I didn't want to become a professor or get tenure or teach or anything. All I wanted to do was get a degree because Louis Leakey said I needed one, w….

I still think we are smart enough to not destroy planet Earth, our only home..

Never be arrogant or abrasive. Treat your opponent respectfully if they really and truly believe they are right..

You aren't going to save the world on your own. But you might inspire a generation of kids to save it for all of us. You would be amazed at what insp….

The least I can do is speak out for those who cannot speak for themselves..

Here we are, the most clever species ever to have lived. So how is it we can destroy the only planet we have?.

Only if we understand, can we care. Only if we care, we will help. Only if we help, we shall be saved..

As thy days, so shall thy strength be..

Every individual matters. Every individual has a role to play. Every individual makes a difference..

Cumulatively small decisions, choices, actions, make a very big difference..

It's not Africa that is destroying the African rainforest, it's selling concessions to timber companies that are not African, they are from the devel….

Young people, when informed and empowered, when they realize that what they do truly makes a difference, can indeed change the world..

Animals have personalities and minds and emotions..

When I look back over my life it's almost as if there was a plan laid out for me - from the little girl who was so passionate about animals who longe….

We could change the world tomorrow if all the millions of people around the world acted the way they believe..

I believe that the tragedy [like terror attack] that's caused so much grief and suffering to so many thousands and thousands of people has also serve….

You better not mess with chimps. They are much stronger than humans..

We started off with physical evolution and got our form. Then we somehow developed language, which meant cultural evolution could race so we could ch….

Animals are as deserving of a place on this planet as we are, and the difference between us is that humans have a voice they can use to help the anim….

Children can change the world..

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..