Light of the Flesh

Merleau-Ponty's late doctrine of a "new idea of light": light inseparable from shadow, structurally diffused in the flesh rather than emanating from an intelligible sun. Developed in the preparatory notes for the 1960–61 course "Philosophy and Non-Philosophy since Hegel" and systematized by Carbone in *The Flesh of Images* ch. 5 ("The Light of the Flesh: Anti-Platonistic Instances and Neoplatonic Traces"). The title-concept carries a double-genitive: light in the flesh (illumination) and light of the flesh (diffused source). Against (a) the Platonic sun-of-truth that makes shadows deceptive, (b) the Cartesian natural light (intuitus mentis), and (c) the Neoplatonic veil that hides what it shows. For (a) a complementarity of light and shadow in which neither is false, (b) a diffused luminosity "structurally in the flesh," (c) a veil-that-makes-visible rather than veil-that-conceals-higher-truth.

Key Points

Core claim: "truth is of itself zweideutig [. . .]. The Vieldeutigkeit is not a shadow to be eliminated from true light" (MP, NC 305). Ambiguity is constitutive, not a privation.
Light is not quale but structure of being: "Light is not a quale, it is the impossibility of darkness, [. . .] luminosity is a structure of being [être]: Eternity of light while it is" (MP, NC 193, commenting on Proust).
Three interlocutors: Nietzsche (Gay Science 1886 Preface — "we no longer believe that truth remains truth when the veils are withdrawn"), Schelling (Naturphilosophie's "diffused reason" in Nature — via Francesco Moiso), Hermes Trismegistus (Poimandres — "the voice of light" crying from darkness — via Robert Delaunay's 1912 article "Light").
Ontological rehabilitation of the surface: the screen on which appearing shows itself is not a veil to be pierced but the condition of possibility of the visibility of ideas. This upgrades what "Platonism" had taken as privation (the shadow, the surface, the medium) into the positive condition of truth.
Flesh as modified-khôra: the flesh is an amorphous-at-once-and-informative matrix — not a neutral receptacle like Plato's khôra but an auto-informative differentiation-matrix in which images first appear and later sediment into "models."

Details

The Anti-Platonic Polemic

Plato's Allegory of the Cave codifies the opposition that MP reverses: deceiving shadows vs. pure light emanating from truth. MP's "new idea of light" — in the last courses — refuses this opposition. Truth is not "reached" by eliminating shadow; truth is inseparable from shadow. This is not a rejection of truth but a rethinking of its structure: the Vieldeutigkeit (ambiguity, multi-meaning-ness) is not a shadow to be removed but a constitutive feature of what shows itself.

Carbone connects this to MP's consistent anti-Platonism on sensible ideas ("one says Platonism, but these ideas have no intelligible sun, and are akin to the visible light" — merleau-ponty-2022-possibility-of-philosophy 194). The light-of-the-flesh is the positive ontology that matches this negative diagnosis.

Proust: "Impossibility of Darkness"

MP develops the new-idea-of-light primarily through close reading of Proust's pages on the "ideas of the intelligence" vs. the sensible ideas (Recherche I, "Swann's Way," pp. 334–335). Proust's striking formula: "we can no more bring ourselves to a state in which we shall not have known them than we can with regard to any material object, then we can, for example, doubt the luminosity of a lamp that has just been lighted, in view of the changed aspect of everything in the room, from which has vanished even the memory of the darkness."

MP glosses (NC 193): "Light is not a quale, it is the impossibility of darkness, [. . .] luminosity is a structure of being." Once lit, we cannot return to darkness to examine the difference. Luminosity is the structure in which what is shown is what is — and its impossibility of darkness is not the negation of shadow (shadows exist) but the incorporation of shadow into the one luminous field.

Schelling and "Diffused Reason"

Francesco Moiso (Italian Schelling specialist, Chiasmi 1, 1988) shows that MP's new-idea-of-light is mediated by Schelling's Naturphilosophie. Schelling disapproves Fichte's reduction of light to "a medium" ("no way the symbol of primordial and eternal knowing [Urwissen] which is incorporated [eingebildet] in Nature"). Schelling's positive proposal: a diffused reason in Nature — light as "a sort of concept that walks among appearances" (MP, Nature 42).

MP's gloss (Nature 42–43, following Schelling): "Light is something other: it is subtle, it penetrates everywhere, explores the field promoted by our gaze and prepares it to be read. Light is a sort of concept that walks among appearances; it does not have a subjective existence, save when it becomes for us. Light does not know the world, but I see the world thanks to light."

The structure: luminosity is already diffused in the flesh; it becomes a hub of sense only through us who concentrate its rays — but this concentration is not addition of a subject-principle from outside; it is the gathering-point of what was already diffused. Schellingian "diffused reason" = MP's "light of the flesh" = the condition whereby a hub of sense can arise without invoking a metaphysical principle.

Hermes Trismegistus: "The Voice of Light"

MP's most curious source is the Poimandres, the first text of the Corpus Hermeticum — cited, crucially, via Robert Delaunay's 1912 modernist-painting article "Light" (which Klee translated into German), not via the philologically-accredited 1945 Festugière translation. This matters: MP's "new idea of light" belongs to a modernist lineage, not a scholarly one.

The Delaunay quotation Carbone reconstructs: "Soon the shadows will descend [. . .] and from them came an inarticulate cry which seemed to be the Voice of light." The key inversion: the light does not descend from above to illuminate the shadows; the voice of light comes from the shadows/darkness itself. Light here is not the top-down illuminator but the internal cry of the dark component.

MP adopts this in E&M: "art is truly the 'inarticulate cry,' as Hermes Trismegistus said, 'which seemed to be the voice of the light.' And once it is present it awakens powers dormant in ordinary vision, a secret of preexistence. [. . .] This inner animation, this radiation of the visible, is what the painter seeks beneath the words depth, space and color" (E&M 142).

Four occurrences of the Hermes passage in MP's late notes. Contrasted explicitly with Descartes: "'Natural light' and 'cry of the light'" (MP, NC 182). Natural light (Cartesian) is top-down and extrinsic; cry of light (Hermetic, via Delaunay) is bottom-up and intrinsic. MP's light of the flesh takes the Hermes side.

Flesh as Khôra (Modified)

Carbone's most ambitious move (FoI ch. 5, final section): MP's flesh functions as a modified-khôra. Plato's Timaeus introduces a "third component" beyond model and copy — the receptacle or "foster-mother" (tithēnē) of all becoming. Carbone's reading: the Poimandres figure of light-crying-from-darkness does not fit the Timaean framework, because the Timaean khôra is a neutral matrix waiting to be stamped by models.

In MP's reading of the Hermes passage, darkness is "not visible and sensible generally" but is the component from which the voice of light comes. The "component" is at once amorphous and informative of itself: its "very darkness seems to emanate that 'inarticulate cry like the voice of light.'" This is what MP's flesh does: it is not formed by external models; it is informative of itself by differentiation.

V&I working note: "It is the flesh, the mother" (267). The mother echoes the khôra-as-tithēnē. But unlike Plato's khôra, MP's flesh generates form from its own differentiation, without receiving external stamps.

"Merleau-Ponty tried to elaborate a sort of khôra that is not formed in the light of the exterior, prior models. In fact, it is in this very khôra that are differentiated — and thus come to light — those images which, resonating with one another, shall possibly sediment in models." (carbone-2015-flesh-of-images, ch. 5)

Two consequences:

The light of the flesh is not a light that strikes the khôra from outside — it is the luminosity by which the khôra's own differentiation becomes visible.
Models are produced (sedimented from image-differentiation), not prior. Platonism inverted: models come after images, not before.

The Screen as Condition of Possibility

The culminating move of ch. 5: the screen (or the veil) is not what must be removed to access the truth — it is the condition of possibility of the visibility of ideas. "There is no vision without the screen: the ideas we are speaking of would not be better known to us if we had no body and no sensibility; it is then that they would be inaccessible to us" (MP V&I 150).

This is the groundwork of what Carbone will later (2019) generalize as the arche-screen. In Flesh of Images, it is not yet named arche-screen, but the structure is already identified: the screen is not an obstacle, it is the condition of light's manifestation.

Pairing with sensible-ideas

The light-of-the-flesh and sensible ideas are inseparable: sensible ideas are veiled with shadows, they cannot be possessed, they are known only through their sensible carrier — but the veil (which is now the screen) is not something to be removed. Rather, the veil is what makes them visible. The light by which they are given is the diffused luminosity of the flesh itself.

Carbone's formulation: "to describe ideas as inseparable from the flesh in which they manifest themselves — should it be the 'veil' of the sensible or the 'screen' of words — is to describe the rays of a light that shows itself only in the very filigree that it shows. Light of the flesh, hence, in the double meaning of this genitive: namely, of course, light that can illuminate the flesh, but only insofar as it is diffused by the flesh itself" (FoI ch. 5).

Connections

is the ontological correlate of voyance — voyance is the gnoseology of a light that illumines without descending from an intelligible sun
extends sensible-ideas — sensible ideas are given in the light of the flesh; the "veil/screen" motif is the medium of this light
is the pre-formulation of arche-screen — "ontological rehabilitation of the surface" (FoI 2015) becomes arche-screenic structure of experience (PS 2019)
parallels flesh-as-element — flesh as element (Presocratic, Bachelardian) names the stuff; light-of-the-flesh names the luminosity intrinsic to that stuff
contrasts with retrograde-movement-of-the-true — both are late-ontology temporal-modal figures, but RMT names the retroactive true-making structure; light-of-the-flesh names the anti-Platonic luminous structure
draws on Schelling — via Moiso; the "diffused reason" doctrine
draws on Nietzsche — Gay Science 1886 Preface, veil-doctrine
is an anti-Platonic doctrine — no intelligible sun; light and shadow complementary
rearranges the medieval-Cartesian intuitus / natural light tradition — MP opposes the Hermetic cry of light to Cartesian natural light (NC 182)

Open Questions

Is the Hermes Trismegistus reading philosophically load-bearing, or is it a modernist-painterly image MP uses for its figurative power? Carbone treats it as load-bearing; a more sober reading could take it as atmospheric.
How does Schelling's "diffused reason" relate to MP's other Schellingian borrowings (the "barbaric Principle" from Nature)?
Does the khôra reading of flesh (ch. 5) contradict the reading of flesh as element (V&I Ch 4)? Or are element and modified-khôra two names for the same structure?
The Delaunay-Klee modernist lineage is not explicitly developed in existing wiki. Worth tracking as a cross-source motif.

Sources

carbone-2015-flesh-of-images — ch. 5 entirely ("The Light of the Flesh: Anti-Platonistic Instances and Neoplatonic Traces in the Later Merleau-Ponty's Thinking"). The source-of-record for this concept on the wiki. Pp. 63–72.
merleau-ponty-2022-possibility-of-philosophy — the 1960–61 course notes on "Philosophy and Non-Philosophy since Hegel" contain the key formulations: "truth is of itself zweideutig" (NC 305), "Light is not a quale" (NC 193), "'Natural light' and 'cry of the light'" (NC 182). Primary source.
merleau-ponty-1961-eye-and-mind — §3 quotes Hermes Trismegistus via Delaunay: "art is truly the 'inarticulate cry' […] 'which seemed to be the voice of the light'" (E&M 142). "This inner animation, this radiation of the visible, is what the painter seeks beneath the words depth, space and color."
merleau-ponty-2003-nature — Course 1 on Schelling's Naturphilosophie: light as "a sort of concept that walks among appearances" (Nature 42); "diffused reason" ("to refuse this […] meaning of Being is to make every carnal relation with Nature disappear," Nature 43).
Francesco Moiso, "Una ragione all'altezza della natura. La convergenza fra Schelling e Merleau-Ponty," Chiasmi 1 (1988), 83–90. Cited throughout Carbone ch. 5 as the key interpretive source for Schelling-MP convergence.
Robert Delaunay, "La lumière" (1912), republished in Du cubisme à l'art abstrait. Translated into German by Paul Klee.
Hermes Trismegistus, Poimandres (Corpus Hermeticum I). MP cites not from Festugière's 1945 translation but via Delaunay's 1912 article.
Nietzsche, Gay Science Preface to the Second Edition (1886). MP's own French translation appears in NC 277.