The most fun is to inhabit the world where cartoon physics is king. And that just means that things move with kind of an energy and exaggeration and appeal that is different from what we see in our world. We're bound by, at least, Newton's Laws of physics here and in animation we're not. So, director's can be extremely eccentric, you can sculpt motion in animation in a way that you just can't do any other way. In any other performance medium.

On these feature films there are people on the staff who can draw 100 times better then I can, and animate better then I can, and light better then I can, write comedy better then I can. I basically am in the middle of kind of a creative typhoon and I'm just kind of talking the film up on to the screen. Minute to minute, meeting by meeting, day by day.

Animation has always been about technology. You can't have animation without technology.

Someday, I'd like to sit down with a small group of people, in a relaxed environment, and make a film that feels more independent. That way we can be a little more free in terms of storytelling and subject.

What made 'Ice Age' work is that it had its shiny candy coatings, but inside was a soft, creamy center.

We can't worry about competition. Besides, you aren't competing with anyone but yourself. They have nothing to do with whether you make a good movie or not.

I get a lot of credit for Tron. They called us scene choreographers back then because the animation unit wouldn't let us be called animators because we were working on computers. And we were some of the first people ever to make 3-D computer animation.