Abstract

I argue against a reading of Kant's moral theory according to which Kant proposes no substantial conception of the good. Against those who place Kant in the liberal tradition on the basis of his formal, 'neutral framework,' principles, I suggest that Kant's practical and political theory rests on a valuation of the practical and cognitive virtues of self-mastery , self-sufficiency, and regularity. The appeal of Kant's principles, and hence their chances of ever being put into action, accordingly lies not in their fairness or reasonableness, but in their promise to make real repose, unity, and harmony. I support these claims by examining the role of interest in Kant's understanding of agency; by showing that the categorical imperative serves as a practical guide only on the understanding that it expresses and protects free rational activity, in which it assumes an interest; and by pulling together the scattered passages in which Kant describes the features and promises of free rational activity that have for us tremendous appeal. My investigation makes clear that such appeal, and the recognition of a conception of the good it expresses, is necessary if Kant's moral principles are to have the power to move he thinks they must