 What then are these features? That is a big question, because Williams spent pretty well his whole career describing and criticising them. But he gives his most straightforward, and perhaps the definitive, summary of what the “morality system” comes to in the last chapter of Ethics and the Limits of Philosophy. (The chapter’s title provocatively describes morality as “the peculiar institution”, this phrase being the American Confederacy’s standard euphemism for  slavery.[11])