Maitri (Maitrāyaṇīya) Upaniṣad 7.1

7.1

prapāṭhaka 7 |
agnirgāyatraṃ trivṛdrathantaraṃ vasantaḥ prāṇo nakṣatrāṇi vasavaḥ purastādudyanti tapanti varṣanti stuvanti punarviśnati antarvivaeṇekṣanti acintyo'mūrto gabhīro guṇabhugbhayo'nirvṛttiryogīśvaraḥ sarvajño magho'prameyo'nādyantaḥ śrīmān ajo dhīmānanirdeśyaḥ sarvasṛk sarvasyātmā sarvabhuk sarvasyeśānaḥ sarvasyāntarāntaraḥ ||

1. Agni, the Gāyatrī meter, the Trivṛit hymn, the Rathantara chant, the spring season, the Prāṇa breath, the stars, the Vasu gods, issue forth to the east; they shine, they rain, they praise, they enter again within and peer through an opening.

He is unthinkable, formless, unfathomable, concealed, unimpeachable, compact, inpenetrable, devoid of Qualities, pure, brilliant, enjoying Qualities (_guṇa_), fearful, unproduced, a master Yogī, omniscient, munificent, immeasurable, without beginning or end, illustrious, unborn, intelligent, indescribable, the creator of all, the soul (_ātman_) of all, the enjoyer of all, the lord of all, the inmost being of everything.