In a controversy the instant we feel anger we have already ceased striving for the truth, and have begun striving for ourselves. – Buddha

Usually when people are sad, they dont do anything. They just cry over their condition. But when they get angry, they bring about a change. – James Russell Lowell

There are two things a person should never be angry at, what they can help, and what they cannot. – Plato

You must never be satisfied with losing. You must get angry, terribly angry, about losing. But the mark of the good loser is that he takes his anger out on himself and not his victorious opponents or on his teammates. – Richard M. Nixon