Aion

Aion occupies a singular position in the depth-psychology corpus as both a cosmological cipher and the governing title of Jung's most ambitious synthetic work. In Jungian scholarship the term operates simultaneously on three registers: the philological, the mythological, and the psychological. At the philological level, Onians and von Franz recover the archaic Greek sense of aion as vital fluid or life-force residing in the marrow, associated with the snake, with fate, and with the span of existence. At the mythological level, Aion designates the Mithraic leontocephalic deity who presides over astrological time — the Deus Leontocephalus encircled by the serpent — a figure Jung encountered dramatically in active imagination and used thereafter as a vantage point outside temporal ego-consciousness. At the psychological level, the 1951 monograph Aion: Researches into the Phenomenology of the Self deploys all these registers to map the Self as an archetypal factor transcending the ego's time-space categories, tracing its symbolic amplification across the two-thousand-year Pisces aeon toward the dawning Age of Aquarius. Stein, Edinger, Peterson, and Hoeller all treat the work as the indispensable locus for Jung's mature doctrine of the Self, the shadow in the God-image, the Christ–Antichrist polarity, and the psychological meaning of Christian history. The central tension in secondary reception concerns whether Aion is primarily a contribution to depth psychology proper or to a speculative philosophy of history grounded in synchronistic astrology.

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The theme of this work is the idea of the Aeon (Greek, Aion). My investigation seeks, with the help of Christian, Gnostic, and alchemical symbols of the self, to throw light on the change of psychic situation within the 'Christian aeon.'

Jung states the foundational programme of Aion: to use cross-traditional symbols of the Self to illuminate the psychological transformation occurring within the Pisces aeon, framed by the Christ–Antichrist enantiodromia.

Jung, Carl Gustav, Aion: Researches into the Phenomenology of the Self, 1951thesis

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the myth of Aion locates Jung beyond the rule of time — he actually is the ruler over time. Then we can observe how Jung used this association with the transcendent principle behind astrological time to reflect upon the inner history and meaning of Christianity up to the present time in the Age of Pisces.

Stein argues that Jung employed the mythological identification with Aion as a meta-temporal vantage point from which to narrate the archetypal history of the Christian era and its coming transformation.

Stein, Murray, Transformation Emergence of the Self (Volume 7) (Carolyn, 1998thesis

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The book's title is taken from the ancient religion of Mithraism, where Aion is the name of a god who rules over the astrological calender and thus over time itself. The title therefore suggests a factor that transcends the time/space continuum that governs ego-consciousness.

Stein identifies the Mithraic provenance of the title and argues it signals the monograph's central claim: the Self, like Aion, functions as a trans-temporal ordering principle irreducible to ego categories.

Stein, Murray, Jung's Map of the Soul: An Introduction, 1998thesis

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Aion originally denoted the vital fluid in living beings, and thus their life span and allotted fate. This fluid continued to exist after death in the form of a snake. It was a 'generative substance,' as was all water on earth and especially Oceanos-Chronos, the creator and destroyer of everything.

Von Franz traces the archaic Greek etymology of Aion as living vital fluid and post-mortem serpent-substance, locating it within the cosmogonic complex of Oceanos-Chronos as primordial time-deity.

von Franz, Marie-Louise, Psyche and Matter, 2014thesis

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The experience he related had been transformative for him, and the image that remained in memory became a central reference point in his individuation process... a pattern much like Jung's experience in his active imagination with Christ and Aion.

Stein documents Jung's visionary identification with the Leontocephalus-Aion figure during active imagination as the biographical catalyst for Aion's central psychological themes.

Stein, Murray, Transformation Emergence of the Self (Volume 7) (Carolyn, 1998supporting

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In Aion (Volume 9ii of the Collected Works, published in 1951), Jung taught that the exclusion of the shadow from the conventional God-image of the West has become a rather formidable roadblock on the path to enlightenment: 'The Christ-symbol lacks wholeness in the modern psychological sense since it does not include the dark side of things but specifically excludes it in the form of a Luciferian opponent.'

Peterson draws on Aion to show how Jung's critique of the privatio boni doctrine connects the incomplete Western God-image to the shadow problem in individual and collective psychology.

Peterson, Cody, The Shadow of a Figure of Light, 2024supporting

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Christ being the incarnation of God's goodness, the devil becomes a psychological inevitability as the incarnation of evil — in other words the devil is the personification of Christ's split-off dark side. Cf. Aion, CW 9ii, par. 113.

Edinger references Aion as the authoritative Jungian locus for understanding the devil as the psychological shadow of Christ, integral to the God-image's inner split.

Edinger, Edward F., The New God-Image: A Study of Jung's Key Letters Concerning the Evolution of the Western God-Image, 1996supporting

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aion (aiwv): identified with the life-fluid, 200–6, 212–15, 251, 254, 507; meaning approximates to 'fate', 204–5, but definitely becomes 'spinal marrow', 205–6, 208; associated with snake form, 206–7, 251; development of meaning to 'life', 208–9.

Onians provides the philological-anthropological substrate for the Jungian use of Aion, tracing its semantic evolution from spinal vital fluid and fate-substance to life-span and its persistent association with the serpent.

Onians, R B, The origins of European thought about the body, the mind,, 1988supporting

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Aion, 122, 186, 200

Hoeller's index registers Aion as a cross-reference point within his study of the Gnostic dimensions of Jung's thought, indicating its presence across his treatment of Abraxas, alchemical imagery, and the anima.

Hoeller, Stephan A., The Gnostic Jung and the Seven Sermons to the Dead, 1982aside

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Aion, 45, 47 ... Aion (Jung), 137–38

Stein's index confirms Aion as a recurring reference point in his analysis of active imagination and the transformative dimensions of Jung's late psychology of the Self.

Stein, Murray, Transformation Emergence of the Self (Volume 7) (Carolyn, 1998aside

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