Themes & patterns

The central theme of the book, contrasting the earthly city (founded on self-love and human glory) with the City of God (founded on love of God and eternal salvation), which are intermingled in history until the final judgment separates them.

Augustine presents a philosophy of history where all events, including the sack of Rome, are governed by God's providence, refuting pagan claims that Christianity caused Rome's fall and showing that earthly empires rise and fall according to divine will.

A sustained refutation of polytheistic worship, arguing that pagan gods are either fictional, demonic, or dead men deified, and that they failed to provide moral guidance or protect Rome from calamity.

The book argues that only the one true God is worthy of worship (latria), and that all earthly blessings and eternal happiness come from Him alone, not from the multitude of false gods.

Augustine defines true peace as the tranquility of order, and true justice as the proper ordering of love toward God and neighbor, contrasting the imperfect peace of earthly cities with the eternal peace of the City of God.

The narrative traces the origin of evil to the fall of angels and humans, emphasizing humanity's need for God's grace through Christ for redemption, and the role of the Church as the pilgrim community of the saved.

Augustine contrasts the superior morality taught by Christianity with the corrupting influence of pagan myths and practices, arguing that true virtue comes from submission to God, not from civic pride or philosophical speculation.

The final books discuss the end of history, including the resurrection of the dead, the final judgment, and the eternal destinies of the two cities—everlasting happiness for the City of God and eternal punishment for the earthly city.