Money-makers are tiresome company, as they have no standard but cash value.

Knowledge of the soul is the only universal truth and the only wisdom - all other knowledge is transient.

All learning is in the learner, not the teacher.

Beauty lies in the eyes of the beholder.

A house that has a library in it has a soul.

The highest form of pure thought is in mathematics.

Music and rhythm find their way into the secret places of the soul

Better to complete a small task well, than to do much imperfectly.

Better to be unborn than untaught, for ignorance is the root of all misfortune.

A grateful mind is a great mind which eventually attracts to itself great things.

Ignorance, the root and the stem of every evil.

People too smart to get involved in politics are doomed to live in societies run by people who aren't.

A good decision is based on knowledge, and not on numbers.

True friendship can exist only between equals.

Life should be lived as play.

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.