"Orthodoxy" by Gilbert Keith Chesterton is a classic text in which the author expresses his thoughts about the Christian faith and the importance of religious principles in human life. Chesterton embarks on a journey to the foundations of his faith and reveals deep considerations about the essence of Christianity. It examines various aspects of faith, highlighting them in the context of the modern world and the challenges facing humanity. "Orthodoxy" is an important philosophical and religious work that leaves the reader deepening the understanding of his own faith and place in the world.