Studying chimps, I came to the conclusion that being evil is something that only humans are capable of. A chimp would never plan to pull another's nails out. The chimps' way of aggression is quick and brutal. I compare them to gang attacks.

I am obstinate and I will not give in.

It's up to us to save the world for tomorrow: it's up to you and me.

I've got different ideas of complete happiness. But one is being by myself out in a forest, completely happy. Another is walking with a dog in some nice place. And three is sitting around preferably a fire, but not necessarily, and drinking red wine with friends and telling stories.

The hardest part of returning to a truly healthy environment may be changing the current totally unsustainable heavy-meat-eating culture of increasing numbers of people around the world. But we must try. We must make a start, one by one.

If you look through all the different cultures. Right from the earliest, earliest days with the animistic religions, we have sought to have some kind of explanation for our life, for our being, that is outside of our humanity.

Successful actors and actresses have to get themselves into their roles before acting. Therefore, you need to really care about what you are saying.