The first Polaroid ever took of someone in my family was my son when he was about four years old.

People think in narratives - in beginnings, middles and ends. The danger when you edit something too severely is that it no longer makes sense; worse still, it leaves people with the disquieting impression that something is being hidden.

Twenty to thirty years ago, who was making documentary films? Nobody. Well, relatively few people. It was an art form that had limited theatrical distribution, if any at all. Some television distribution, but relatively small audiences regardless. And in the intervening years it's become more and more popular with a lot of people.

There is a documentary element in my films, a very strong documentary element, but by documentary element, I mean an element that's out of control, that's not controlled by me. And that element is the words, the language that people use, what they say in an interview. They're not written, not rehearsed. It's spontaneous, extemporaneous material. People

I'm really interested in self-deception. Really interested in how people live in bubble universes. How people can fail to see the seemingly obvious.

We falsely interpret the world around us. We ignore evidence that doesn't support our prior beliefs and we convince ourselves we know things we don. We think we know things we don't know.

The pursuit of truth, properly considered, shouldn't stop short of insanity.