A prophecy pierced hands and feet, a mother sang through persecution, and Aquinas answers the question that sits at the center of the Christian life: what actually happens when God saves a sinner. Justin Martyr walks us through Psalm 22 as a roadmap of Christ’s suffering, crucifixion, and resurrection, pressing the point that these events were not accidental but foretold in detail—and still demand repentance from those who hear them (Psalm 22). Augustine places us in Milan, where the Church, under pressure and fear, learns to sing together, discovering that worship can carry a people through suffering and shape the Church for generations. And Aquinas brings clarity to justification itself: grace is not just forgiveness, but transformation—God moves the soul, awakens faith, turns the will away from sin, and makes the sinner righteous in a single,  ...