My advice to actors? To successful actors, it's, "sock it away," and unsuccessful actors, it's just, "Just keep at it. Don't do it unless you have to do it and if you have to do it, keep you've got to keep your instrument in shape. You just got to keep on getting better. If you're not getting better, you're standing still.

You try to go where the great scripts are, if you can, or you go where the not great scripts are, because that's what's being offered to you.

I wouldn't say 'Avatar' changed my life, but it definitely changed my career.

The truth is, I'm a character guy. That's how I see myself. I always see the role as being far more interesting and important than I am... not all actors approach it that way.

I've always been curious as to why one man jumps out of a fox-hole with a grenade and charges a machine gun nest and his buddy, who sits right there next to him, sits there cowering. My feeling is that the different is tiny between the two.

I think that war is diplomacy. There have been wars that have been fought for righteous reasons and there are wars that have had to be fought. Indeed, there will continue to be.

I get a lot of people coming up to me and saying, "I really hate you." And they say it in the nicest possible way and I accept it. It's the people who come up to you and say, "I really liked your character. Man, he was right!" Those are the ones you worry about.