Jung even asserted that he would have no objection to regarding the psyche as a quality of matter and matter as a concrete aspect of the psyche, provided that the psyche was understood to be the collective unconscious.
This passage states Jung’s foundational thesis: psyche and matter are potentially convertible descriptions of a single underlying reality, identified with the collective unconscious, and synchronicity is the principle that might unite their complementary registers.
, Psyche and Matter, 2014thesis