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We admire these men for their greatness, but the truth is Augustine grappled with sexual passions. Martin Luther struggled to control his tongue. John Calvin fought the battle of faith with worldly weapons. Yet each man will always be remembered for the messages he declared-messages that still resound today. John Piper explores each of these men's lives, integrating Augustine's delight in God with Luther's emphasis on the Word and Calvin's exposition of Scripture. Through their strengths and struggles we can learn how to live better today. When we consider their lives, we behold the glory and majesty of God and find power to overcome our weaknesses. If ever you are complacent about sin, if ever you lose the joy of Jesus Christ, if ever you are dulled by the world's influence, let the lives of these men help you recapture the wonder of God. Part of the The Swans Are Not Silent series.