One of the sayings of Diogenes was that most men were within a finger's breadth of being mad; for if a man walked with his middle finger pointing out, folks would think him mad, but not so if it were his forefinger.
Diogenes LaertiusHe used to say that it was better to have one friend of great value than many friends who were good for nothing.
Diogenes LaertiusHeraclitus says that Pittacus, when he had got Alcæus into his power, released him, saying, "Forgiveness is better than revenge.
Diogenes Laertius