Martin Scorsese does it for the storytelling; Kathryn Bigelow does it to talk about the issues. And Steven Spielberg does it because he's an addict.
A couple of weeks back, Tom Hawking combed through some of his favorite quotes and offered up a few words from some legendary musicians about why they do what they do. That post was so well liked that I decided to seek out similar thoughts from some beloved moviemakers, to find out what drives them, what motivates them, and what pushes them to create.
This post also appears on Flavorpill, an Atlantic partner site.