Indeed, the mundane portrayal of Ivan's life coupled with the dramatization of his long and grueling battle with death seems to directly reflect Tolstoy's theories about moral living, which he largely derived during his sabbatical from personal and professional duties in 1877. In his lectures on Russian literature, Russian-born novelist and critic Vladimir Nabokov argues that, for Tolstoy, a sinful life (such as Ivan's) is moral death. Therefore, death, the return of the soul to God, is, for Tolstoy, moral life. To quote Nabokov: "The Tolstoyan formula is: Ivan lived a bad life and since the bad life is nothing but the death of the soul, then Ivan lived a living death; and since beyond death is God's living light, then Ivan died into a new life – Life with a capital L."