I always am surprised when people say, ‘Oh that was a nice discussion. That was fun.’ I think, ‘Fun? Fun? This is a serious matter!’ You try and try to get the right account of the moral phenomena in such cases as the Trolley Case, and getting it right is just as important as when you are doing an experiment in natural science, or any other difficult intellectual undertaking. If we worked on a NASA rocket, and it launched well, we wouldn’t say, ‘Well that was fun!’ It was aweinspiring, that’s the right way of putting it!

Frances Kamm, ‘In Search of the Deep Structure of Morality’, Imprints, vol. 9, no. 2 (2006), pp. 93-117