The one way the world hasn't changed: teaching is still the most important job.

I have a strong feeling about interesting people in space exploration. . . . And the only way it's going to happen is to have some kid fantasize about getting his ray gun, jumping into his spaceship, and flying into outer space.

If America is the pursuit of happiness, the best way to pursue happiness is to help other people.

A lot of people like to do certain things, but they're not that good at it. Keep going through the things that you like to do, until you find something that you actually seem to be extremely good at. It can be anything.

Learning to make films is very easy. Learning what to make films about is very hard.

A talent is a combination of something you love a great deal and something you can lose yourself in - something that you can start at 9 o'clock, look up from your work and it's 10 o'clock at night.

You want people to think. You want people to be emotionally moved. And there's a theory behind that in terms of storytelling. It has been around for thousands of years. And that's where something like live theater or a live performance is something that is very valuable because you get instant feedback from your audience and you kind of know the things that work and the things that don't work.