You should be angry. You must not be bitter. Let me show you why. Bitterness is like cancer, it eats upon the host. It doesn't do anything to the object of its displeasure. So use that anger, yes. You write it, you paint it, you dance it, you march it, you vote it, you do everything about it. You talk it. Never stop talking it.
- Maya Angelou to Dave Chappelle in this video: