I'm challenged by people like Russell Crowe and Sean Penn who come in with such incredible discipline and power.

On A Beautiful Mind, there was a wall of math.

I know for myself my big, long friendships they don't have the same problems any more, but they also-when you get together you often times just have a drink and watch football together. You're not really talking about everything so much the same way. You just need to be around each other, and yet you can look at each other and so much is said just between those minutiae- it's totally subtle is really what it is. I felt like that, you know, a life that's been so totally dramatic then becomes beauty in the fact that it's just so small.

Always do something different. Always different things.

What matters is that you enjoy doing something creative. And I'm more and more seeing that as the key. That success and money or any sort of accolades are really not the experience of the journey. It's all about the process of building something.

I visited those friends who'd just had a baby, and she was washing dishes and he was cleaning the house, and I burst with happiness. And in their minds, they were in this terrible domestic rut

At a certain point, even if the one alpha male is dominant, at a certain point there's a younger lion that is stronger, and everyone knows it.