Kids clearly help center you because you can't impress your kids. People are like, "Oh, are they so excited because you're Ironman?" My kids couldn't care less. They like it when I hang out and play dad. I impress them by playing video games with them and doing well. Your kids humble you.

It's important to keep the people who know you well around you. It helps center you.

Water is an issue, and, clearly, what's happening with the filth in our environment and the levels of carbon monoxide in our atmosphere are the really scary issues right now, the very troubling ones.

Speak up when you're supposed to, as opposed to trying to write prescriptions for the way people should live.

I was about to write that in the future I would chose my words more carefully but I'm sure I won't.

There are things that are happening way earlier than that when it comes to someone deciding whether they're going to spend x amount of millions of dollars on a movie. I want $100 million success. The moviegoer is the person I'm more interested in than the Academy.

The best thing that I learned from the best directors that I worked with is that the best answer wins. They are ego-less when it comes to doing the most important thing.