Life is a slippery thing to define, but it consists of two very different skills: the ability to replicate, and the ability to create order. - Matt Ridley

The subject of learning lies in the provinces of neuroscience and psychology. It is the opposite of instinct. Instinct is generically-determined behaviour; learning is behaviour modified by experience.

No horoscope matches this accuracy. No theory of human causality, Freudian, Marxist, Christian or animist, has ever been so precise. No prophet in the Old Testament, no entrail-gazing oracle in ancient Greece, no crystal-ball gipsy clairvoyant on the pier at Bognor Regis ever pretended to tell people exactly when their lives would fall apart, let alone got it right. We are dealing here with a prophecy of terrifying, cruel and inflexible truth.

There is no bone in the chimpanzee body that I do not share. There is no known chemical in the chimpanzee brain that cannot be found in the human brain. There is no known part of the immune system, the digestive system, the vascular system, the lymph system or the nervous system that we have and chimpanzees do not, or vice versa.