The term 'Stream' circulates through the depth-psychology corpus in three principal registers, each carrying distinctive philosophical weight. First, and most persistently, the stream functions as an archetypal image of temporal flux and psychic continuity — most forcefully articulated in Heraclitus's dictum that 'one cannot step twice into the same river,' which McGilchrist deploys in The Master and His Emissary to argue that stability in experience is always the stability of form through which material perpetually passes. Second, the stream appears as a metaphor for consciousness itself: Stein, reading Jung, distinguishes the ego as a 'point or dot that dips into the stream of consciousness,' differentiating egoic awareness from the broader flow it inhabits but does not control. Jung himself, in Memories, Dreams, Reflections, employs the image with characteristic humility — positioning himself not as the stream but as one who stands at the stream's edge. Third, in The Red Book, the stream becomes a visionary-infernal space through which archetypal contents travel — bloody heads, scarabs, serpents — marking the unconscious underworld as a flowing medium of terrifying revelation. A fourth, therapeutic usage appears in ACT literature (Harris), where the 'Leaves on a Stream' exercise instrumentalizes the metaphor for defusion practice. These registers — ontological, psychological, clinical, and visionary — constitute the term's full semantic range in the corpus.
In the library
13 passages
Stability in the experiential world is always stability provided by a form through which things continue to flow: 'As they step into the same rivers, other and still other waters flow upon them … One cannot step twice into the same river'.
McGilchrist invokes Heraclitus's river-stream to argue that identity and stability are dynamic achievements of form, not static possessions — a foundational claim for his account of living wholeness.
McGilchrist, Iain, The Master and His Emissary: The Divided Brain and the Making of the Western World, 2009thesis
A man once dipped a hatful of water from a stream. What did that amount to? I am not that stream. I am at the stream, but I do nothing.
Jung employs the stream as a figure for the transpersonal ground of psychic life, distinguishing the ego's modest, receptive stance from any identification with the totality of psychic flow.
Jung, Carl Gustav, Memories, Dreams, Reflections, 1963thesis
I hear the flow of underground waters. I see the bloody head of a man on the dark stream. Someone wounded, someone slain floats there … I see a large black scarab floating past on the dark stream.
In the Red Book's visionary descent, the stream becomes the medium of the collective unconscious — an underworld current carrying death-images and transformation symbols toward the luminous solar depths.
Jung, Carl Gustav, The Red Book: Liber Novus, 2009thesis
The ego is a point or a dot that dips into the stream and can separate itself from the stream of consciousness and become aware of it as something other than itself.
Stein, glossing Jung via William James, uses the stream of consciousness to demarcate the ego's limited, selective role within the larger, semi-autonomous flow of psychic experience.
Stein, Murray, Jung's Map of the Soul: An Introduction, 1998thesis
Imagine you're sitting by the side of a gently flowing stream, and there are leaves flowing past on the surface of the stream … notice each of your thoughts as it pops into your head … then place it onto a leaf.
Harris instrumentalizes the stream image therapeutically, using it as a defusion exercise in which the patient observes thoughts as passing phenomena rather than identifying with their content.
Harris, Russ, ACT Made Simple: An Easy-To-Read Primer on Acceptance and Commitment Therapy, 2009supporting
On the outer rim the ego is moving in a stream of outer and inner events — in time. Below it is the psychic sphere of the so-called personal unconscious, which is still relatively closely time-bound.
Von Franz maps the ego's embeddedness in temporal stream against progressively deeper, time-transcending layers of the psyche, making 'stream' a figure for the outermost, most time-bound stratum of experience.
von Franz, Marie-Louise, Psyche and Matter, 2014supporting
Schelling clearly intuited that water was a potent metaphor or symbol for the nature of reality, as indeed it is in Oriental philosophy, especially Taoism, which constantly recurs to the image of flowing water.
McGilchrist situates the stream/flowing-water image within both Schellingian Naturphilosophie and Taoist cosmology, arguing that flowing water is a cross-cultural symbol for the dynamic, self-disturbing equilibrium of reality.
McGilchrist, Iain, The Matter with Things: Our Brains, Our Delusions, and the Unmaking of the World, 2021supporting
Schelling clearly intuited that water was a potent metaphor or symbol for the nature of reality, as indeed it is in Oriental philosophy, especially Taoism, which constantly recurs to the image of flowing water.
Duplicate instance confirming McGilchrist's alignment of flowing water with the dynamic equilibrium thesis across philosophical traditions.
McGilchrist, Iain, The Matter With Things: Our Brains, Our Delusions and the Unmaking of the World, 2021supporting
No obstruction in the path of a flow is required for it to become turbulent; any inequality in speed or viscosity within the flow itself can lead to turbulence. However in cases where there is a solid obstruction, the resulting flow exhibits surprising new qualities.
McGilchrist uses the physics of stream-obstruction to argue that resistance and turbulence are inherently generative — a cosmological principle with implications for the stream as symbol of dynamic creative becoming.
McGilchrist, Iain, The Matter With Things: Our Brains, Our Delusions and the Unmaking of the World, 2021supporting
From a straight flow in a rigid linear channel meeting a simple, smooth straight-edged obstruction such as a rod placed at right angles to the flow, the most extraordinary richness of design can emerge.
The stream-and-obstruction motif here functions as a scientific analogue for the philosophical principle that constraint produces complexity — directly relevant to depth psychology's understanding of psychological resistance as creative.
McGilchrist, Iain, The Matter with Things: Our Brains, Our Delusions, and the Unmaking of the World, 2021supporting
The pure fire which is within us and related thereto they made to flow through the eyes in a stream smooth and dense, compressing the whole eye … so that it kept out everything of a coarser nature.
Plato's Timaeus employs 'stream' physiologically to describe the outward flow of visual fire from within the eye — an ancient optical-pneumatic theory that prefigures depth-psychological uses of the image as inner emanation.
These actually form the blood, a stream of nourishment containing all the substances needed to replenish the waste in our tissues.
Cornford's commentary on the Timaeus uses 'stream' in the physiological register of blood-as-nourishment, providing an ancient precedent for stream as internal life-sustaining flow.
Plato, Plato's cosmology the Timaeus of Plato, 1997aside
Vortices in stream caused by uniform perpendicular obstruction … Vortices in a stream in the wake of a regular rake of rods of rectangular cross section.
McGilchrist's figure captions document the visual morphology of stream-vortex patterns, supporting his broader argument that obstruction in flow generates ordered, beautiful complexity.
McGilchrist, Iain, The Matter with Things: Our Brains, Our Delusions, and the Unmaking of the World, 2021aside