None of the chase scenes that I did had any opticals. We had to do all of that physically. The first thing you have to do is see it in your mind's eye. You have to envision it. Imagine someone knitting a sweater or a scarf. They either have a pattern in front of them, or they see a pattern in their mind's eye. Then it's one stitch at a time. That's what shooting a chase is like.

You don't leave the film alone. You have a new audience, and you have a new medium. Why would you leave it alone? Film is not an antique. It's not a relic. It's not a Leonardo da Vinci. I don't want someone painting over a da Vinci or Rembrandt. But these movies aren't that.

Even with some of the best action films like 'The Bourne Ultimatum,' which is a great action film with a great chase sequence, so much of it is computer-generated. But that doesn't bother me. I think it works. It's fantastic.

We were just trying to make the films that we could get made, and to push the envelope. We didn't realize how far we had pushed the envelope. That all came later. That all came from books and articles about the golden age of the '70s. Believe me, to a lot of us, it was no golden age. The studio heads were very powerful then. They would fire guys right and left. They would look at your dailies and tell you what was wrong with them... a lot of stuff that doesn't go on today. Young filmmakers who are successful today, they don't often have that to put up with.

None of the chase scenes that I did had any opticals. We had to do all of that physically. The first thing you have to do is see it in your mind's eye. You have to envision it. Imagine someone knitting a sweater or a scarf. They either have a pattern in front of them, or they see a pattern in their mind's eye. Then it's one stitch at a time. That's what shooting a chase is like.

All the great countries are at odds with one another over something, and yet if they don't cooperate they're going to blow up.

I had absolutely no focus as a kid. I never paid attention at school, I never went to college. Not because we were too poor; we were. But if I wanted to go to college, I would have found a way.