Chimpanzees can be quite political.

The hardest part of returning to a truly healthy environment may be changing the current totally unsustainable heavy-meat-eating culture of increasing numbers of people around the world. But we must try. We must make a start, one by one.

If you educate women, family size tends to go down.

If you catch somebody doing something wrong, he will just cringe away and curl up. He will not listen anymore. Instead, he will think of how he can counterattack.

Someday we shall look back on this dark era of agriculture and shake our heads. How could we have ever believed that it was a good idea to grow our food with poisons?

Just remember--if you are really and truly determined to work with animals, somehow, either now or later, you will find a way to do it. But you have to want it desperately, work hard, take advantage of an opportunity--and never give up.

Empathy is really important.. Only when our clever brain and our human heart work together in harmony can we achieve our full potential.