In this book, Nikolai Berdyaev examines the fundamental problems of the philosophy of history. For Berdyaev the philosophy of history is a science of the spirit bringing us into communion with the mysteries of spiritual life. The real philosophy of history is that of the triumph of authentic life over death; it is the participation of man in another reality which is much deeper and richer than the external reality in which he is immersed. The history of man and the world is rooted in "celestial history," in the deepest interior spiritual life, which can be equated with heavenly life, the life of eternity, the life of God. The source of history lies in this experience of the human spirit which is in direct communion with the divine spirit. The Russian philosopher Nikolai Berdyaev (1874-1948) was one of the greatest religious thinkers of the twentieth century. His philosophy goes beyond mere thinking, mere rational conceptualization, and tries to attain authentic life itself: the profound layers of existence that are in contact with God's world. Berdyaev directed all of his efforts, philosophical as well as in his personal and public life, at replacing the kingdom of this world with the kingdom of God. According to him, we can all attempt to do this by tapping the divine creative powers which constitute our true nature. Our mission is to be collaborators with God in His continuing creation of the world. This is what Berdyaev said about himself: "Man, personality, freedom, creativeness, the eschatological-messianic resolution of the dualism of two worlds - these are my basic themes."