The Source of Ought

Where can morality be found?

David Hume, one of our earliest critics of rationality, pointed out that you cannot ‘derive an ought from an is’,¹ meaning that it is impossible to reach any moral conclusion—about what is right and wrong, or good and bad—from the facts alone. To put this another way; it is impossible to find quality in quantity. 

Hume’s ‘is-ought’ problem has remained un…