There is no possession more valuable than a good and faithful friend.

If one knows what is right, he will do it; nobody wants to be evil

It is better to be at odds with the whole world than, being one, to be at odds with myself.

The individual leads in order that those who are led can develop their potential as human beings and thereby prosper.

If you will take my advice you will think little of Socrates, and a great deal more of truth.

All that I know is nothing - I'm not even sure of that.

The misuse of language induces evil in the soul.