Maitrayaniya Upanishad 6.26.2

6.26.2

vyuccarantyevamevāsmādātmanaḥ sarve prāṇāḥ sarve lokāḥ sarve devāḥ sarvāṇi bhūtāni vyuccaranti' (bṛhadā0 a0 4) dūti || 2 6 || idānīṃ prakārāntareṇa dṛṣṭāntajyotiṣamātmānamupalambhayan saphalāmātmaniṣṭhāmupadiśati "athānyatrāpyuktaṃ 0 tejasyaivāgnisūryayoḥ” dūti | brahmaṇo vāva paramātmana evaitadvakṣyamāṇaṃ tejaḥ, kiṃlakṣaṇasya parasya sarvadṛśyasvabhāvātītamyāta evāmṛtasya janmādimaraṇāntavikriyārahitasyeti yāvat | svataḥ paramamṛtamapi brahmatejaḥ śarīrasambandhāt viparītaṃ syādityato viśinaṣṭi, aśarīrasyeti | śarīrasambandharahitasya, na hi niravayavasyāsaṅgasya jatukāṣṭhavat śarīrasaṃśleṣo'stīti bhāvaḥ | evaṃvidhasya brahmaṇo vāvaitatteja iti sambandhaḥ | kiṃ tadityāha | yaccharīrasyauṣṇyaṃ śarīrasambandhyāgneyaṃ yadauṣṇyamupalabhyate sparśanena pratyakṣeṇa tadbrahmasteja dūtyarthaḥ | tathā ca chāndogye 'yadataḥ paro divo jyotirdīpyate' dūtyupakramya 'idaṃ vāva tadyadidamasminnantaḥpuruṣe jyotistasyaiṣā dṛṣṭiryatraitadasmiñcharīre saṃsparśenoṣṇimānaṃ vijānāti' dūti | asya tejasa etat prasiddhaṃ śarīraṃ ghṛtaṃ, anena hi tadbrahmatejo'nyatrāprakāśamānamagniriva ghṛtena dīpyate | evaṃ