Classical scores go up and down; they're kind of hysterical in a way. And movie scores are much more - they just drive and move forward, and they build and can't go up and down at that same speed. It's a big job to turn that into something that pushes the movie along.

I try to live my life where I end up at a point where I have no regrets. So I try to choose the road that I have the most passion on because then you can never really blame yourself for making the wrong choices. You can always say you're following your passion.

I feel that so many sci-fi films and films in general have just become really dependent on and addicted to CGI, and that some of the big CGI films of the summer, you see these effects that look like crap. You don't know if you're watching a cartoon or something that's real. And I didn't want to fall into that trap. I really thought there was a way to use a lot of these old techniques to do some new and really neat stuff.

I'm not a comic book guy at all.

CGI means, just to be clear, creating any type of image with a computer. Basically, starting off with nothing, or with images and manipulating them. The way we did it, everything was actual photographed images. A lot of that stuff was shot through a microscope of chemical reactions, yeast growing, lots of weird things, by Peter Parks. We put it into a computer and collaged it, manipulated it. Meaning we digitally shaped it to fit with other images. But there was no computer-generated imagery at all.

I wasn't a big fan of social anthropology. And, luckily, that created room for me to work in visual arts because I sort of ignored my requirements. I think I was attracted to social anthropology because I liked to travel and was always interested in far-off places.

Artist and illustrator R. Crumb did a whole illustration of Genesis. And he didn't go away from the text; he was totally truthful. Reading through that, I was like, "Oh, wow, it's a comic-book version of the Bible." There's a lot of heavy-duty stuff that goes on that doesn't make it into Sunday school.