“’Know Thyself,’” by former Grand Master Rodman R. Clayson, from the “Celebrating 100 Years of the Rosicrucian Digest Magazine!” issue of the Rosicrucian Digest. In this podcast, taken from a 1950s Digest, Frater Clayson discusses the mystical meaning behind the famed maxim found on the Temple of Apollo at Delphi. Running Time: 15:43 | 15.1 […]