This invisible face is the allegory of the god Jahveh that can only be seen with a mirror, his glace inspires fear in the minds, that due to a lack of instruction do not understand that the fearful, destructive and exterminating god of the Old Testament protects the soul of the body’s vices.
More of the above at Mirror and Art.
Even the Vatican has chimed in on the theory.
- Garry J. Wise, Toronto