Had I a careful and pleasant companion that should show me my angry face in a glass, I should not at all take it ill; to behold man's self so unnaturally disguised and dishonored will conduce not a little to the impeachment of anger.
PlutarchThere is no stronger test of a person's character than power and authority, exciting as they do every passion, and discovering every latent vice.
PlutarchThe talkative listen to no one, for they are ever speaking. And the first evil that attends those who know not to be silent is that they hear nothing.
Plutarch