This article investigates the relationship between love, law, and human nature in the thought of McCabe and Aquinas. The article puts McCabe and Aquinas into conversation in order to illuminate McCabe's estimation of the natural law as an “insufficient ethic” and a feature of ethics that sheds a “great deal of light” on the matter of human morality. The article seeks to articulate the integrity of natural morality as a feature of the Divine Wisdom that ultimately perfects natural morality via the incarnation of the Son.