Lost Illusions, by Honoré de Balzac, is one of the cornerstone works of his vast literary cycle La Comédie Humaine and a powerful critique of 19th-century French society. The novel follows the journey of Lucien de Rubempré, a young and ambitious poet from the provinces who moves to Paris in pursuit of literary fame. Through his experiences in the corrupt worlds of journalism and publishing, Balzac exposes the moral compromises, shifting loyalties, and the harsh realities of a society driven by wealth, status, and superficial success. Since its publication, Lost Illusions has been praised for its rich narrative complexity, keen psychological insight, and vivid social commentary. Balzac masterfully portrays the conflict between artistic integrity and material ambition, between the provincial innocence of Lucien's origins and the cynical pragmatism of the Parisian elite. The novel explores themes such as betrayal, vanity, and the fragile line between illusion and reality. The enduring power of Lost Illusions lies in its timeless portrayal of the dangers of idealism in a world governed by power and money. It remains a profound meditation on ambition, disillusionment, and the personal cost of chasing success, making it one of the most resonant and relevant novels in the history of French literature.