Civilizations and social orders have not been geared to the fulfillment of human potential (even now, for all of our liberal thought), but to the suppression of abilities that did not fit in with the basic assumptions about the nature of the self. We inhibited any such evidence from conscious awareness, developing a kind of one-line official consciousness. Opposing data did not disappear, but formed powerful undercurrents that composed the unofficial knowledge of the race.

p. 275 - Psychic Politics: An Aspect Psychology Book, (1976)