Gregor of Nyssa writes his work De vita Moysis as a beacon to guide a young Christian seeking counsel towards the safe harbor of virtue. Based on the biography of the significant Old Testament figure Moses, the Nyssen unfolds a theory of spiritual life and presents his audience with an exemplary and inspiring way of life. Gregory's theory includes mystical and meditative elements, with the pursuit of God—like God Himself—remaining limitless. The author first provides an insight into the time, life, and work of Gregory of Nyssa. This is followed by an introduction to the Vita Moysis. In a continuous text interpretation, the author highlights Gregory's theory of spiritual life and draws parallels to other Christian and non-Christian writers.