With 'Avatar,' I thought, Forget all these chick flicks and do a classic guys' adventure movie, something in the Edgar Rice Burroughs mold, like John Carter of Mars - a soldier goes to Mars.

I was always fascinated by engineering. Maybe it was an attempt maybe to get my father's respect or interest, or maybe it was just a genetic love of technology, but I was always trying to build things.

With 'Avatar,' I thought, Forget all these chick flicks and do a classic guys' adventure movie, something in the Edgar Rice Burroughs mold, like John Carter of Mars - a soldier goes to Mars.

Jack: Rose! You're so stupid. Why did you do that, huh? You're so stupid, Rose. Why did you do that? Why? Rose: You jump, I jump, right? Jack: Right. Rose: Oh God! I couldn't go. I couldn't go, Jack. Jack: It's all right. We'll think of something. Rose: At least I'm with you.

Go home, pick up your video camera, and make a film.

The literature now is so opaque to the average person that you couldn't take a science-fiction short story that's published now and turn it into a movie. There'd be way too much ground work you'd have to lay. It's OK to have detail and density, but if you rely on being a lifelong science-fiction fan to understand what the story is about, then it's not going to translate to a broader audience.

I like the evening in India, the one magic moment when the sun balances on the rim of the world, and the hush descends, and ten thousand civil servants drift homeward on a river of bicycles, brooding on the Lord Krishna and the cost of living.