Justice means minding one's own business and not meddling with other men's concerns.

There are three classes of men; lovers of wisdom, lovers of honor, and lovers of gain.

Knowledge is the rediscovering of our own insight.

Where love reigns, there's no need for laws.

Rhetoric is the art of ruling the minds of men.

The wise man will want to be ever with him who is better than himself.

The unexamined life is not worth living for a human being.

The most effective kind of education is that a child should play amongst lovely things.

The noblest of all studies is the study of what man is and of what life he should live.

At the touch of love, everyone is a poet.

Love is a serious mental disease.

The essence of knowledge is self-knowledge.

In order to seek one's own direction, one must simplify the mechanics of ordinary, everyday life.

Better a little which is well done, than a great deal imperfectly.

Each man is capable of doing one thing well. If he attempts several, he will fail to achieve distinction in any.

The good man is the only excellent musician, because he gives forth a perfect harmony not with a lyre or other instrument but with the whole of his life.

Wonder is the beginning of the desire to know the beautiful and the good.

Music is the movement of sound to reach the soul for the education of its virtue.

Lack of activity destroys the good condition of every human being