Katha Upanishad · Chapter 6

// iti pañcamī vallī //
ūrdhvamūlo avākśākha eṣo 'śvatthaḥ sanātanaḥ /
tad eva śukraṃ tad brahma tad evāmṛtam ucyate /
tasmiṃl lokāḥ śritāḥ sarve tad u nātyeti kaścana //
etad vai tat

yad idaṃ kiṃca jagat sarvaṃ prāṇa ejati niḥsṛtam /
mahad bhayaṃ vajram udyataṃ ya etad vidur amṛtās te bhavanti

bhayād asyāgnis tapati bhayāt tapati sūryaḥ /
bhayād indraś ca vāyuś ca mṛtyur dhāvati pañcamaḥ

iha ced aśakad boddhuṃ prākśarīrasya visrasaḥ /
tataḥ sargeṣu lokeṣu śarīratvāya kalpate

yathādarśe tathātmani yathā svapne tathā pitṛloke /
yathāpsu parīva dadṛśe tathā gandharvaloke chāyātapayor iva brahmaloke

indriyāṇāṃ pṛthagbhāvam udayāstamayau ca yat /
pṛthag utpadyamānānāṃ matvā dhīro na śocati

indriyebhyaḥ paraṃ mano manasaḥ sattvam uttamam /
sattvād adhi mahānātmā mahato 'vyaktam uttamam

avyaktāt tu paraḥ puruṣo vyāpako 'liṅga eva ca /
yaṃ jñātvā mucyate jantur amṛtatvaṃ ca gacchati

na saṃdṛśe tiṣṭhati rūpam asya na cakṣuṣā paśyati kaścanainam /
hṛdā manīṣā manasābhikḷpto ya etad vidur amṛtās te bhavanti

yadā pañcāvatiṣṭhante jñānāni manasā saha /
buddhiś ca na viceṣṭati tām āhuḥ paramāṃ gatim

tāṃ yogam iti manyante sthirām indriyadhāraṇām /
apramattas tadā bhavati yogo hi prabhavāpyayau

naiva vācā na manasā prāptuṃ śakyo na cakṣuṣā /
astīti bruvato 'nyatra kathaṃ tad upalabhyate

astīty evopalabdhavyas tattvabhāvena cobhayoḥ /
astīty evopalabdhasya tattvabhāvaḥ prasīdati

yadā sarve pramucyante kāmā ye 'sya hṛdi śritāḥ /
atha martyo 'mṛto bhavaty atra brahma samaśnute

yadā sarve prabhidyante hṛdayasyeha granthayaḥ /
atha martyo 'mṛto bhavaty etāvad dhy anuśāsanam

śataṃ caikā ca hṛdayasya nāḍyas tāsāṃ mūrdhānam abhiniḥsṛtaikā /
tayordhvam āyann amṛtatvam eti viṣvaṅṅ anyā utkramaṇe bhavati

aṅguṣṭhamātraḥ puruṣo 'ntarātmā sadā janānāṃ hṛdaye saṃniviṣṭaḥ /
taṃ svāc charīrāt pravṛhen muñjād iveṣīkāṃ dhairyeṇa /
taṃ vidyāc chukram amṛtaṃ taṃ vidyāc chukram amṛtam iti

mṛtyuproktāṃ naciketo 'tha labdhvā vidyām etāṃ yogavidhiṃ ca kṛtsnam /
brahmaprāpto virajo 'bhūd vimṛtyur anyo 'py evaṃ yo vid adhyātmam eva