"Man" is a philosophical book by the outstanding Russian writer Leo Tolstoy, which profoundly changes the worldview and spiritual attitude to life. In this work, the author examines the problems of sin, life, death and the eternal destiny of man through the prism of the search for the meaning of the world. The book is a spiritual essay in which the author highlights the contradiction between the needs of the soul and the accumulation of material values. "Man" not only offers his own philosophy, but also puts the reader in front of important ethical questions that encourage deep reflection and reflection on one's own goals and actions.