He who is not contented with what he has, would not be contented with what he would like to have.

Beware the barrenness of a busy life.

How many things I have no need of! That is what Socrates often said, according to Diogenes Laertius, when looking at a mass of things for sale.

The greatest way to live with honor in this world is to be what we pretend to be; and if we observe, we shall find, that all human virtues increase and strengthen themselves by the practice of them.