This significant volume presents two of the most influential works in the history of Christian literature: Saint Augustine’s 'City of God' and 'Christian Doctrine'. As part of the prestigious Nicene and Post-Nicene Fathers series, this collection provides readers with direct access to the thoughts of one of the Church’s greatest thinkers. Augustine explores the relationship between the earthly city and the kingdom of God, offering a framework for understanding how faith intersects with human culture and history. In 'Christian Doctrine', he further outlines the principles of biblical interpretation that have shaped theological study for over a millennium. Whether you are a scholar, a student of church history, or a believer seeking to strengthen your intellectual roots, this book offers timeless wisdom that remains relevant today. This Cosimo Classics edition preserves the integrity of Philip Schaff’s original editorial work, ensuring that you have an accurate and readable resource for your personal library. Rediscover the intellectual heritage of the early Church and let Augustine’s brilliance challenge and refine your own understanding of the Christian faith.