An education obtained with money is worse than no education at all.

I know that I am intelligent, because I know that I know nothing.

Whenever, therefore, people are deceived and form opinions wide of the truth, it is clear that the error has slid into their minds through the medium of certain resemblances to that truth.

To them, I said, the truth would be literally nothing but the shadows of the images.

Listen not to a tale-bearer or slanderer, for he tells thee nothing out of good-will; but as he discovereth of the secrets of others, so he will of thine in turn.

It is best and easiest not to discredit others but to prepare oneself to be as good as possible.

Every action has its pleasures and its price.