Doors will slam in your face. You must pick yourself up, dust yourself off, and knock again; it's the only way to achieve your goals in life.

In a sense, comic books are frozen movies. If you look at a comic book, you are generally seeing the storyboard for a film. The great advantage of comic books, over the years, has been that, if they are frozen movies, they are not limited by budget. They are only limited by imagination.

I reject the concept that comic books in movies are a genre. I have been fighting that for many years, with the powers-that-be in Hollywood.

If you look at all the comic book films that have come since then, in terms of tone, in terms of look, even in terms of Danny Elfman's music for Batman, so many that followed have been inspired by that, specifically. It had a cultural impact worldwide.

When you are dealing with approximately two-plus hours every few years to do a story, you don't have the luxury of having excessive screen time to explore, in detail and in-depth, lots of other subsidiary or ancillary supporting characters.

If you talk about genres - I don't care if you're talking about war, Westerns, science fiction, horror, fantasy, humor, romance - anything you can find, strolling the aisles of a Borders or a Barnes & Noble, I can bring you many comic books representing each genre.

There's so much technology [in the Batman movies] that's unbelievable and seems unreal, so it's hard trying to get the audience to believe that it all exists. So we got Morgan Freeman to tell them that it's real. And that is why Christopher Nolan is a genius.