The proper route to an understanding of the world is an examination of our errors about it.

The way I go about making a movie... even the ones that are interview-driven, I go into them not knowing what's going to happen, and feeling my way through.

I am profoundly skeptical about our abilities to predict the future in general, and human behavior in particular.

The perfect war is started for obscure reasons, is hopelessly murderous, and accomplishes nothing.

Philip Glass once told me, "They can always copy what you've done, but they can't copy what you're going to do."

I like to think that one of things I've done with non-fiction since the very beginning is to find new ways of telling true stories.

Right now, we live in bad times in this country, and the fact that there are filmmakers addressing political and social issues is to me a good thing.