Bipolar disorder can be a great teacher. It's a challenge, but it can set you up to be able to do almost anything else in your life.

If my life wasn't funny it would just be true, and that is unacceptable.

People are still asking me if I knew Star Wars was going to be that big of a hit. Yes, we all knew. The only one who didn't know was George.

I like birds and dogs. I'm allergic to cats.

The only one who didn't know was George Lucas. We kept it from him, because we wanted to see what his face looked like when it changed expression--and he fooled us even then. He got Industrial Light and Magic to change his facial expressions for him and THX sound to make the noise of a face-changing expression.

I always think of Meryl [Streep] for everything now. There really aren't many actresses around who are truly lucid the way she is.

If you're manic-depressive and you're functioning in this world and doing it all well, I think, wow, you should be proud of being able to say, this is what I'm getting through right now.