By worrying as little as possible about fame.
It is the privilege of the gods to want nothing, and of godlike men to want little.
Let us not unlearn what we have already learned
We have two ears and one tongue so that we would listen more and talk less.
The foundation of every state is the education of its youth.
As a matter of self-preservation, a man needs good friends or ardent enemies, for the former instruct him and the latter take him to task.