Abstract

Colleen McCluskey begins Thomas Aquinas on Moral Wrongdoing with an overview of Aquinas’s account of human nature and his theory of human action. She discusses the powers of the soul, including the sensory appetite and its passions, the intellect, and the will. Crucially, she devotes considerable attention to the ways in which the passions can affect the intellect’s judgment and, thereby, the will. She then explores Aquinas’s account of the ontological status of evil as a privation, arguing that criticisms of the privation theory can be met, though the theory is not enough by itself to acquit God of responsibility for the existence of evil. The centerpiece of Thomas Aquinas on Wrongdoing is a careful exploration of Aquinas’s understanding of the three sources of moral wrongdoing: defects in the intellect, defects in the sensory appetite, and defects in the will. Finally, McCluskey examines vices, which are firmly rooted dispositions, acquired by repeated action, that prompt particular acts of wrongdoing. She provides a helpful overview of Aquinas’s treatment of the vices both in ST II-II, where the vices are discussed in relation to the virtues to which they are opposed, and in the contemporaneous De malo, questions 9–15, in which Gregory the Great’s list of seven capital vices provides the structuring principle.