Anger is not only inevitable, but it is necessary. For in its place is indifference, the worst of all human qualities. – Anon.

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

Anger ventilated often hurries toward forgiveness; and concealed often hardens into revenge. – Edward G. Bulwer-Lytton