Even if I am but a pretender to wisdom, that in itself is philosophy.

It was a favorite expression of Theophrastus that time was the most valuable thing that a man could spend.

We have two ears and one tongue so that we would listen more and talk less.

Man is the most intelligent of the animals - and the most silly.

If you are to be kept right, you must possess either good friends or red-hot enemies. The one will warn you, the other will expose you.

Protagoras asserted that there are two sides to every question, exactly opposite to each other.

Poverty is a virtue which one can teach oneself.