" Seneca’s essay “On Anger.” Anger, says Seneca, is “brief insanity,” and the damage done by anger is enormous: “No plague has cost the human race more.” Because of anger, he says, we see all around us people being killed, poisoned, and sued; we see cities and nations ruined. "

― William B. Irvine , A Guide to the Good Life: The Ancient Art of Stoic Joy