royal ministers, and Peter’s prime-ministerial authority in the Church is drawn directly from Old Testament imagery: “And I will place on his shoulder the key of the house of David; he shall open, and none shall shut; and he shall shut, and none shall open” (Isa 22:22). Peter is the “Rock” upon which the new Temple of the Church is founded. The Gospel of Matthew, because it’s written to Christians of Jewish background, models itself on the Pentateuch, or the Law of Moses found in the first five books