We are just a blip. I found it very interesting when Clive [Oppenheimer] interviewed the Ethiopian scientists and asked them, "Do we have another 100,000 years?" In their calculation, mankind will be entering a very critical phrase a thousand years from now.

We were very, very lucky [with Tim White filmed making historic discoveries in the East African Rift ] . In 100 years, only three skeletal remains [of early man] were ever found at this site. This was the third one, and we were right there when it happened. In fact, when I first heard they had found something, I said, "Please stop it! Don't do anything right now. Let's do it tomorrow until we have unpacked our cameras and assembled our stuff.

There are certain ways, narrative forms, that do not function as a continuation, for example, of 3D movies. You see, what is obvious to me is virtual reality or immersive 360 degrees virtual reality is not somehow a part of 3D movies, and it is not a new form of video games, it's neither, it is something completely new, something different, and nobody has come up yet with real convincing content.

I prefer to be alive, so I'm cautious about taking risks.

I know for sure that there is only one step from insecticide to genocide.

All of a sudden it's twelve-year-olds who are contacting me, fifteen-year-olds, and they have very, very fascinating questions. However, they speak in a language of their age group which I have to learn first.

It's very strange, for example, in North Korea where the volcano at the Chinese border is some sort of the mythical birthplace of the Korean people.