Time is the most valuable thing that a man can spend.

As to the gods, I have no means of knowing either that they exist or do not exist. For many are the obstacles that impede knowledge, both the obscurity of the question and the shortness of human life.

We are more curious about the meaning of dreams than about things we see when awake.

We have two ears and only one tongue in order that we may hear more and speak less.

It takes a wise man to discover a wise man

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