Rights for chimps the guardian , july 29, 1999
Abstract
The unknown author of Genesis portrayed God as first creating the animals and then making man in his own image. Ever since, western tradition has tried to draw a sharp divide between ourselves and other animals. Even after Darwin had shown the continuities between ourselves and other apes, we have tried to cling to the idea that there is something quite unique to human beings, some way in which we differ, not only in degree, but also in kind, from animals. The most popular candidate for that unique distinction is our use of language.