When asked what learning was the most necessary, he said, Not to unlearn what you have learned!
Diogenes LaertiusHeraclitus says that Pittacus, when he had got Alcæus into his power, released him, saying, "Forgiveness is better than revenge.
Diogenes LaertiusXenophanes speaks thus:-And no man knows distinctly anything,And no man ever will.
Diogenes Laertius