Chandogya Upanishad (with commentary) · Chapter 8.14

ChUpBh_8,13.1 śyāmācchabalaṃ prapadya ityādimantrāmnāya pāvano japārthaśca dhyānārtho vā /
śyāmo gambhīro varṇaḥ śyāma iva śyāmo hārdaṃ brahmātyantaduravagāhyatvāttaddhārda brahma jñātvā dhyānena tasmācchyāmācchabalaṃ śabala iva śabalo 'raṇyādyanekakāmamiśratvādbrahmalokasya śābalya taṃ brahmalokaṃ śabalaṃ prapadye manasā śarīrapātādvordhvaṃ gaccheyam /
yasmādahaṃ śabalādbrahmalokānnāmarūpavyākaraṇāya śyāmaṃ prapadye hārdabhāvaṃ prapanno 'smītyabhiprāyaḥ /
atastameva prakṛtisvarūpamātmānaṃ śabalaṃ prapadya ityarthaḥ /
kathaṃ śabalaṃ brahmalokaṃ prapadya ityucyate-aśva iva svāni lomāni vidhūya kampanena śramaṃ pāṃsvādi ca romato 'panīya yathā nirmalo bhavatyevaṃ hārdabrahmajñānena vidhūya pāpaṃ dharmādharmākyaṃ candra iva ca rāhugrastastasmādrahormukhātmapramucya bhāsvaro bhavati yathaivaṃ dhūtvā prahāra śarīraṃ sarvānarthāśrayamihaiva dhyānena kṛtātmā kṛtakṛtyaḥ sannakṛtaṃ nityaṃ brahmalokamabhisaṃbhavāmīti /
dvirvacanaṃ mantrasamāptyartham //1//
iti cchāndogyopaniṣadi aṣṭamādhyāyasya trayodaśaḥ khaṇḍaḥ
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START ChUp 8,14.1
ākāśo vai nāma nāmarūpayor nirvahitā |
te yadantarā tad brahma tad amṛtaṃ sa ātmā |
prajāpateḥ sabhāṃ veśma prapadye yaśo 'haṃ bhavāmi brāhmaṇānāṃ yaśo rājñām yaśo viśām |
yaśo 'ham anuprāpatsi |
sa hāhaṃ yaśasāṃ yaśaḥ |
śyetam adatkam adatkaṃ śyetaṃ lindu mābhigāṃ lindu mābhigām