Shatapatha Brahmana 14.3.1.31

14.3.1.31

sa upahavamiṣṭvā bhakṣayati mayi tyadindriyam bṛhadityetadvā indriyam bṛhadya eṣa tapati mayi dakṣo mayi kraturiti kratūdakṣāvevātmandhatte gharmastriśugvirājatīti gharmo hyeṣa triśugvirājati virājā jyotiṣā saheti virājā hyeṣa jyotiṣā saha brahmaṇā tejasā saheti brahmaṇā hyeṣa tejasā saha payaso reta ābhṛtamiti payaso hyetadreta ābhṛtaṃ tasya dohamaśīmahyuttarāmuttarāṃ samāmityāśiṣamevaitadāśāste'tha cātvāle mārjayante'sāveva bandhuḥ

Having solicited an invitation (and received an answer from the priests), he drinks of it, with (Vâg. S. XXXVIII, 27), 'May there be in me that great energy,'--a great energy, indeed, is he who shines yonder;--'in me the fitness, in me the intelligence,'--fitness and intelligence he thus secures to himself;--'the Gharma of triple fires shineth,'--for this Gharma of triple fires indeed shines;--'together with the shining light,'--for together with the shining light (the sun) it indeed is;--'together with the fire, the Brahman,'--for together with the fire, the Brahman, it indeed is,--(Vâg. S. XXXVIII, 28), 'The seed of the milk hath been brought,'--for this is indeed the seed of the milk that has been brought;--'may we obtain the milking thereof year after year!'--it is a blessing he thereby invokes. They then cleanse themselves at the pit the significance of this is the same as before.