Rachel Cohon's Hume is a moral sensing theorist, who holds both that moral qualities are mind-dependent and that there is such a thing as moral knowledge. He is an anti-rationalist about motivation, arguing that reason alone does not motivate, but allows that both beliefs and passions are motivating. And he is both a descriptive and a normative moral theorist who, despite having resources for putting checks on our sentimentally-based moral evaluations, does end up with a kind of a relativistic account of the virtues and vices. Professor Cohon's arguments in Hume's Morality1 are tight and vigorous. Anyone working on these .