You should rather suppose that those are involved in worthwhile duties who wish to have daily as their closest friends Zeno, Pythagoras, Democritus and all the other high priests of liberal studies, and Aristotle and Theophrastus. None of these will be too busy to see you, none of these will not send his visitor away happier and more devoted to himself, none of these will allow anyone to depart empty-handed. They are at home to all mortals by night and by day.

Bear in mind that you commit a crime by injuring even a wicked brother.

One hand washes the other.

No man was ever wise by chance.

I have withdrawn not only from men, but from affairs, especially my own affairs; I am working for later generations, writing down some ideas that may be of assistance to them.

Why do people not confess vices? It is because they have not yet laid them aside. It is a waking person only who can tell their dreams.

The good things of prosperity are to be wished; but the good things that belong to adversity are to be admired.