Sat names what truly is, what is truly good, and any act truly worth doing.
A single small word is asked to carry a great deal: the being of a newborn, the goodness of a reformed heart, and the worth of a marriage rite, all at once. This verse explains how one word can do all three.
The word "sat" is used both for real being and for what is good; and, Arjuna, that same word "sat" is applied to a praiseworthy act.
The reading read whole, as one unhurried piece
Where it stands
You have already heard Om, and Tat. Now comes the third and last of the sacred formula's words, sat, the smallest and most ordinary-sounding of the three, and Krishna shows how far it actually reaches.
The teaching
Sat carries two plain senses. The first is real being, sad-bhava, the sense of coming into existence, the way you say a newborn son now is, where before he was not. The second is goodness, sadhu-bhava, the way you call a person or a thing good, as when someone who once acted badly turns and takes up good conduct. Where the sources speak to it, sat is also a recognized name of Brahman himself, drawn from the scriptural memory that in the beginning this was being alone; so to speak the word in either sense is, in a small and ordinary way, to sound a name of the Absolute. Then the word reaches further, into action. A praiseworthy, auspicious deed, a marriage or a rite of similar weight, is rightly called sat too. This is not an arbitrary stretch of the word; a good act already shares in the being and goodness sat names elsewhere, so naming it sat in the field of action simply continues what the word already means. At least one source goes further still, holding that speaking sat over a rite is not only description but a kind of completion, supplying what the act might otherwise lack and helping it reach its fruit without obstruction. Not every voice on this verse has equally much to say. Two of the six acaryas gathered here leave little or nothing behind on this particular verse, one because his surviving comment treats it as part of a larger passage answered elsewhere, one because no comment from him on this verse survives at all. Both gaps are reported honestly rather than papered over with invented prose, because a verse about what is truly sat, truly real, deserves nothing less than a truly accurate account of its own sources.
The doubt that rises
If sat truly names Brahman, does calling an ordinary birth, an ordinary reform of character, or an ordinary good deed by that same word actually connect it to something ultimate, or is this only a grand word borrowed for something small? And when a source has nothing to say, what is owed to the reader: silence, or an honestly labeled guess?
Where the paths divide
Read from the standpoint that only Brahman is sat without qualification.
Being and goodness in any ordinary thing or deed are borrowed, sharing only partially in Brahman, the one reality that is fully being and fully good. A birth, a moral turning, and an auspicious rite are called sat because each shares, in its own measure, in what the word names in full only of Brahman himself. The extension to action follows naturally: an act already shares in the being and goodness the word carries, so naming it sat simply continues the same logic into the field of deeds.
Read at the modest scope the extant source actually supports.
What survives from Ramanuja here is a compact, plain note rather than an extended argument: sat means existence, and it means goodness, and both usages are found equally in ordinary speech and in the Veda. A good worldly act earns the same name by the simple thought that it is a good act. His fuller doctrine of the Lord as inner ruler, allotting being and worth to every self, is not spelled out on this verse's own terms, and this reading does not import it where the source itself stays quiet.
Read as the name belonging to Brahman first, and to rites only derivatively.
Madhva reads sad-bhava as pointing to Brahman's own power of bringing beings into existence, not a bare abstract fact standing apart from him. Sacrifices and similar rites are called sat because they are images of Brahman, bearing his name through a shared identity of name. Offered without craving the fruit and aimed rightly at Brahman, Brahman himself, out of his own love, comes to be present within the rite and brings it to completion; the name belongs to him first, and to the rite only as his image.
Read where the roster's own source is honestly silent.
No comment from Sridhara survives on this verse in the record available here, and that silence is reported plainly rather than dressed up as a stated position. What can be offered, clearly labeled as inference and not as his word, is only this: since he elsewhere reads such terms through devotion and through acts done for the Lord's sake, a consistent reader of his method might expect him to single out the praiseworthy act named here in just that way. But nothing here is his own attested comment.
Read where the source folds this verse into a wider passage.
Abhinavagupta's surviving commentary treats this verse as part of one continuous passage running from 17.23 to 17.27, with its full statement given earlier and not restated here, so no independent gloss on sat's own senses survives addressed to this verse alone. A clearly labeled extension, not his stated word, would read sat as pointing to the fullness of being that consciousness itself is, and a sat act as an unobstructed expression of that same fullness rather than a bare moral label.
Read as language doing real work, not only describing it.
Madhusudana gives sat a functional, almost technical role: the word mends a lack, supplying the goodness of a rite where it might be in doubt and the existence of its fruit where that too might be in doubt, and further, spoken over a praiseworthy act, brings that act to its fruit swiftly and without hindrance. Read for today, the word is less a compliment offered after the fact and more a completing act in itself, a power the source calls exceedingly praiseworthy.
All the attested readings agree on sat's two basic senses, being and goodness, and on its extension to a praiseworthy act. They part on how far the word's reach actually goes: whether it only borrows meaning from Brahman by degree, as Shankara suggests, or draws Brahman himself into the rite through a shared name, as Madhva holds, or does real completing work when rightly spoken, as Madhusudana insists. And for two of the six voices gathered here, the honest record itself leaves a gap rather than a position, a gap this page keeps visible rather than closing with invented words.
A question to carry
What is one ordinary thing in your life today, a person, a habit, a small task, that you would honestly call sat: truly existing, truly good, truly worth doing? What changes if you name it that plainly?
Where this teaching travels
Verses that sit near this one, each going its own way; follow whichever calls you.
So let this small word do its quiet work in you. Where something truly is, and where something is truly good, let it be named so, without waiting for a grander occasion to say it.
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.
Having already unfolded Om and Tat, Krishna turns to the third and last word of the sacred formula, sat, and lays open the senses it holds and the deeds it rightly names.
Where they agreethe convergence
Across schools and centuries the commentators come to the same ground. These are the points they share, and the voices that hold each one.
Sat names two things at once: that something has truly come to be, and that something or someone is truly good.
Across Advaita, ViśiṣṭādvaitaŚaṅkara · Rāmānuja · MadhusūdanaIn Śaṅkara, Rāmānuja, and 1 others’ words
The verse gives the word sat two working senses. First, real being, sad-bhava, the sense in which a thing comes into existence, as when a son is born and we say he now is. Second, goodness, sadhu-bhava, the sense in which a person or thing is called good, as when someone who once acted badly turns to good conduct. Where the sources are attested, they agree on this basic pair.
Where addressed, sat is a name of Brahman himself, so speaking it in either sense sounds the name of the Absolute in a small way.
Across Advaita, DvaitaŚaṅkara · Madhva · MadhusūdanaIn Śaṅkara, Madhva, and 1 others’ words
Sat is not merely a descriptive label floating free of any deeper ground; it is, where the sources address the point, a recognized name of Brahman, drawn from the scriptural line that in the beginning this was being alone. To speak the word in either of its two senses is therefore, on this reading, to sound a name of the Absolute in a small, ordinary way.
The same word reaches into action: an auspicious deed, a marriage or its like, is rightly called sat because it shares in that same being and goodness.
Across Advaita, ViśiṣṭādvaitaŚaṅkara · Rāmānuja · MadhusūdanaIn Śaṅkara, Rāmānuja, and 1 others’ words
The verse then extends the same word to action: a praiseworthy, auspicious deed, the examples given being a marriage or a similar blessed rite, is rightly called sat. The extension is treated as natural rather than arbitrary, since a good act already shares in the being and goodness the word names elsewhere.
For at least one source, speaking sat over a rite is not mere description; it has a completing force, supplying what would otherwise be lacking.
Across Dvaita, AdvaitaMadhva · MadhusūdanaIn Madhva and Madhusūdana’s words
Where the sources go further, they credit the word with more than description: speaking sat over a rite has a completing or repairing force, supplying what would otherwise be lacking and helping a good act reach its fruit without hindrance. This is stated explicitly by some sources and left unaddressed, rather than denied, by others whose surviving comment on this verse is thin.
Two of the six voices on this verse are honestly thin or silent here, and the teaching keeps that gap visible rather than filling it with invented words.
Across Bhakti, Kashmir ŚaivaŚrīdhara · AbhinavaguptaIn Śrīdhara and Abhinavagupta’s words
Two of the six acaryas on this verse's own roster, Sridhara and Abhinavagupta, leave no independent, verse-specific statement behind, the one entirely silent here, the other folding this verse into a wider passage answered elsewhere. The honest common ground, in their case, is the gap itself, not a claim invented to fill it.
This is the shared ground; it can be carried as it is. Below is where they differ.
Where they differthe divergence
Viśiṣṭādvaita, in their fuller words
Ramanuja's surviving comment is a brief, plain semantic note: sat means existence and it means goodness, found equally in ordinary speech and in the Veda, and a good worldly act rightly earns the same name by the simple thought, this is a good act. His fuller architecture of the Lord as inner ruler allotting being and worth is not spelled out on this verse's own terms, so the reading offered here stays close to the compact statement that survives rather than importing his wider system uninvited.
Dvaita, in their fuller words
Madhva reads sad-bhava as pointing to Brahman's own power of bringing beings into existence, not a bare abstract fact, and treats sacrifices and similar rites as images of Brahman bearing his name through a shared identity of name. When a rite is offered without craving its fruit and aimed rightly at Brahman, Brahman himself, out of love, comes to be present within it and brings it to completion; sat belongs to him first and to the rites only derivatively.
Bhakti, in their fuller words
No comment from Sridhara survives on this verse at all, and that silence is reported honestly rather than papered over. A clearly labeled extension, drawn only from how he reads related terms elsewhere through devotion to the Lord, would expect him to single out the praiseworthy act named here as one done for the Lord's own sake; but this is inference about his likely method, not a report of his actual words.
A modern reading, in their fuller words
Madhusudana gives sat a functional, near-technical role: the word mends a lack, supplying goodness where sacrifice might otherwise be in doubt and existence where its fruit might otherwise be in doubt, and further, spoken over a praiseworthy act, brings that act to its fruit swiftly and without hindrance. Read for a contemporary seeker, the word is less a compliment and more a completing act in itself, exceedingly praised for exactly this power.
A few questions to carry
These ask for understanding, not recall; each answer is settled by the commentary itself.
For a second sitting
Carry this with youwhat stays
Notice, today, one ordinary thing you would call good, and one ordinary thing you would simply call real, present, actually so. Let the same small word rest on both: this is, this is good. You need not reserve the word for temples or weddings. See whether naming things this way, quietly, changes how carefully you attend to them, since what deserves the name of the real deserves your full attention too.
So let this small word travel further than temples and weddings. Notice what truly is, and what is truly good, in your own ordinary day, and let it be named rightly.
Read deeper
Everything a full study holds, folded below.
Word by word
All the commentary, woven together
The commentary, woven together
machine-assisted draft, pending review
Convergence
he verse gives the word sat two working senses. First, real being, sad-bhava, the sense in which a thing comes into existence, as when a son is born and we say he now is. Second, goodness, sadhu-bhava, the sense in which a person or thing is called good, as when someone who once acted badly turns to good conduct. Where the sources are attested, they agree on this basic pair.
Śaṅkarācārya · Rāmānujācārya · Madhusūdana Sarasvatī
Sat is not merely a descriptive label floating free of any deeper ground; it is, where the sources address the point, a recognized name of Brahman, drawn from the scriptural line that in the beginning this was being alone. To speak the word in either of its two senses is therefore, on this reading, to sound a name of the Absolute in a small, ordinary way.
Śaṅkarācārya · Madhvācārya · Madhusūdana Sarasvatī
The verse then extends the same word to action: a praiseworthy, auspicious deed, the examples given being a marriage or a similar blessed rite, is rightly called sat. The extension is treated as natural rather than arbitrary, since a good act already shares in the being and goodness the word names elsewhere.
Śaṅkarācārya · Rāmānujācārya · Madhusūdana Sarasvatī
Where the sources go further, they credit the word with more than description: speaking sat over a rite has a completing or repairing force, supplying what would otherwise be lacking and helping a good act reach its fruit without hindrance. This is stated explicitly by some sources and left unaddressed, rather than denied, by others whose surviving comment on this verse is thin.
Madhvācārya · Madhusūdana Sarasvatī
Two of the six acaryas on this verse's own roster, Sridhara and Abhinavagupta, leave no independent, verse-specific statement behind, the one entirely silent here, the other folding this verse into a wider passage answered elsewhere. The honest common ground, in their case, is the gap itself, not a claim invented to fill it.
Śrīdhara Svāmī · Ācārya Abhinavagupta
Divergence
Advaita Vedānta
Shankara reads sat's two senses, being and goodness, as tracing back to Brahman, the source of whatever exists and whatever is called good, so that a birth or a moral turning is called sat only by sharing partially in what Brahman is fully. The extension to an auspicious act, such as a marriage, follows the same logic: the act shares in the being and goodness the word already carries, and is simply named accordingly in the field of action.
Śaṅkarācārya
Viśiṣṭādvaita
Ramanuja's surviving comment is a brief, plain semantic note: sat means existence and it means goodness, found equally in ordinary speech and in the Veda, and a good worldly act rightly earns the same name by the simple thought, this is a good act. His fuller architecture of the Lord as inner ruler allotting being and worth is not spelled out on this verse's own terms, so the reading offered here stays close to the compact statement that survives rather than importing his wider system uninvited.
Rāmānujācārya
Dvaita
Madhva reads sad-bhava as pointing to Brahman's own power of bringing beings into existence, not a bare abstract fact, and treats sacrifices and similar rites as images of Brahman bearing his name through a shared identity of name. When a rite is offered without craving its fruit and aimed rightly at Brahman, Brahman himself, out of love, comes to be present within it and brings it to completion; sat belongs to him first and to the rites only derivatively.
Madhvācārya
Kashmir Śaiva
The surviving Abhinavagupta material folds this verse into one continuous passage running from 17.23 to 17.27, with its full statement given earlier and not restated here, so no independent verse-specific reading survives. A clearly labeled Kashmir Shaiva extension, not his stated word, would read sat as pointing to the fullness of being that consciousness itself is, and calling an act sat as marking it an unobstructed expression of that same fullness, rather than a bare moral label.
Ācārya Abhinavagupta
Bhakti
No comment from Sridhara survives on this verse at all, and that silence is reported honestly rather than papered over. A clearly labeled extension, drawn only from how he reads related terms elsewhere through devotion to the Lord, would expect him to single out the praiseworthy act named here as one done for the Lord's own sake; but this is inference about his likely method, not a report of his actual words.
Śrīdhara Svāmī
Modern
Madhusudana gives sat a functional, near-technical role: the word mends a lack, supplying goodness where sacrifice might otherwise be in doubt and existence where its fruit might otherwise be in doubt, and further, spoken over a praiseworthy act, brings that act to its fruit swiftly and without hindrance. Read for a contemporary seeker, the word is less a compliment and more a completing act in itself, exceedingly praised for exactly this power.
Madhusūdana Sarasvatī
A Seeker Asks
If sat is really a name of Brahman, does calling my own ordinary good deed 'sat' actually connect it to anything ultimate, or am I just borrowing a grand word for something small?
Where the sources speak to this, they hold that the connection is not borrowed in the sense of being false. Whatever exists shares, however partially, in Brahman's own being, and whatever is good shares in his goodness; naming your deed sat is naming, in a small compass, what is nonetheless real and not merely metaphorical.
Śaṅkarācārya
For Madhva, the word's completing power depends on how the act is offered, without craving its fruit and aimed rightly at Brahman; it is not the syllable alone that does the work, but the syllable spoken from right aim. So the question worth asking of your own deed is less whether the word applies and more whether it is offered that way.
Madhvācārya
Ramanuja's surviving comment keeps the claim modest and does not overreach: a good worldly act simply earns the name sat by being, in plain terms, a good act, found this way equally in ordinary life and in scripture. That modesty is itself worth sitting with, since it means the name is available to you without requiring any special ritual occasion first.
Rāmānujācārya
Contemplation
Notice, today, one ordinary thing you would call good, and one ordinary thing you would simply call real, present, actually so. Let the same small word rest on both: this is, this is good. You need not reserve the word for temples or weddings. See whether naming things this way, quietly, changes how carefully you attend to them, since what deserves the name of the real deserves your full attention too.
Sit with this · sonnet-5-authored
All the translations and commentary
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.