They used to ask: "How will this decision that we make today affect our people in the future?" Now we make decisions based on: "How does it affect me, now? How does it affect the next shareholders meeting, three months ahead? How does it affect my next political campaign?"

The chimps' way of aggression is quick and brutal. I compare them to gang attacks.

You may not believe in evolution, and that is all right. How we humans came to be the way we are is far less important than how we should act now to get out of the mess we have made for ourselves.

They used to ask: "How will this decision that we make today affect our people in the future?" Now we make decisions based on: "How does it affect me, now? How does it affect the next shareholders meeting, three months ahead? How does it affect my next political campaign?"

I always loved animals. And when I was ten, I decided I had to go to Africa and live with animals and write books about them.

There are an awful lot of scientists today who believe that before very long we shall have unraveled all the secrets of the universe. There will be no puzzles anymore. To me, it'd be really, really tragic because I think one of the most exciting things is this feeling of mystery, feeling of awe, the feeling of looking at a little live thing and being amazed by it and how it has emerged through these hundreds of years of evolution and there it is and it is perfect and why.

We are unique. Chimpanzees are unique. Dogs are unique. But we humans are just not as different as we used to think.