"From the Initiation" by Rudolf Steiner is a profound non-fiction book that delves into the theme of initiation and its associated spiritual aspects. It examines the concepts addressed in Schuré's "Mystery of Eleusis" and connects them with anthroposophical pursuits. The book illuminates the essence of initiation, the role of the "Guardian of the Threshold," and the relationship between initiation and the mysteries of death. Additionally, it discusses the individual path of initiation, using examples such as Thomasius, Capesius, and Strader. The purifying power of thought is emphasized as a central aspect of the initiation process. With a hardcover and 168 pages, this work offers a well-founded exploration of philosophical and religious themes that will interest readers engaged with the history of spirituality and anthroposophical teachings.