BHAGAVAD GITA 17.23
om tat sad iti nirddesho brahmanas tri-vidhah smritah brahmanasas tena vedash ca yajnash ca vihitah purah
Om, Tat, Sat: this has been declared the threefold designation of Brahman. By it were ordained of old the brahmanas, the Vedas, and the sacrifices.
The chapter shifts to its most sacred ground: the three syllables that designate ultimate reality. Om is the sound of the Absolute. Tat means That, pointing beyond all names. Sat means Being, Truth, Existence. Together they are the foundation of all sacred action.
The chapter shifts to its most sacred ground: the three syllables that designate ultimate reality. Om is the sound of the Absolute. Tat means That, pointing beyond all names. Sat means Being, Truth, Existence. Together they are the foundation of all sacred action.
Explore every verse of the Bhagavad Gita with Sanskrit audio and daily reflection.
Three Syllables, One Reality
Verse 17.23 introduces Om Tat Sat, one of the most sacred formulations in all of Vedic and Vedantic tradition. Each syllable points to the Absolute from a different angle. Together they constitute the most complete verbal gesture toward what ultimately cannot be named. The Gita calls this the threefold designation of Brahman: not three names but three facets of one recognition.
Om: The Sound of the Absolute
Om is the primordial sound. Before any specific mantra, any particular deity, any personal prayer, there is Om. It is the vibration that the Upanishads call the sound of Brahman, the hum of existence itself. To begin any sacred act with Om is to acknowledge that the act is rooted in something that existed before you and will continue after you. It is an act of placing oneself in context.
Tat: That Which Is Beyond All Names
Tat means That. It is the great pointing word of Vedanta, appearing in the mahavakya ‘Tat tvam asi’: That thou art. Tat refuses to reduce the Absolute to any concept. It does not say God, or Brahman, or consciousness. It says That, pointing beyond all naming while still acknowledging what is being pointed at. Using Tat in action means dedicating the act to what cannot be contained in any description.
Sat: Being, Truth, Goodness
Sat means being, truth, and goodness simultaneously. It is the word for what is ultimately real. The Upanishads say ‘Sat-chit-ananda’: Being-Consciousness-Bliss, the nature of the Absolute. Using Sat in action means aligning the act with truth, with what is real rather than what merely appears. Asat, the opposite, means what is unreal, and the final verse of Chapter 17 calls faith-less action Asat: without reality.
Chapter 17 shows that faith is the root of everything. GitaPath helps you cultivate it.
Frequently Asked Questions
What does Om Tat Sat mean in the Bhagavad Gita?
Om is the primordial sound of the Absolute. Tat means ‘That,’ pointing beyond all names to the ultimate reality. Sat means being, truth, and goodness. Together they form the Vedic designation of Brahman used to consecrate all sacred action.
Why do Vedic rituals begin with Om?
Om consecrates the act by rooting it in the Absolute. Beginning with Om acknowledges that the action is not merely personal or transactional but is offered into a larger context: the ground of all existence.
What is the meaning of ‘Tat tvam asi’ and how does it relate to BG 17.23?
‘Tat tvam asi’ means ‘That thou art,’ one of Vedanta’s four great sayings. The ‘Tat’ in Om Tat Sat points to the same Absolute: the ultimate reality that is also your own deepest nature. Chapter 17’s use of Tat in action is a practical form of this recognition.
How are Om, Tat, and Sat used in spiritual practice?
Om is used to begin sacred acts. Tat is invoked to dedicate actions beyond personal ownership, toward the Absolute. Sat is used to affirm the truth and reality of what is being done. Verses 17.24 to 17.27 describe these three uses in sequence.
How does GitaPath explain the Om Tat Sat teaching?
GitaPath provides verse-by-verse audio and reflection for verses 17.23 to 17.27, helping users understand how to actually apply Om Tat Sat as a framework for consecrating daily actions, not just ritual ones.
Sattvic faith transforms everything it touches. Let GitaPath guide yours.





