The Self stands behind the ego and can act as a guarantor of its integrity… 'The ego stands to the Self as the moved to the mover... The Self... is an a priori existent out of which the ego evolves.'
Edinger establishes the ego-Self axis as the foundational structural relationship in Jungian psychology, arguing that the Self functions as a pre-existing ground from which the ego emerges and on which it depends for its integrity.
, Ego and Archetype: Individuation and the Religious Function of the Psyche, 1972thesis