The Rock Is Christ. CYRIL OF ALEXANDRIA: The rock is Christ. He is a wall and a shelter to us who believe and a perfect guardian, which is denoted by the wall. When you arrive, he says, you will be protected with every defense. Fragments in the Commentary on the Song of Songs 2.14. Undeserved Gift. AUGUSTINE: Man’s merit is a free gift, and no one deserves to receive anything from the Father
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