St. Francis of Assisi by G. K. Chesterton is a biographical account written in the early 20th century. The book explores the life and significance of St. Francis, emphasizing his extraordinary character and spiritual journey. Chesterton aims to shed light on the complexities of St. Francis’s life, revealing how his actions intertwine social compassion with deep religious conviction. The opening of the book discusses the different approaches one could take in the portrayal of St. Francis, emphasizing the challenges in both secular and purely devotional interpretations.

Chesterton identifies a need for understanding St. Francis as both a historical figure and a saint rooted in his Christian faith. He outlines the dichotomy between Francis’s joyful, loving spirit and his ascetic practices, suggesting that these contradictions can only be reconciled through a deeper understanding of Francis's mystical experience. As the passage unfolds, it prepares the reader for a detailed exploration of Francis's life, laying the groundwork for a narrative that balances historical context with profound personal transformation.