By Francis X. Maier, The Catholic Thing - Whoever knows the Old and New Testaments, and then reads the Koran, clearly sees the process by which it completely reduces Divine Revelation [emphasis in original]. It is impossible not to note the movement away from what God said about Himself, first in the Old Testament through the Prophets, and then finally in the New Testament through His Son. In Islam, all the richness of God’s self-revelation, which constitutes the heritage of the Old and New Testaments, has definitely been set aside.... – St. John Paul II, from Crossing the Threshold of Hope