What really matters is the work. And what matters to me is doing the work. I'm not looking at the back end: "What am I going to get out of this? What's going to be the reward?" I'm just looking at the work, the pleasure of being able to do the work. And that's what the fun is: To climb up the mountain is the fun, not standing at the top. There's nowhere to go. But climbing up, that struggle, that to me is where the fun is. That to me is the thrill. But once that's over, that's kind of it. I don't look too much beyond that.

The tough thing about adulthood is it starts before you even know it starts.

We've poisoned the air, the water, and the land. In our passion to control nature, things have gone out of control. Progress from now on has to mean something different. We're running out of resources and we are running out of time.

I don't remember spending any time with anybody on set. I don't spend a lot of time with people.

If we want energy security, then we have to reduce our appetite for fossil fuels. There's no other way. Other issues may crowd the headlines, but this is our fundamental challenge. Big challenges require bold action and leadership. To get the United States off fossil fuels in this uneasy national climate of terrorism and conflict in the Persian Gulf, we must treat the issue with the urgence and persistance it deserves. The measure of our success will be the condition on which we leave the world for the next generation.

It's hard to pay attention these days because of multiple affects of the information technology nowadays. You tend to develop a faster, speedier mind, but I don't think it's necessarily broader or smarter.

Problems can become opportunities when the right people come together.