From the first ages of man, the fundamental truths of all that we are permitted to know on earth were in the safe keeping of the adepts of the sanctuary. These guardians of the primitive divine revelation, who had solved every problem that is within the grasp of the human intellect, know, that the difference in creeds and religious practices is only external, and physical science will reach its limits of exploration.
- Siphra Dzeniouta (The Book of Concealed Mystery) – Kabbalah
- The Popol Vuh (The Mythic and Heroic Sagas of the Kichés of Central America) – Kiche Manuscript
- Phaedrus – Plato
- Timaeus – Plato
- Aitareya Brahmanam – Vedas