I'm a very circumspect and prudent person, and I eliminate danger as far as it can be done.

English is a really wonderful language and I urge you all to investigate it

Everything that I've done was prudent and never has anyone gotten hurt in my films - not a single actor, not a single extra, ever.

You are confronted with abysses of time that are, in a way, unfathomable. You see a painting in charcoal of raindeer and it was left unfinished and somebody else finished it. But through radio carbon dating we know that the next one completed the painting 5,000 years later. You're just blown away by the notion of passage of time. We have no relationship to that kind of depth of time.

You have to realize that, about 20,000 years ago, there was a cataclysmic event when an entire rock face collapsed and sealed off the cave. It's a completely preserved time capsule. You've got tracks of cave bears that look like they were left yesterday, and you've got the footprint of a boy who was probably eight years old next to the footprint of a wolf.

Netflix knew I was going to North Korea and Ethiopia and Iceland. They saw the film and liked it and that was that.

I could not become an American citizen. I would not like to become a citizen of a country that has capital punishment.