The wonderful thing is that Clive [Oppenheimer ] insisted on training his camera - his private camera - on me at one point. We were discussing things such as how to avoid certain dangers, while reflecting on a volcano that had threatened to explode 40 years ago.

It's curiosity, and always a sense of poetry. You see it in particular in the chapter "Iceland" where I'm reciting ancient Icelandic poetry. It has this very beautiful gravitas in conjunction with the volcanoes.

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.

After "Jack Reacher" the parts I didn't like, most of it was silly.

The universe couldn't care less about us. I say this very clearly in the film [ "Into the Inferno"]: our planet is "indifferent to scurrying roaches, retarded reptiles and vapid humans alike."

Fragility of modern world leaves me with the idea we'd better anticipate what's going on. We take our right steps today and now. And we'd better avoid, that we are overdependent on, let's say, the internet.

If you’re purely after facts, please buy yourself the phone directory of Manhattan. It has four million times correct facts. But it doesn’t illuminate.