There is so much investment in it of people's labor time that it will never make money. But there are other documentaries that you might make that are sort of on assignment for television that turn around in three to six months. Then the margin can be much be better for you because you're not spending three-and-a-half years on it. So I think if you're doing documentary films, that's sort of the way to look at it.

Each project draws you in on its own merits as opposed to an intellectual choice of, "Well, I'm going to shift from vérité filmmaking to more archival."

If you look at the gifted sportsman, like Tiger Woods, or Ryan Giggs, you can see how they have been built up to be so much more than one person could ever be.

You know, and the fact that Nina Simone had to start playing in clubs and sing because her parents had moved north to support her music education. You know, so she had to sing. She had to make a living 'cause she was supporting her family. So poverty and race put her in this place which, you know, created enormous success, but it's not what her psyche was all about.

Bobby Fischer was hugely important for the American chess community because it put chess on the map - he made it possible for other chess players to make a living.

I think all of us, looking back on our careers and our lives, there'll probably be a "road not taken" that we'll regret and mourn. Certainly, artists will always feel that way, especially when the path taken was more commercial than the one not taken.

When your entire life is focused around one goal and one goal only, and you have no other pursuits, it enables you to achieve enormous mastery.