philosophy sought to do for men what the mysteries could only do in part, and that it therefore includes most of what we should now call religion… Greek philosophy includes most of what we now call the archetypal level of the collective unconscious
Edinger argues that Greek philosophy functionally replaced the mysteries as the vessel for archetypal and religious experience, making it the ancient precursor to depth psychology’s engagement with the collective unconscious.
, The Psyche in Antiquity, Book One Early Greek Philosophy thesis