In this early work, Rudolf Steiner presents the essence of Christianity and its spiritual-historical position in human development. Content: Perspectives, mysteries and wisdom of the mysteries, the Greek sages before Plato in the light of the wisdom of the mysteries, Plato as a mystic, the wisdom of the mysteries and the myth, the Egyptian wisdom of the mysteries, the Gospels, the miracle of Lazarus, the Apocalypse of John, Jesus and his historical background, the essence of Christianity, Christianity and pagan wisdom, Augustine and the Church, appendix.