“Wilful murder, for instance. Examine it in all lights, and see if you can find that matter of fact, or real existence, which you call vice.” His wager is that “you never can find it, till you turn your reflection into your own breast, and find a sentiment of disapprobation, which arises in you, towards this action. Here is a matter of fact; but ’tis the object of feeling, not of reason. It lies in yourself, not in the object.”