Hume's Internalism

Hume's Internalism1 Dorothy Coleman Hume is typically taken to be an internalist, that is, one who maintains that motivation is built into the acceptance or affirmation of a moral judgement.2However, Hume didnot provide any systematic defence of the internalist view, and consequently his views about moral motivation are problematic. Recently, for example, it has been argued that Hume is an externalist, one who maintains that the acceptance of a mora] judgement does not itself motivate but requires independent desires to do so.3 This suggests thatclarification is needed to determine more precisely Hume's position on the issue ofmoral motivation. Since the distinction between internalism and externalism is a twentieth-century one,4 something should first be said about the wisdom of describing Hume in these terms. The contemporary debate between externalism and internalism concerns both the nature of moral motivation, whether moral judgements are themselves motivating, and the reason for this concern: internalists hold that motivation must be built into moraljudgements because it is "essential for an action's being or being shown to be obligatory."5 As Nagel puts it in ThePossibility ofAltruism, the problem with externalist accounts of motivation is that they cannot justify the requirement to perform one's obligations, "for they permit that someone who has acknowledged that he should do something and has seen why it is the case that he should do it, to ask ifhe has any reason for doing it."6 Seen in this way, the debate is about how to justify morality, how to account for our obligation to be moral at all, and how to answer the question, "Why ought I be moral?" Hume, on the other hand, was a thoroughgoing naturalist. He intended not tojustify morality but rather to provide its "natural history," a narration of the origin of moral concepts out of a set ofsocial and environmental conditions together with passions that constitute human nature. For example, concerning what he called the artificial virtues, such asjustice or the regardfor the public good, Hume argued that while the original motive to be just is self-interest, once individuals are educated and socialized into a community regulated by rules ofjustice, they come to "internalize" or moralize these norms so that their motive for being just is no longer self-interest but simply a regard for the public good, the sense ofjustice itself. Hume's concern with internalism, then, seems far removed from the problem of justifying morality that propels the current debate. Volume XVIII Number 2 331 DOROTHY COLEMAN Even though the internalist-externalist distinction applies only anachronistically to Hume, as long as those engaged in the contemporary debate insist on identifying historical figures as exemplars of one or the other of these viewpoints, and even disagree about who does and why,7 clarification of the extent to which this distinction can apply to Hume would be of assistance. Since the justification of morality is not a problem Hume addressed, for the purpose ofthis paper I will use the terms internalism and externalism to refer only to theories about moral motivation. To defend this interpretation ofHume, it will help first to clarify his terminology: whathe meantby moraljudgement, moral sense, and action from a sense ofduty. Hume claimed that moral judgements are based on feelings of pleasure or displeasure arising from impartial or disinterested reflection on the general influence ofmotives or traits of character. Those motives or passions that produce impartial feelings of approval are judged to be virtues; those that produce impartial feelings ofdisapproval arejudged to be vices.8 By moral sense or moral passions Hume meant feelings of approval and disapproval by which passions are judged to be virtuous or vicious.9 In defining duty or obligation, Hume stated that these are actions or qualities of mind whose neglect or non-performance causes disinterested displeasure or disapproval (T 517). To act from ásense ofduty or virtue would then be to be motivated by the sense whichjudges what our duties are, namely, bymoral passions, the feelings ofdisinterested approval ordisapproval ofmotives and the actions ofwhich they are signs. Thè Evidence for Hume's Internalism Hume's commitment to an internalist theory of ethical motivation is nowhere made explicit...