Our brain is almost the same as the chimps', but we have language, we have electronic communications, we've put people on the moon - we are immensely more intelligent. And yet: how come the being with the most extraordinary intellect ever is destroying its only planet?

You can't do everything. You can't do health and forestry and agriculture. You've got to focus and do one or the other.

I don't have any idea of who or what God is. But I do believe in some great spiritual power. I feel it particularly when I’m out in nature. It’s just something that's bigger and stronger than what I am or what anybody is. I feel it. And it's enough for me.

Having respect for animals makes us better humans.

The problem of the chimps is that they can only sit and look. They can't discuss what they feel. All that feeling is trapped within each one.

I cannot remember a time when I did not want to go to Africa to study animals.

There is a lot of corruption all over the world and not only when it comes to illegal wildlife trade! There are a few ways to ensure this stops: If there are no customers, there will be no trade.