Shatapatha Brahmana 1.4.1.28

1.4.1.28

bṛhadagne suvīryāmiti | ado vai bṛhadyasmindevā etatsuvīryaṃ yasmindevāḥ saiṣitameva lokamabhyanūktā divamevaitamevaitayā lokaṃ jayati yasyaivaṃ viduṣa etāmanvāhuḥ

'That great and mighty one, O God!' For great, indeed, is yonder (region) wherein the gods (dwell), and mighty is that wherein the gods (dwell). This (verse), then, is recited with reference to yonder world: that heavenly world he thereby gains, for whom, knowing this, they recite this (verse).