“To a significant extent morality is not a self-contained system with its own proprietary vocabulary and problems: it is inextricably tangled with our normative and evaluative thought and talk in general, which extends to reasons, rationality, aesthetics, etiquette, and much else besides. Concerns about the status of morality soon spread like spilled ink: if there’s no room for ethics in a disenchanted nature, most of our distinctively human form of life is also excluded.”