 [O]ur concept of a person is an outgrowth or aspect of our concept of a human being; and that concept is not merely biological but rather a crystallisation of everything we have made of our distinctive species nature. To see another as a human being is to see her as a fellow-creature—another being whose embodiment embeds her in a distinctive form of common life with language and culture, and whose existence constitutes a particular kind of claim on us. (7)