"L'illustre Olympie, or St. Alexius: a tragedy" is a work of the French writer Nicolas-Marc Defontaine, which impresses with its depth and sense of heroic chivalry. This tragedy tells about the life and exploits of Saint Alexius, who prefers piety and detachment from worldly goods. The author successfully combines religious motives with the tragic fate of his hero, bringing his self-sacrifice and faith to the fore. This tragedy not only reveals the fine skill of the writer, but also invites readers to think about important aspects of faith and morality in human life.