To say, "There is no nature" as the postmodernists do - this strikes me as a childish, undialectical attitude, even a dangerous, willful blindness. Yet I have to admit that there are persuasive aspects of their argument. I would say that there is an element of truth to what they say, but it is a one-sided truth. Perhaps we might say: nature exists, including human nature, but it lacks something: the Graeco-Roman western tradition would call that which it lacks "being" - and there is a kind of truth to this old-fashioned expression. To use Levinas's phrase, nature is "otherwise than being." Rather than being, nature is pure becoming . That is, it lacks permanence, regularity, constancy. It is not a "form" in the Platonic sense. Where does human nature come from? Evolution - both Darwinian, biological evolution and cultural evolution, which are inextricably bound up with each other among humans. Our cultures have evolved to ada...