"La Sonate à Kreutzer" (in English, "The Kreutzer Sonata") is a novella written by the Russian author Leo Tolstoy, known as Léon Tolstoï in French. This work is a powerful and controversial exploration of themes related to marriage, jealousy, and morality. The story is narrated by Pozdnyshev, who reflects on his failed marriage and the circumstances that led to the tragedy...