When we face moral choices our awareness of moral law is triggered by the conscience, but where does this moral compass get its authority? There would seem to be just four possibilities. The first is that it springs from nature, but this is obviously not the case. Admitting, ‘I do have a strongly developed sense of good’, Dawkins adds, ‘But as a biologist I haven’t a very well worked-out story where that comes from … I would … say that it is just something that has emerged.’77 Yet evolution