I probably wouldn't have done [ Fred Leuchter story] if it was just a story about an executioner or a holocaust denier, but the combination of the two elements was irresistible. So yeah, I find it strange that there are so many people out there now.

Forty years ago this country went down a rabbit hole in Vietnam and millions died. I fear we're going down a rabbit hole once again - and if people can stop and think and reflect on some of the ideas and issues in this movie, perhaps I've done some damn good here!

There is such a thing as truth, but we have a vested interest in not seeing it, in avoiding it.

I actually wanted to publish [ interview with Donald Trump about Citizen Kane] in the New York Times, but the circumstances under which I did that movie made me vulnerable to a lawsuit and at this point in my career, I don't want to go there. But it's amazing.

Robert Nozick [a Havard philosopher, famous for his book "Anarchy, State and Utopia"] defined revenge as delivering the message that you know what someone has done, and it doesn't involve hurting them or doing anything to them beyond that. It's just delivering the message that their crime has been noted not just by its victims, because the victim might be dead, but by another who has a different moral view and will challenge the perpetrator's view.

If you want to trick someone with a photograph, there are lots of easy ways to do it. You don't need Photoshop. You don't need sophisticated digital photo-manipulation. You don't need a computer. All you need to do is change the caption.

Truth and falsity is something that concerns language, it's a property of language.