Chandogya Upanishad (with commentary) · Chapter 7.2

ChUpBh_7,1.5 sa yastu nāma brahmetyupāste tasya yatphalaṃ bhavati tacchṛṇu yāvannāmno gataṃ nāmno gocaraṃ tatra tasminnāmaviṣaye 'sya yathākāmacāraḥ kāmacaraṇaṃ rājña iva svaviṣaye bhavati /
yo nāma brahmetyupāsta ityupasaṃhāraḥ /
kimasti bhagavo nāmno bhūyo 'dhikataraṃ yadbrahmadṛṣṭyarhamanyadityabhiprāyaḥ /
sanatkumāra āha nāmno vāva bhūyo 'styevetyukta āha yadyasti tanme bhagavānbravītviti //5//
iti cchāndogyopaniṣadi saptamādhyāyasya prathamaḥ khaṇḍaḥ
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START ChUp 7,2.1
vāg vāva nāmno bhūyasī |
vāg vā ṛgvedaṃ vijñāpayati yajurvedaṃ sāmavedam ātharvaṇaṃ caturtham itihāsapurāṇaṃ pañcamaṃ vedānāṃ vedaṃ pitryaṃ rāśiṃ daivaṃ nidhiṃ vākovākyam ekāyanaṃ devavidyāṃ brahmavidyāṃ bhūtavidyāṃ kṣatravidyāṃ nakṣatravidyāṃ sarpadevajanavidyāṃ divaṃ ca pṛthivīṃ ca vāyuṃ cākāśaṃ cāpaś ca tejaś ca devāṃś ca manuṣyāṃś ca paśūṃś ca vayāṃsi ca tṛṇavanaspatīñ śvāpadāny ākīṭapataṅgapipīlakaṃ dharmaṃ cādharmaṃ |
ca satyaṃ cānṛtaṃ ca sādhu cāsādhu ca hṛdayajñaṃ cāhṛdayajñaṃ ca |
yad vai vāṅ nābhaviṣyan na dharmo nādharmo vyajñāpayiṣyan na satyaṃ nānṛtaṃ na sādhu nāsādhu na hṛdayajño nāhṛdayajñaḥ |
vāg evaitad sarvaṃ vijñāpayati vācam upāssveti

ChUpBh_7,2.1 vāgvāva /
vāgitīndriyaṃ jihvābhūlādiṣvaṣṭasu sthāneṣu sthitaṃ varṇānāmabhivyañjakam /
varṇāśca nāmeti nāmno vāgbhūyasītyucyate /
kāryaddhi kāraṇaṃ bhūyo dṛṣṭaṃ loke yathā putrātpitā tadvat /
kathaṃ ca vāṅnāmno bhūyasītyāhavāgvā ṛgvedaṃ vijñāpayatyayamṛgveda iti /
tathā yajurvedamityādi samānam /
hṛdayajñaṃ hṛdayapriyam /
tadviparītamahṛdayajñam /
yadyadi vāṅnābhaviṣyaddharmādi na vyajñāpayiṣyadvāgabhāve 'dhyayanābhāve tadarthaśravaṇābhāvastacchravaṇābhāve dharmādi na vyajñāpayiṣyanna vijñātamabhaviṣyadityarthaḥ /
tasmādvāgevaitacchabdoccāraṇena sarvaṃ vijñāpayatyato bhūyasī vāṅnāmnastasmādvācaṃ brahmetyupāḥsva //1 //
START ChUp 7,2.2
sa yo vācaṃ brahmety upāste |
yāvad vāco gataṃ tatrāsya yathākāmacāro bhavati yo vācaṃ brahmety upāste |
asti bhagavo vāco bhūya iti |
vāco vāva bhūyo 'stīti |
tan me bhagavān bravītv iti