for they are the eternal cry of the oppressor.