The anger of a person who is strong, can always bide its time. – James Whitcomb Riley

At the core of all anger is a need that is not being fulfilled. – Marshall B. Rosenberg

As the whirlwind in its fury teareth up trees, and deformeth the face of nature, or as an earthquake in its convulsions overturneth whole cities; so the rage of an angry man throweth mischief around him. – Akhenaton

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