Medicine to produce health must examine disease; and music, to create harmony must investigate discord.
PlutarchHe who least likes courting favour, ought also least to think of resenting neglect; to feel wounded at being refused a distinction can only arise from an overweening appetite to have it.
PlutarchBut the Lacedaemonians, who make it their first principle of action to serve their country's interest, know not any thing to be just or unjust by any measure but that.
PlutarchWhen Anaxagoras was told of the death of his son, he only said, "I knew he was mortal." So we in all casualties of life should say "I knew my riches were uncertain, that my friend was but a man." Such considerations would soon pacify us, because all our troubles proceed from their being unexpected.
Plutarch