lies in the notion of duty; but every man (as a moral being) has it originally in himself; the obligation, then, can only extend to the cultivation of it and the strengthening of it even by admiration of its inscrutable origin; and this is effected by showing how it is just, by the mere conception of reason, that it is excited most strongly, in its own purity and apart from every pathological stimulus; and it is improper to call this feeling a moral sense; for the word sense generally means a theoretical power of perception directed to an object; whereas the moral feeling (like pleasure and displeasure in general) is something merely subjective, which supplies no knowledge. No man is wholly destitute of moral feeling, for if he were totally unsusceptible of this sensation he would be morally dead; and, to speak in the language of physicians, if the moral