Was coercion ever considered a legitimate tool in the defense and preservation of the Catholic faith? In this episode, we examine St. Thomas Aquinas’ reasoning behind the medieval position that civil and ecclesiastical authorities could compel heretics—by force if necessary—to return to the Church.

We’ll explore the theological arguments, historical backdrop, and the later development of doctrine, including how Vatican II approached religious liberty in light of earlier teaching. Whether you’re a student of medieval theology, Church history, or modern doctrinal development, this episode offers a sober deep dive into one of the most challenging topics in Catholic thought.

St. Thomas Aquinas on Why Heretics Should Be Forced to Return to the Faith