I'd like to thank everybody who ever punched or kissed me in my life and everybody who I ever punched or kissed.

If I could, Sister James, I would certainly choose to live in innocence. But innocence can only be wisdom in a world without evil. Situations arise and we are confronted with wrongdoing and the need to act.

Doubt requires more courage than conviction does, and more energy; because conviction is a resting place and doubt is infinite – it is a passionate exercise. You may come out of my play uncertain. You may want to be sure. Look down on that feeling. We’ve got to learn to live with a full measure of uncertainty. There is no last word. That’s the silence under the chatter of our time.

If you put someone in a room with no script to direct, they're just going to sit there. Writing scripts is the execution for a show. Then the director takes that and hires people. It's like trying to build a house without any bricks.

Trying to lead an interesting life, a fruitful life, is a big challenge.

I think that certainty is a closed door, It's the end of the conversation. Doubt is an open door.

People ask me if I believe in things: in God, in astrology, and I say, absolutely! I believe in everything! And I believe in its opposite. Like the positive and negative volts on a battery, you need both for power.