Primates stand at a turning point in the course of evolution. Primates are to the biologist what viruses are to the biochemist. They can be analysed and partly understood according to the rules of a simpler discipline, but they also present another level of complexity: viruses are living chemicals, and primates are animals who love and hate and think.

If sex evolved so that your children are not condemned to be just like you, intelligence evolved so that you are not condemned to be just like yourself.

Primates stand at a turning point in the course of evolution. Primates are to the biologist what viruses are to the biochemist. They can be analysed and partly understood according to the rules of a simpler discipline, but they also present another level of complexity: viruses are living chemicals, and primates are animals who love and hate and think.

Anyone who has lived through an English winter can see the point of building Stonehenge to make the Sun come back.

We evolved. We have only to look at the pouting face of a young chimpanzee to laugh at its reflections of ourselves. We know that more then 98 percent of our genes are shared with the chimpanzee, but we feel the kinship directly when the furry baby puts up its arms to be held.

Human consciousness becomes a terrible gift which challenges the power that gave it.