"What is an optimist? The man who says, "It's worse everywhere else. We're better off than the rest of the world. We've been lucky." He is happy with things as they are and he doesn't torment himself. What is a pessimist? The man who says, "Things are fine everywhere but here. Everyone else is better off than we are. We're the only ones who've had a bad break." He torments himself continually."