If you work hard and be persistent, you will achieve whatever you want to do.

The cheapest and most efficient way of slowing down global warming is to protect and restore the forests, particularly the tropical forests

Without the heart to ground it and open it to who we really can be as human beings, the brain is a very dangerous machine. A machine that is saying: we've got to have economic growth; we've got to have unending economic growth, otherwise societies will collapse. And yet there should be something saying: wait a minute, this isn't going to work.

One thing I had learned from watching chimpanzees with their infants is that having a child should be fun.

Every single day, we could be in a motorcar accident, so, we have to carry on with our lives, and not imagine terror around every corner.

Other people have talked about chimpanzees being a window into the past, which I suppose is true, in a way.

There are many people out there (me being one of them) who can vouch that animals have feelings; they feel compassion and love, as well as pain!