Saint Thomas Aquinas famously held the opinion that, in God's actual plan for the world, the Word would not have become flesh except to redeem us from sin. Conversely, Blessed John Duns Scotus argued that God intended Christ first, such that Christ would have come even if there had been no sin. While Aquinas and Scotus were far from the first to consider this question, they became emblematic of two seemingly irreconcilable approaches. In this book,...