Chimpanzees, more than any other living creature, have helped us to understand that there is no sharp line between humans and the rest of the animal kingdom. It's a very blurry line, and it's getting more blurry all the time.

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

Terrorism is fueled by hate. The tragedy is that there are countless young children who are being taught to hate. Terrorism is usually fueled also by poverty.

I had this wonderful, supportive mother who didn't get mad because of all the earth mucking up my bed. She just said they'd die - they needed the earth.

Cultural speciation had been crippling to human moral and spiritual growth. It had hindered freedom of thought, limited our thinking, imprisoned us in the cultures into which we had been born. . . . These cultural mind prisons. . . . Cultural speciation was clearly a barrier to world peace. So long as we continued to attach more importance to our own narrow group membership than to the ‘global village’ we would propagate prejudice and ignorance.

Most Africans don't get to see these wild animals at all. Once they see and learn about them, they are much more likely to become involved in protecting the environment.

The Soul of Money is an inspired and utterly fascinating book. It will change the way you think about money. ... It is a book for everyone who would like to make the world a better place.