Kauṣītaki (Śāṅkhāyana) Brāhmaṇa 8.11.1

8.11.1

gāyatryāv āgneyyau /

viii. 9. The two verses for Agni are Gāyatrī verses; this world is connected with the Gāyatrī; thus he obtains this world. Those for Soma are Triṣṭubh verses; the world of the atmosphere is connected with the Triṣṭubh; thus he obtains the world of the atmosphere. Those for Viṣṇu are Jagatī verses; yonder world is connected with the Jagatī; thus he obtains yonder world. These he inverts; those which in the forenoon were invitatory verses he makes offering verses in the afternoon; those which were offering verses he makes invitatory verses, to avoid exhaustion, (thinking) ‘The Ṛc becomes exhausted through the vaṣaṭ call; let me perform the vaṣaṭ call with (verses) unexhausted on the same day’. In that he inverts also, (it is) for the strength of the neck; therefore the joints of the neck are as it were intertwined. The gods have butter as their oblation, the sacrificer has milk as his fast food; that is in accord. He should treat them as broader above; on the first day (he should milk) three teats, then two, then one; verily thus he makes the worlds mutually broader. He should not take out; they advance to the world of heaven who undertake the Upasads; the world of heaven is twelve journeys away; he who takes out once, it is with him as if one should follow after those with one object sent on a single