For he who gives no fuel to fire puts it out, and likewise he who does not in the beginning nurse his wrath and does not puff himself up with anger takes precautions against it and destroys it.
PlutarchTo make no mistakes is not in the power of man; but from their errors and mistakes the wise and good learn wisdom for the future.
PlutarchSeeing the lightest and gayest purple was then most in fashion, he would always wear that which was the nearest black; and he would often go out of doors, after his morning meal, without either shoes or tunic; not that he sought vain-glory from such novelties, but he would accustom himself to be ashamed only of what deserves shame, and to despise all other sorts of disgrace.
Plutarch