When you borrow you plan to pay back. We're stealing from our children - so many people have no intention of paying back.

It would be absolutely useless for any of us to work to save wildlife without working to educate the next generation of conservationists.

Certainly it's very often true that women tend to be a bit quieter and more prepared to sit there and let the animal tell you things.

Every stage of my life set the scene for the next, and at each point all I had to do was say "yes" and not think too much about the consequences.

We now know that the structure of the DNA in humans and chimpanzees differs by only just over one percent. You could even have a blood transfusion from a chimp, provided you have the same blood group.

In a very unscientific statement, I feel that there's been a disconnect between this clever brain and the heart.

War had always seemed to me to be a purely human behavior. Accounts of warlike behavior date back to the very first written records of human history; it seemed to be an almost universal characteristic of human groups.