I might have entitled this lecture ‘The origins of morality’ or, ‘Where does morality come from?’. These titles sound vaguely historical, and would therefore have been misleading; whereas I suppose ‘The Foundations of Morality’ sounds in some sense analytic, and therefore more familiarly, perhaps painfully, philosophical. But I do not think that these different titles would mark a substantial difference in what I aim to explore, albeit superficially, in what follows. What interests me is the question how, or on what, is the moral sense of any individual founded?