Sola Scriptura Today, even as in the time of the Reformation, thousands of Catholics worldwide are leaving Roman Catholicism for biblical Christianity. And once again, the rallying cry of the sixteenth century, Sola Scriptura, Scripture Alone, is being heard. Roman Catholic defenders have responded to this challenge by going on the offensive. A typical argument sounds something like this: The Bible cannot be the sole rule of faith, because the first Christians didn’t have the New Testament. Initially, Tradition, the oral teachings of the apostles, was the Church’s rule of faith. The New Testament came later when a portion of...