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V.1215.1115.13

Chapter 15 · 20 verses

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The light in sun, moon, and fire is not their own; Krishna says it is his.

The sun lights the whole world, the moon cools the night, fire holds its steady flame. Krishna takes the brightest things a person knows and says plainly that their brilliance is not finally theirs.

12Chapter 15
The verseSpoken by Krishna
Voices6 commentators · 5 schools · modern voices
The readingAbout 6 minutes, unhurried
यदादित्यगतं तेजो जगद्भासयतेऽखिलम्।यच्चन्द्रमसि यच्चाग्नौ तत्तेजो विद्धि मामकम्
yad āditya-gataṁ tejo jagad bhāsayate ’khilam yach chandramasi yach chāgnau tat tejo viddhi māmakam

The light in the sun that lights up the whole world, the light in the moon, and the light in fire: know that light to be mine.

Bhagavad Gita 15.12
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Sanskrit recitation by Swami Brahmānanda

Audio from the Gītā Supersite, IIT Kanpur

The reading read whole, as one unhurried piece

Where it stands

Look at the brightest things you already know: daylight spread across the whole world, the moon over a dark field, a fire holding its flame steady against the wind. Krishna takes their splendour and tells Arjuna, in one plain line, whose it really is.

The teaching

The light of the sun, moon, and fire is not theirs; it is his, lent to them.

The light that pours from the sun and lights the whole world, the light in the moon, and the light in fire: know that light to be mine. The most dazzling things a person can name are handed back with their ownership corrected. Just before this, the Gita said that the supreme abode is lit by no sun, no moon, no fire; here comes the reason. Those luminaries cannot light that abode because their own brightness is borrowed from it. The Lord is the source; they are the shining that depends on the source, not an equal partner beside it. A fair question follows, and more than one reader raises it directly: if this light is everywhere, in things that move and things that do not, why point only to the sun, moon, and fire? The answer given is that the one light shows itself most clearly where the medium holding it is clearest. Hold a face before wood, a wall, or stone, and nothing reflects; hold it before a mirror, and it shows plainly, more brightly the cleaner the glass. So too the one radiance appears by degrees, brightest where sattva, the clear and luminous quality of things, is most concentrated, which is exactly the sun, the moon, and fire. Some readers press further still: this splendour is the very light of consciousness, the awareness by which anything at all is known and made to appear, so that calling the sun's brightness the Lord's is really a claim about the nature of awareness itself, not only about physics. Others stay close to what little survives of their own master's word on this verse and say so honestly: some of the extant commentary here is thin, a single line rather than a developed argument, and this page holds to what is actually there rather than filling the gap with invented confidence.

The doubt that rises

If the sun's light is truly the Lord's and not the sun's own, in what sense is it his when you simply look outside on an ordinary morning, and what, if anything, should that change about how you see daylight from now on?

Where the paths divide

Advaita Vedanta

Read as the one light of consciousness, most visible where sattva is clear.

Take the radiance first as the light of consciousness, the awareness that is the very nature of the Self and of Brahman. This one light is the same in the moving and the unmoving; it only seems concentrated in the sun, moon, and fire because their stuff is unusually clear and bright, the way a face is mirrored well in clean glass and not at all in wood or stone. The verse itself uses the word for splendour twice, once naming where it stands and once commanding that it be known as the Lord's, and this doubling is read as deliberate: both the light of consciousness and the sun's ordinary physical brightness are meant together, not one to the exclusion of the other.

Vishishtadvaita

Read from what a brief surviving fragment actually says, without adding to it.

What remains of Ramanuja's own comment on this exact verse is short: the radiance in sun, moon, and fire is the Lord's, and the cosmic lights manifest his supreme luminosity rather than shining as independent sources merely blessed from outside. A fuller Vishishtadvaita account of worshipping the Lord as present within what he indwells belongs to his teaching elsewhere in the text, and this page keeps that extension clearly marked as such rather than folding it into this verse's fragment.

Dvaita

Read from a single compressed line, set against the wider pattern of dependence.

Madhva's surviving note here is one line rather than an argument: the radiance in sun, moon, and fire is Hari's own manifestation. Set beside his larger teaching, where every self depends on the Lord's sanction even for the capacity to act, this fits a settled conviction that the brilliance of the great lights is the Lord's glory directly displayed. The source does not explain the mechanism further, and this page does not invent one for him.

Kashmir Shaivism

Read at the level of cosmic function the extant fragment actually reaches.

What survives under Abhinavagupta's name reads the three lights as displaying the Lord's identity as the one doer of creation, sustenance, and dissolution, with the sun's splendour both giving light and upholding the world through its bond with earth, a claim the two half-verses following this one are said to develop. The fragment does not, in what remains, reach for the fuller Trika language of prakasha and vimarsha; a Kashmir Shaiva reading might extend the point that way, but only as a flagged extension, not as this master's stated word.

Bhakti

Read as an unveiling meant to turn noticing into adoration.

Sridhara ties the verse tightly to the chapter's hinge: the very abode that sun, moon, and fire cannot light is the one whose own radiance lets them shine at all, and the four verses beginning here unveil the Lord's form as holding endless power. He treats the verse less as new information than as an unveiling of a debt you already owed without noticing, and the noticing itself is meant to turn, quietly, into adoration of the one the borrowed brightness displays.

Modern

Read as a close-reading argument drawn from the verse's own repeated word.

Madhusudana's attention to the doubled word for splendour becomes, for a modern reader, a small lesson in reading scripture closely: a repeated word is rarely an accident, and here the repetition itself argues that two senses of light, the mystical light of awareness and the plain physical light of the sun, are meant to be held together rather than resolved into only one, tidier meaning.

All six readings agree that the brilliance is not finally the luminaries' own. They differ on how far that claim reaches. For Advaita it reaches all the way to the nature of consciousness itself. For the readers whose comment on this exact verse survives only briefly, Vishishtadvaita and Dvaita among them, this page holds to the short, honest fragment rather than building a fuller edifice their own words do not supply here. The fork between a single light of awareness and a Lord met as distinct within what he indwells stays open, and this page does not crown one side of it.

A question to carry

The next time ordinary daylight falls across a room, can you let your attention travel back along the ray to its source, instead of resting where the light happens to land?

So let the next daylight, the next moonlight, the next small flame, be received as a loan rather than a possession, and let the noticing itself become a kind of quiet address to the one the brightness was always pointing toward.

Each school is voiced from the commentators named above. Their full words, every translation, and where the schools agree and differ wait in the reading desk just below. Open the commentary desk.

Just before this, the Gita said the sun, moon, and fire cannot light the supreme abode; here Krishna gives the reason, and opens a short stretch summing up the visible display of his glory.

Where they agreethe convergence

The radiance of sun, moon, and fire is not finally their own; it is the Lord's, given to them and shining through them.

Across schools and centuries the commentators come to the same ground. These are the points they share, and the voices that hold each one.

4schools

The light pouring from the sun across the whole world, the light in the moon and in fire, is not theirs in the end; it is the Lord's, shining through them.

Across Advaita, Viśiṣṭādvaita, Dvaita, BhaktiŚaṅkara · Rāmānuja · Madhva · Śrīdhara · Madhusūdana
In Śaṅkara, Rāmānuja, and 3 others’ words

The verse makes one plain claim: the light pouring from the sun that lights the whole world, the light in the moon, and the light in fire all belong to the Lord. Krishna tells Arjuna outright, know that radiance to be mine. The most dazzling things a person can point to are taken and shown to be shining with a brilliance that is finally not their own.

Asked in question 1, below
2schools

This verse answers the one before it: the luminaries cannot light the supreme abode because their own light is borrowed from that very abode.

Across Advaita, BhaktiŚaṅkara · Śrīdhara · Madhusūdana
In Śaṅkara, Śrīdhara, and 1 others’ words

This verse answers the one just before it. There, the supreme abode was said to need no sun, moon, or fire to light it. Here is the reason why: those luminaries cannot light that abode because their own light is borrowed from it. The Lord is the source; they are the shining that depends on the source.

Asked in question 2, below
1school

If the Lord's light is everywhere, why name only these three? Because the one light shows itself most clearly where the medium is purest, as a face is mirrored in clean glass and not in wood or stone.

Across AdvaitaŚaṅkara · Madhusūdana
In Śaṅkara and Madhusūdana’s words

A natural question is raised directly rather than avoided: if the Lord's light is everywhere, in things that move and things that do not, why single out the sun, moon, and fire? The shared answer is that the one light shows itself most brightly where the medium is clearest, in the same way a face is mirrored clearly in glass and not at all in wood or stone.

Asked in question 3, below
1school

For more than one reader, the radiance is finally the light of consciousness, the very awareness by which anything is known and lit up.

Across AdvaitaŚaṅkara · Madhusūdana
In Śaṅkara and Madhusūdana’s words

For more than one reader here, the radiance named is finally the light of consciousness itself, the awareness by which anything at all is known and made to appear. To call the sun's brightness the Lord's is, on this reading, to say that the very power of illumination is his awareness shining.

2schools

Where the sources on a given master are thin, this page says so plainly rather than inventing what he did not leave; a short honest note outranks a confident guess.

Across Bhakti, AdvaitaŚrīdhara · Madhusūdana
In Śrīdhara and Madhusūdana’s words

This verse opens a short run in which Krishna gathers up the visible display of his own glory, and the sun, moon, and fire are offered as the first and most obvious instance of it: the brightest things a person already knows, handed back as evidence of who is shining through them.

This is the shared ground; it can be carried as it is. Below is where they differ.

Where they differthe divergence

The question they answer differently
Is the radiance the Gita calls the Lord's own the single light of consciousness itself, present without division everywhere, or is it his glory manifested through and met within luminaries distinct from him?
The traditional commentators
Advaita Vedāntasee this school across the GītāŚaṅkara, Madhusūdana
The radiance is the one light of consciousness, made most visible where sattva is clearest, and the verse's own doubled word for splendour signals that this light-of-awareness and the sun's ordinary physical light are meant together.
Read as the non-dual light of awareness, present without division in the moving and the unmoving.
Asked in question 5, below
Viśiṣṭādvaitasee this school across the GītāRāmānuja
The surviving comment states plainly that the cosmic lights are the Lord's own manifestation, not independent sources; a fuller doctrine of worshipping him as present within what he indwells belongs to Ramanuja's wider teaching, not to what remains on this verse.
Held to what the extant fragment actually says, without supplying the fuller argument from elsewhere.
Viśiṣṭādvaita, in their fuller words

What survives of Ramanuja's own comment is brief, affirming plainly that the radiance in sun, moon, and fire is the Lord's, and that the cosmic lights are his manifestations rather than sources standing on their own. A fuller Vishishtadvaita treatment of the Lord met and worshipped as present within what he indwells is documented elsewhere in his teaching, but not stated at length on this verse itself, so the reading here is held to what the source actually gives.

Rāmānuja
Dvaitasee this school across the GītāMadhva
A single compressed line identifies the radiance as Hari's manifestation, consistent with Madhva's wider teaching that every self depends on the Lord even for the capacity to act, though the surviving note does not expand on the mechanism.
Read against the backdrop of radical dependence, without inventing detail the source does not give.
Dvaita, in their fuller words

Madhva's surviving note on this verse is a single compressed line: the radiance in sun, moon, and fire is his manifestation. Set beside his wider teaching, where the self's very capacity to act is delegated and dependent on Hari's sanction, this identification is consistent with a settled conviction that the brilliance of the great lights is the Lord's glory directly displayed, not a third thing standing between him and the world, though the source itself does not elaborate the mechanism.

Madhva
Kashmir Śaivasee this school across the GītāAbhinavagupta
The three lights display the Lord's identity as the one doer of creation, sustenance, and dissolution, the sun's splendour both lighting and upholding through its bond with earth, as the verses following this one are said to state.
Read at the level of cosmic function that the extant fragment actually reaches.
BhaktiŚrīdhara
The verse is bound tightly to the chapter's hinge and read as an unveiling: the abode unlit by sun, moon, and fire is the one whose own light lets them shine, and noticing this borrowed brightness is meant to turn into adoration of its source.
For the heart drawn to worship what the borrowed light discloses.
Bhakti, in their fuller words

Sridhara binds the verse tightly to the chapter's hinge: the very abode that sun, moon, and fire cannot light is the one whose own radiance is the light by which they shine, and the four verses beginning here unveil the Lord's form as holding endless power. He treats the verse less as a new claim than as an unveiling of a debt already implied, one meant to turn the seer's noticing of ordinary brightness into adoration of the one it displays.

Śrīdhara
Modern voices teachers of the last two centuries, read together; they stand apart from the classical schools
A modern readingMadhusūdana
The verse's own repetition of the word for splendour is read as a deliberate signal that two senses of light, the light of consciousness and the plain physical light of the sun, are meant to be held together rather than resolved into just one.
A close-reading argument drawn from the verse's own wording, not a claim beyond it.
A modern reading, in their fuller words

Read for a wider audience, Madhusudana's stress on the doubled use of the word splendour becomes a lesson in reading closely: scripture rarely repeats a word by accident, and the repetition here is itself evidence that both meanings of tejas, the light of consciousness and the physical light of form, are meant to stand together rather than forcing a choice between a mystical and a plain reading of the same line.

Madhusūdana
Asked in question 6, below
Sit with these

A few questions to carry

These ask for understanding, not recall; each answer is settled by the commentary itself.

1
According to the verse, whose is the light in the sun, moon, and fire?
2
How does this verse connect to the one just before it, about the sun not lighting the supreme abode?
3
If the Lord's light is everywhere, why does the verse single out the sun, moon, and fire?
4
What is the practical shift this verse asks of someone looking at ordinary daylight?
5
For Advaita, what is the radiance ultimately said to be?
6
What does Madhusudana make of the verse repeating the word for splendour, tejas?
7
What image do more than one of these readers use to explain why the light appears more in the sun than elsewhere?
For a second sitting5 more questions
8
What does the surviving fragment of Ramanuja's comment on this verse actually state?
9
What does Madhva's surviving note on this verse consist of?
10
According to what survives of Abhinavagupta's comment, what do the three lights display?
11
How does Sridhara connect this verse to what comes before it in the chapter?
12
Why does this verse matter for someone who is not especially drawn to metaphysics?

Carry this with youwhat stays

Let your eye rest for a moment on whatever light is nearest you now, daylight at a window, a lamp, a screen's glow, and notice that you are looking at something borrowed rather than something owned. Do not strain to feel anything beyond that noticing. Just let the brightness point past itself, the way a signpost points past its own paint, and see where the pointing wants to lead.

The next time daylight floods the room, or the moon cools the night, or a small flame steadies itself, notice that the brilliance is borrowed, and let your looking follow the ray home rather than rest in the lamp.

यच्चन्द्रमसि यच्चाग्नौ तत्तेजो विद्धि मामकम्yac candramasi yac cāgnau tat tejo viddhi māmakam

Read deeper

Everything a full study holds, folded below.

Word by word15 terms
yatwhichāditya-gatamin the suntejaḥbrilliancejagatsolar systembhāsayateilluminatesakhilamentireyatwhichchandramasiin the moonyatwhichchaalsoagnauin the firetatthattejaḥbrightnessviddhiknowmāmakammine
All the commentary, woven togetherevery voice, in one place

The commentary, woven together

machine-assisted draft, pending review

Convergence

he verse makes one plain claim: the light pouring from the sun that lights the whole world, the light in the moon, and the light in fire all belong to the Lord. Krishna tells Arjuna outright, know that radiance to be mine. The most dazzling things a person can point to are taken and shown to be shining with a brilliance that is finally not their own.

Śaṅkarācārya · Rāmānujācārya · Madhvācārya · Śrīdhara Svāmī · Madhusūdana Sarasvatī

This verse answers the one just before it. There, the supreme abode was said to need no sun, moon, or fire to light it. Here is the reason why: those luminaries cannot light that abode because their own light is borrowed from it. The Lord is the source; they are the shining that depends on the source.

Śaṅkarācārya · Śrīdhara Svāmī · Madhusūdana Sarasvatī

A natural question is raised directly rather than avoided: if the Lord's light is everywhere, in things that move and things that do not, why single out the sun, moon, and fire? The shared answer is that the one light shows itself most brightly where the medium is clearest, in the same way a face is mirrored clearly in glass and not at all in wood or stone.

Śaṅkarācārya · Madhusūdana Sarasvatī

For more than one reader here, the radiance named is finally the light of consciousness itself, the awareness by which anything at all is known and made to appear. To call the sun's brightness the Lord's is, on this reading, to say that the very power of illumination is his awareness shining.

Śaṅkarācārya · Madhusūdana Sarasvatī

This verse opens a short run in which Krishna gathers up the visible display of his own glory, and the sun, moon, and fire are offered as the first and most obvious instance of it: the brightest things a person already knows, handed back as evidence of who is shining through them.

Śrīdhara Svāmī · Madhusūdana Sarasvatī

Divergence

Advaita Vedānta

Both readers take the radiance primarily as the light of consciousness, the one awareness that is the very nature of the Self and of Brahman, present without division in the moving and the unmoving alike. It is only made visible where sattva is concentrated, in the sun and its companions, as a face is mirrored in a clear surface and not a dull one. Madhusudana presses further: the word for splendour is used twice in the verse for a reason, once naming where the light stands and once commanding that it be known as the Lord's, and this doubling signals that both the light of consciousness and the ordinary physical light of the sun are meant together, not one to the exclusion of the other.

Śaṅkarācārya · Madhusūdana Sarasvatī

Viśiṣṭādvaita

What survives of Ramanuja's own comment is brief, affirming plainly that the radiance in sun, moon, and fire is the Lord's, and that the cosmic lights are his manifestations rather than sources standing on their own. A fuller Vishishtadvaita treatment of the Lord met and worshipped as present within what he indwells is documented elsewhere in his teaching, but not stated at length on this verse itself, so the reading here is held to what the source actually gives.

Rāmānujācārya

Dvaita

Madhva's surviving note on this verse is a single compressed line: the radiance in sun, moon, and fire is his manifestation. Set beside his wider teaching, where the self's very capacity to act is delegated and dependent on Hari's sanction, this identification is consistent with a settled conviction that the brilliance of the great lights is the Lord's glory directly displayed, not a third thing standing between him and the world, though the source itself does not elaborate the mechanism.

Madhvācārya

Kashmir Śaiva

Abhinavagupta's extant comment reads the three lights as the way the Lord makes manifest his identity as the one doer of creation, sustenance, and dissolution, with the sun's splendour both lighting and upholding through its identity with earth, as the two half-verses following this one are said to state. The note stays at the level of cosmic function; it does not, in what survives, expand into the fuller Trika vocabulary of prakasha and vimarsha that a Kashmir Shaiva reading might otherwise reach for.

Ācārya Abhinavagupta

Bhakti

Sridhara binds the verse tightly to the chapter's hinge: the very abode that sun, moon, and fire cannot light is the one whose own radiance is the light by which they shine, and the four verses beginning here unveil the Lord's form as holding endless power. He treats the verse less as a new claim than as an unveiling of a debt already implied, one meant to turn the seer's noticing of ordinary brightness into adoration of the one it displays.

Śrīdhara Svāmī

Modern

Read for a wider audience, Madhusudana's stress on the doubled use of the word splendour becomes a lesson in reading closely: scripture rarely repeats a word by accident, and the repetition here is itself evidence that both meanings of tejas, the light of consciousness and the physical light of form, are meant to stand together rather than forcing a choice between a mystical and a plain reading of the same line.

Madhusūdana Sarasvatī

A Seeker Asks

If the sun's light is really the Lord's and not the sun's own, in what sense is it his when I simply look outside, and what should that change about how I see ordinary daylight?

The change is not in the light but in what you take it to mean. The same daylight falls whether or not you notice its source; what shifts is that you stop resting your attention in the lamp and start letting it travel back along the ray.

Śaṅkarācārya · Madhusūdana Sarasvatī

Where the surviving comment allows it, the point is put plainly rather than mystically: the great lights of the sky are called his manifestations, not independent things merely blessed by him from outside. That is already a claim about ordinary daylight, not only about rare visionary light.

Rāmānujācārya · Madhvācārya

And it is meant to move you, not just inform you. Noticing that brightness is borrowed is offered as the hinge that turns ordinary seeing into something closer to adoration, so that the next sunrise is no longer only a fact but also a kind of address.

Śrīdhara Svāmī

Contemplation

Let your eye rest for a moment on whatever light is nearest you now, daylight at a window, a lamp, a screen's glow, and notice that you are looking at something borrowed rather than something owned. Do not strain to feel anything beyond that noticing. Just let the brightness point past itself, the way a signpost points past its own paint, and see where the pointing wants to lead.

Sit with this · sonnet-5-authored

All the translations and commentary7 translations
Translationsthe verse re-voiced; tap a translator
The commentatorsthe schools expound the verse

Pull up a chair.

You have come to sit with this verse. When you are ready to hear the translators and the commentators in full, open a tradition in the doorways below, or add a voice by name above.

Also hear this verse, tradition by tradition.

Where this teaching echoesin the Haripath