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The Origins and History of Consciousness: Bollingen Series
Collected Works of C. G. Jung, Volume 9 (Part 1): Archetypes and the Collective Unconscious (The Collected Works of C. G. Jung Book 10)
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The stability of the ego, i.e., its ability to stand firm against the disintegrative tendencies of the unconscious and the world, is developed very early, as is also the trend toward extension of consciousness, which is likewise an important prerequisite for self-formation.
Erich Neumann • The Origins and History of Consciousness (Princeton Classics Book 9)

