For a long time, I was afraid to be alone. I had to learn how to be alone. And there are still times when I think, Uh-oh! I gotta talk to somebody here or I'm gonna go crazy! But I like to be alone. Now I do. I really do. There's a big luxury in solitude.

There is no way you can get people to believe you on screen if they know who you really are through television.

I'll tell you one thing: Don't ever give anybody your best advice, because they're not going to follow it.

When I am cast in a movie where I feel that the woman's part is more interesting, I usually start thinking about Spencer Tracy and Fred Astaire. They seem to be the most clear actors when working with women.

I never thought in terms of typing myself, because I wasn't that successful. After an actor has done a few pieces of work, his naïveté is the part of the craft he has to nurture most.

The only way to break a bad habit was to replace it with a better habit.

I was particularly proud of my performance as the Joker. I considered it a piece of pop art.