what the percipient on the Bardo plane sees is due entirely to his own mental-content; that there are no visions of gods or of demons, of heavens or of hells, other than those born of the hallucinatory karmic thought-forms constituting his personality
This passage articulates the Bardo Thodol’s central psychological thesis — that post-mortem visions are projections of the dying mind’s karmic content — which became the interpretive fulcrum for Jung’s and subsequent depth-psychological readings.
, The Tibetan Book of the Dead (Evans-Wentz Edition), 1927thesis