FWIW, the question has been addressed under different forms according to different esoteric schools (Gnosticism, Sufism, 4th way...). This entry in the Cassiopaea glossary addresses the question: http://glossary.cassiopaea.com/glossary.php?id=142&lsel=B
For more details one can consider the corresponding chapters in The Secret History of the World IMHO.
For more details one can consider the corresponding chapters in The Secret History of the World IMHO.