
The Thomistic Institute Thomas Aquinas and the Philosophy of Punishment – Dr. Peter Koritansky
Apr 22, 2026
Dr. Peter Koritansky, professor and director at Cleveland State University and author on Aquinas and punishment, discusses natural law, retributive justice, and how punishment expresses the moral order. He traces debates from Plato and Bentham to Aquinas, explores anger, thumos, and the irascible appetite, and argues punishment reinforces the common good.
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Book Cover Shocked Author With Medieval Branding
- Peter Koritansky recounts the surprising cover art of his book showing King Louis IX branding a blasphemer, which conflicted with his intent to rehabilitate Aquinas's reputation on punishment.
- The anecdote illustrates modern shock at medieval punishments and sets up the lecture's challenge: showing Aquinas has constructive contributions despite grim historical images.
Retribution Links Desert To Justice
- C.S. Lewis and Peter Koritansky defend retributive justice as essential because removing desert severs punishment from justice and reduces criminals to mere objects of treatment.
- Lewis warns humanitarian theories risk indefinite, unequal sentences decided by experts, not judges, and can justify punishing innocents for deterrence.
Utilitarians Reject Retribution As Backward Looking
- Bentham and utilitarians reject retribution as backward-looking and rooted in anger, insisting punishment must aim at future social goods like deterrence, rehabilitation, or incapacitation.
- Bentham mocks natural law's justification of retribution as




