PB, 6, 1, 6.0 so 'kāmayata yajñaṃ sṛjeyeti sa mukhata eva trivṛtam asṛjata taṃ gāyatrīchando 'nvasṛjyatāgnir devatā brāhmaṇo manuṣyo vasanta ṛtus tasmāt trivṛt stomānāṃ mukhaṃ gāyatrī chandasām agnir devatānāṃ brāhmaṇo manuṣyāṇāṃ vasanta ṛtūnāṃ tasmād brāhmaṇo mukhena vīryaṃ karoti mukhato hi sṛṣṭaḥ //

PB, 6, 1, 6.0 so 'kāmayata yajñaṃ sṛjeyeti sa mukhata eva trivṛtam asṛjata taṃ gāyatrīchando 'nvasṛjyatāgnir devatā brāhmaṇo manuṣyo vasanta ṛtus tasmāt trivṛt stomānāṃ mukhaṃ gāyatrī chandasām agnir devatānāṃ brāhmaṇo manuṣyāṇāṃ vasanta ṛtūnāṃ tasmād brāhmaṇo mukhena vīryaṃ karoti mukhato hi sṛṣṭaḥ //