"Insanity" is a masterpiece of the classic of world literature by Fyodor Dostoyevsky, which is characterized by a deep insight into the human soul and a reflection of psychological conflicts. In this book, the author tells about the young student Raskolnikov, who, succumbing to powerlessness and hopelessness, commits murder and enters into a struggle with himself. Having penetrated deeply into the psychology of the main character, Dostoevsky reveals his internal struggles, doubts and moral contradictions. Every line of the book is permeated with a unique feeling of inner struggle, rise and fall. "Madness" is not only a story about a crime, but also a study of the nature of sin, morality and the principles of justice. The reader, while reading this book, rethinks his own worldview and attitude to his own moral values.