The greatest wisdom often consist in ignorance.
It is a great deed to leave nothing for tomorrow.
Friendship multiplies the good of life and divides the evil.
If you are wise, live as you can; if you cannot, live as you would.
There are friendships merely for pleasure, some for the exchange of ideas. Rarest are those friends of one's inmost self.
When a man's knowledge is deep, he speaks well of an enemy. Instead of seeking revenge, he extends unexpected generosity. He turns insult into humor, ... and astonishes his adversary who finds no reason not to trust him.