A fairly young, intelligent-looking man with long hair asked me whether filming or being filmed could do harm, whether it could destroy a person. In my heart the answer was yes, but I said no.

The trees are in misery, and the birds are in misery. I don’t think they sing. They just screech in pain. …Taking a close look at what’s around us, there is some sort of harmony: it’s the harmony of overwhelming and collective murder.

[Internet] is amazing as much as human beings can be amazing, and it's debased and depraved and vile as human beings can be.

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.

Sometimes bad luck hits you like in an ancient Greek tragedy, and it's not your own making. When you have a plane crash, it's not your fault.

Here, all of a sudden, we have a revolution in - in communication, and it is - it is really, truly big. Internet is as big as the introduction of fire to the human race, or the introduction of electricity into our lives.

Chauvet Cave is rather like the awakening of the modern human soul or I would say the awakening of modern human culture. Because Neanderthal men who still rode the landscape parallel to the people who did these paintings didn't have culture. There's no evidence of culture, no symbolic depiction, no evidence of music, no evidence of sculptures, no evidence of religious beliefs.