The City of God stands as Augustine's masterwork of theological defense and construction, written over thirteen years in response to accusations that Christianity brought ruin upon Rome. This first volume contains the first ten books of sustained refutation—demolishing pagan claims that traditional worship secured either temporal prosperity or eternal happiness—followed by the beginning of his positive vision in Books Eleven through Thirteen, where he traces the origin of two societal orders to the primordial division among the angels. What emerges is not merely an apology for Christianity but a philosophy of history that subordinate the fate of empires to the hidden providence of the one true God, whose sovereignty extends from creation through the fall to the final judgment.
Augustine illustrates the superiority of the true miracles by recounting the history of the Ark of the Covenant. The law of God, given through the ministry of angels and commanding exclusive worship of the one true God, was deposited in the ark as a testimony to His will. This ark accompanied the people through the wilderness, preceded by the sign of cloud by day and fire by night. When the people crossed the Jordan River, the waters parted before the ark. When they encircled the walls of Jericho, the fortifications fell without human assault. When the ark was captured by the Philistines and placed in the temple of their god Dagon, the idol was found prostrate and shattered before it. These wonders, though small matters for omnipotence, were mighty to instruct and terrify men, confirming the religion that forbids sacrifice to any but the one God. They attest the presence of divinity at the time predicted, and commend that religion which forbids the offering of sacrifice to any celestial, terrestrial, or infernal being, and commands it to be offered to God only, who alone blesses us by His love for us, and by our love to Him.
The culmination of God’s redemptive work is found in Christ, the true Mediator and the conqueror of demons. Unlike the deceitful mediators of theurgy, who demand worship and lead souls astray, Christ—though equal with the Father—in the form of a servant chose to be a sacrifice rather than to receive one. He is both the Priest who offers and the Offering that is presented. Through His death, He conquered the demons not by propitiating them but by triumphing over them. The saints who follow Him conquer the powers of the air not by appeasing evil spirits but by abiding in God and exercising true piety. They pray not to demons but to God against the demons, and they overcome through the name of Him who assumed humanity without sin, that He might bring about the remission of sins. For men are separated from God only by sins, from which we are in this life cleansed not by our own virtue, but by the divine compassion; through His indulgence, not through our own power.
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