From Descartes to Dostoevsky, the debate concerning the relationship between religion and morality has raged for centuries. Can there be a solid foundation for ethics without God? Or would we be consigned to a relativist morality, where "the good" is just a product of societal values or natural selection? In this landmark work, acclaimed philosopher and theologian, Keith Ward, presents a revolutionary new contribution to this discussion. Reflecting on the work of philosophers old and new - including Hume, Mill, Murdoch and Moore - he argues that our conception of morality intrinsically depends on our model of reality. And if we want a meaningful, objective ethics, then