he pressed forward and soon came to a circular pool, measuring ten to twelve feet across. It was a spring, and the crystal-clear water looked almost black in the dark shadows of the trees. In the middle of the pool there floated a pearly organism
Jung reads the circular pool discovered in a primeval-forest dream as the archetypal unconscious, its dark clarity and luminous inhabitant together constituting a ‘big dream’ that determines the dreamer’s scientific vocation.
, Aion: Researches into the Phenomenology of the Self, 1951thesis