Maitrayaniya Upanishad 6.29.7

6.29.7

yata eṣa uktavidyārūpo'rtho'tha śreyomārgeṣu brahmapatho brahmaprāptimārga ityarthaḥ | atra ‘na tasya prāṇā utkrāmanti atraiva samavanīyante brahmaiva san brahmāpyeti’ ( śata0 brā0 kā0 14| a0 7 ) iti śruternirguṇabrahmātmatattvavido notkramaṇamastītyetatsiddhavatkṛtya saguṇabrahmavido brahmalokamārgaṃ kramamukterdvāraṃ vispaṣṭamāha śrutiḥ, sauramiti | sauraṃ dvāraṃ sūryyamaṇḍalamadhyagatamaviduṣāmabhedyaṃ dvāraṃ bhittvā vidāryya urddhenoparitanena vidyudādinā vinirgatā upāsakā ityatrāsminnarthe raśmiviśeṣanirddhāraṇārthamudāharanti ślokāniti śeṣaḥ | athavā maruduttarāyaṇaṃ gata iti marunnāmno rājña eva vṛttāntaḥ kathyate | tathā cāyamarthaḥ, uttarāyaṇaṃ devayānaṃ panthānaṃ gataḥ kālenāntarūḍho na sākṣāt kaivalyamatraiva gata ityarthaḥ | yadi sākṣānmuktiṃ na prāpa tarhi bhogānte saṃsāraḥ syādityata āha, na hyatreti | atropāsanāyāṃ satyāmudvartmanā saṃsāramārgeṇa punargatirgamanaṃ na hyasti ‘na hi kalyāṇakṛt kaścit durgatiṃ tāta gacchati’ iti bhagavatsmaraṇāt | yata eṣa devayāno'tropāsanāyāṃ brahmapatho brahmaṇaḥ parasyā'pi krameṇa prāpakatvāt brahmapatha ityarthaḥ | sauradvāraṃ bhittvorddhena vinirgatā marunnāmā rājarṣiḥ, atrodāharanti iti pūrvvavat | tasya