I became intensely aware of the being-ness of trees. The feel of rough sun-warmed bark of an ancient forest giant, or the cool, smooth skin of a young and eager sapling, gave me a strange, intuitive sense of the sap as it was sucked up by unseen roots and drawn up to the very tips of the branches, high overhead.

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?

Maternal behavior helps when you have to be patient with nonverbal creatures.

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

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 developed world - Japan, America, Germany, Britain.

Certainly, if you look at human behavior around the world, you have to admit that we can be very aggressive.

Being evil is something that only humans are capable of.