The vigorous are no better than the lazy during one half of life, for all men are alike when asleep.

Learning is not child's play; we cannot learn without pain.

The rattle is a toy suited to the infant mind, and education is a rattle or toy for children of larger growth.

Man perfected by society is the best of all animals; he is the most terrible of all when he lives without law, and without justice.

A friend to all is a friend to none.

Just as a royal rule, if not a mere name, must exist by virtue of some great personal superiority in the king, so tyranny, which is the worst of governments, is necessarily the farthest removed from a well-constituted form; oligarchy is little better, for it is a long way from aristocracy, and democracy is the most tolerable of the three.

Virtue makes us aim at the right end, and practical wisdom makes us take the right means.