Through vivid examples of heroic Christians and practical spiritual counsel, this classic work reveals how ordinary virtues such as gratitude, patience, moderation, and compassion become channels of extraordinary grace. With clarity and conviction, it shows how to sanctify daily duties, offer trials in union with Christ, and cultivate a generous, recollected heart open to contemplation. Rooted in the sacraments and attentive to one’s state in life, this book provides a wise and bracing call to holiness, urging every Christian to embrace the universal vocation to become a saint and help renew the world.