Maitrayaniya Upanishad 6.34.4

6.34.4

vartate kintu sarvavyāpītyarthaḥ, iti evamprakāreṇa akṣiṇi sarvaprāṇicakṣurddeśe agnau ca prasiddhe'syaiva tejaso'śamātramityarthaḥ | kiṃ tattejaḥ, etadbrahma paripūrṇaṃ, ata evaitadamṛtamanāgamāpāyi nityamiti yāvat | etadeva bhargaḥ sarvakāraṇatvādirūpaṃ pūrvaṃ vyākhyātam | tejastejasvināmahmiti bhagavadvacanāt sarvavyāpī tejorūpaṃ brahmāmṛtaṃ viṣṇurityuktaṃ bhavati | idānīmuktameva svarūpamanūdya tasya sarvātmatvamāviṣkurvvatau dhyeyaviśeṣamarthādupadiśati, etat satyadharma ityādinā | kiṃ tatsatyadharmapadābhidheyaṃ tadāha, yadādityasya madhye amṛtamiti | kiṃ tadamṛtaṃ tadāha, yasyeti | somaścandramāḥ, prāṇāḥ prāṇināṃ jīvanākhyāḥ prāṇādivṛttayaḥ, vāśabdāt prāṇasthityarthamannaṃ gṛhyate, ete sarve'pyamṛtarūpāḥ padārthā yasyāṅkurāḥ kāryāṇi amṛtāṅkurakāraṇatvādamṛtamityarthaḥ | apyayaṅkurā iti yakāraḥ pramādapatitaḥ | etadbrahmetyādyuktārtham | amṛtātmatvamupapādyāsya punarapi yajurātmatvamāhaitat satyadharma iti | yadādityasya madhye yajurdīpyati dīpyate, kiṃ tadyajuriti tadāhomāpa iti | oṃkāro'nujñāpanāt, āpyāyanādāpaḥ, prakāśanājjyotiḥ, rasaḥ sarvakarmapari-