I therefore believe that these and many other movements of our time are in the great long picture of our civilizations related to the loss of an earlier organization of human natures. They are attempts to return to what is no longer there, like poets to their inexistent Muses, and as such they are characteristic of these transitional millennia in which we are imbedded.

Book III, Chapter 6, p. 445 - The Origin of Consciousness in the Breakdown of the Bicameral Mind (1976)