Spiritual Wisdom in the Early Christian Centuries (Lectures Section) By Rudolf Steiner | August 17, 2013 - 12:01 am |August 17, 2021 Anthroposophy, [email protected] (Rudolf Steiner), Lectures, Occult Science, Recommended Link: http://wn.rudolfsteinerelib.org/Lectures/SpiWis_index.html Bookmark the permalink.