...virtue is not merely a state in conformity with the right principle, but one that implies the right principle; and the right principle in moral conduct is prudence.

Courage is the first virtue that makes all other virtues possible.

But since there is but one aim for the entire state, it follows that education must be one and the same for all, and that the responsibility for it must be a public one, not the private affair which it now is, each man looking after his own children and teaching them privately whatever private curriculum he thinks they ought to study.

Marriage is like retiring as a bachelor and getting a sexual pension. You don't have to work for the sex any more, but you only get 65% as much.

A very populous city can rarely, if ever, be well governed.

The activity of happiness must occupy an entire lifetime; for one swallow does not a summer make.

You can never learn anything that you did not already know