Śatapatha Brāhmaṇa ("of a hundred paths") 4.5.4.12

4.5.4.12

teṣām bhakṣaḥ | agne varcasvinvarcasvāṃstvaṃ deveṣvasi varcasvānaham manuṣyeṣu bhūyāsamindraujiṣṭhaujiṣṭhastvaṃ deveṣvasyojiṣṭho 'ham manuṣyeṣu bhūyāsaṃ sūrya bhrājiṣṭha bhrājiṣṭhastvaṃ deveṣvasi bhrājiṣṭho 'ham manuṣyeṣu bhūyāsamityetāni ha vai bhrājāṃsyetāni vīryāṇyātmandhatte yasyaivaṃ viduṣa etāngrahān gṛhṇanti

The drinking of these (cups is performed by the sacrificers with the resp. texts), 'O lustrous Agni, lustrous art thou among the gods: may I be lustrous among men!--Most powerful Indra, most powerful art thou among the gods: may I be the most powerful among men!--Most splendid Sûrya, most splendid art thou among the gods: may I be the most splendid among men!' And, verily, these same splendours, these same powers he takes unto himself for whomsoever, knowing this, they draw these cups.