The chance that any given sentence is a lie, rather than a truth, I think, is fairly great. An intentional lie, a self-deception, a misconception - there are lots of categories of untruth, not one grab bag. And hotographs can reveal something to us, and they can also conceal things.

There's a line I love in Conan The Barbarian where someone says, "That used to be another snake cult, now I see it everywhere." That's certainly true of documentaries. I wouldn't say it's ubiquitous, but it's become close to ubiquitous. It's everywhere.

My films are as much concerned with truth as anything in vérité. Maybe more so.

This uses a lens system, which I have used for years in various different ways, but I've never used it in the context of an interview. This is the very first time that I've done that. It's a lens called The Revolution, so it allowed me to interview Elsa [Dorfman] and actually operate the camera. Well one of the cameras, because there were four cameras there.

Simply coming to the perpetrator and delivering the message is Nozick's definition of revenge. And in that sense, Adi is exacting revenge. When people ask, "Does Adi want revenge?" - they mean violent revenge. But in Nozick's formulation, it is revenge. That is the essence of revenge.

Interviews, when they are just simply an exercise in hearing what you want to hear, are of no interest. And many, many, if not most interviews have that character. The interviewer who comes in with a list of bullet points they're going to address one after the other. Interviews, properly considered, should be investigative. You should not know what you're going to hear. You should be surprised.

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.