When we speak about trespassing, we speak about artistic trespassing. You have to be prudent and have common sense and a sense of responsibility when you're trespassing. I think you haven't seen a film on volcanoes like that before. It's not National Geographic. It is wildly imaginative and very poetic and has a sense of awe that you normally do not see in films.

I always felt completely confident - it's like in a feature film, knowing your principle character is extremely well-cast. I had that same confidence in Clive [Oppenheimer].

When I film, there are no emotions. That would be the last thing.

The universe is not harmonious: you know that by looking outside.

In Germany, you would be hanged if you cracked a joke about Hitler and you would be killed by the state if you were insane in a project of euthanasia.

Gaining trust is not difficult for me. I needed to gain the trust of the North Korean supervisors.

The danger is to stupidly believe that depicting facts gives us much insight. If facts were the only thing that counted, the telephone directory would be the book of books.