Taittiriya Upanishad (Brahmānanda Valli, Chapter 2, Verse 3)
Sanskrit (Transliteration) “prāṇaṁ devā anu prāṇanti | manuṣyāḥ paśavaśca ye | prāṇo hi bhūtānāmāyuḥ | tasmāt sarvāyuṣamucyate | sarvameva ta āyuryanti | ye prāṇaṁ brahmopāsate | prāṇo hi bhūtānāmāyuḥ | tasmāt sarvāyuṣamucyate iti | tasya eṣa eva śārīra ātmā | yaḥ pūrvasya | tasmādvā etasmāt prāṇamayāt | anyo’ntara ātmā manomayaḥ | tenaiṣa pūrṇaḥ | sa…