Discover the wisdom of St. Claude La Colombière (1641-1682), the Jesuit saint who served as confessor to St. Margaret Mary Alacoque and ardently promoted devotion to the Sacred Heart of Jesus. In Not of the World: 20 Lessons on Following Christ without Compromise, listeners encounter a treasury of spiritual reflections drawn from his sermons, offering clarity, conviction, and pastoral depth for Christians seeking holiness amid a fallen culture. With charity and precision, St. Claude explains the sacrifice demanded by authentic love of Christ. He addresses the realities of Christian life in the world without surrendering to it, calling believers to humility, courage, and fidelity. Topics include love of neighbor, human respect, humility, the education of children, and the hidden dangers of pride and envy. Each lesson urges the listener to examine the heart, embrace the Cross, and pursue virtue without compromise. These reflections remain strikingly relevant for those tempted to conform to secular pressures. With theological insight and spiritual sensitivity, St. Claude offers guidance on eradicating vice, cultivating virtue, and remaining steadfast in the Heart of Christ. This collection forms both the conscience and the will, equipping Christians to live visibly and faithfully for the Lord.