It's important to stand up for your work - otherwise somebody else will step in and say they did it.

Every time I make a movie I think that it's going to be my last one, I think that no one is going to show up. I always have this sense that they're all going to fail. I am scared to death.

You've got to learn from your mistakes. And not do them again.

Well, I don't look back and celebrate. I just always worry about the next one.

Casting is so important, with any film you do. You have to get actors that you believe will fulfill the promise of the characters that are on the page.

I think it's the source material. 27 Dresses was a famous book, and Devil Wears Prada was also a wonderful book, so it's coming out of the novelists who are really creating these wonderful female characters that we want to see on the big screen.

Anybody who's really successful has doubts.