If you look through all the different cultures. Right from the earliest, earliest days with the animistic religions, we have sought to have some kind of explanation for our life, for our being, that is outside of our humanity.

We're the ones who can make a difference. If we lead lives where we consciously leave the lightest possible ecological footprints, if we buy the things that are ethical for us to buy and don't buy the things that are not, we can change the world overnight.

Of course animals have a personality and emotions.

Hundreds and thousands of young people around the world can break through and can make this a better world for all living things. Once young people know the problems and are empowered to act, they have great power to impact the world.

I do not want to discuss evolution in such depth, however, only touch on it from my own perspective: from the moment when I stood on the Serengeti plains holding the fossilized bones of ancient creatures in my hands to the moment when, staring into the eyes of a chimpanzee, I saw a thinking, reasoning personality looking back. You may not believe in evolution, and that is all right. How we humans came to be the way we are is far less important than how we should act now to get out of the mess we have made for ourselves.

A sense of calm came over me. More and more often I found myself thinking, "This is where I belong. This is what I came into this world to do.

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