Erich Neumann
Author: Erich Neumann
Publisher: Princeton University Press (1954)

The phenomenon of psychic duality plainly expressed in Egyptian ritual and formulated theologically thousands of years later in the famous dialogue between Nicodemus and Christ is still alive today in the not uncommon feeling that one is a 'child of God,' although a son or daughter of Mr. X.  The dual parentage evidently corresponds to some duality in human nature, here represented by the hero.