Ten years ago in Antarctica shooting "Encounters at the End of the World," I met a very fine volcanologist from Cambridge University [Clive Oppenheimer] and we kept talking about doing a film and all of a sudden it became serious when he hinted at the possibility to film in North Korea.

You have to be very prudent with what you are doing and what sort of tools you are utilizing. Drones have become a wonderful new tool in filmmaking.

I make films because I have not learned anything else and I know I can do it to a certain degree. And it is my duty because this might be the inner chronicle of what we are. We have to articulate ourselves, otherwise we would be cows in the field.

I don't dabble, I'm good at acting.

If your project has real substance, ultimately the money will follow you like a common cur in the street with its tail between its legs.

I think I would be a good villain in a James Bond movie. They were fairly weak, the last half-dozen of villains in James Bond movies were not that convincing.

For such an advanced civilization as ours to be without images that are adequate to it is as serious a defect as being without memory.