Empathy is really important.. Only when our clever brain and our human heart work together in harmony can we achieve our full potential.

You have to realise that touching is a real violation of personal space.

Lasting change is a series of compromises. And compromise is all right, as long your values don't change.

As a child, we couldn't afford holidays overseas, so instead I travelled through books. I was inspired by Dr Dolittle and Tarzan.

If we kill off the wild, then we are killing a part of our souls.

It has actually been suggested that warfare may have been the principle evolutionary pressure that created the huge gap between the human brain and that of our closest living relatives, the anthropoid apes. Whole groups of hominids with inferior brains could not win wars and were therefore exterminated.

When you meet chimps you meet individual personalities. When a baby chimp looks at you it's just like a human baby. We have a responsibility to them.