His ceaselessly changing image that could take on any shape or nature represented the multiple and ambiguous form of the soul. “We have seen,” said Pomponazzi, “that human nature is multiple and ambiguous,” and this nature “comes from the form of the soul itself.”
Hillman argues that the Renaissance’s central mythic figure was Proteus precisely because his metamorphic instability expressed the soul’s own inherent polyvalence, grounding a depth-psychological anthropology in mythic plurality.
, Re-Visioning Psychology, 1975thesis