I hate purity, I hate goodness! I don’t want any virtue to exist anywhere. I want everyone to be corrupt to the bones.
– George Orwell
Certainly the first true humans were unique by virtue of their large brains. It was because the human brain is so large when compared with that of a chimpanzee that paleontologists for years hunted for a half-ape, half-human skeleton that would provide a fossil link between the human and the ape.
– Jane Goodall