A friend is one soul abiding in two bodies.

To arrive at perfection, a man should have very sincere friends or inveterate enemies; because he would be made sensible of his good or ill conduct, either by the censures of the one or the admonitions of the other.

You will become a teacher of yourself when for the same things that you blame others, you also blame yourself.

I threw my cup away when I saw a child drinking from his hands at the trough.

Nothing can be produced out of nothing.

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

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