"The best way to keep a prisoner from escaping is to make sure he never knows he's in prison."

"To exist is to be somewhere, and to be somewhere is to be a being."

"It is not the brains that matter most, but that which guides them—the character, the heart, generous qualities, progressive ideas."

"The ultimate reason for human actions is self-interest."

"I think the devil doesn't exist, but man has created him, he has created him in his own image and likeness."