  Despite the failure of Moore’s argument, the question of the identity of moral properties with natural properties remains a hotly contested issue. Many believe that if Moore gave the wrong reason for disputing the possibility of these identities, he was still right to draw our attention to the apparent difference between a property that describes a natural feature of the world and a property that has prescriptive or normative significance for us. The latter tells us how things ought to be rather than telling us how things are. How could properties that play such different roles in our reflections about the world be the same?