GB, 1, 1, 17, 1.0 tasya prathamayā svaramātrayā pṛthivīm agnim oṣadhivanaspatīn ṛgvedaṃ bhūr iti vyāhṛtiṃ gāyatraṃ chandas trivṛtaṃ stomaṃ prācīṃ diśaṃ vasantam ṛtuṃ vācam adhyātmaṃ jihvāṃ rasam itīndriyāṇy anvabhavat //

GB, 1, 5, 15, 7.0 vasanta eva bhargo grīṣma eva maho varṣā eva yaśaḥ śarad eva sarvam //

GB, 1, 5, 16, 1.0 sa yad āha mayi bharga iti pṛthivīm evaitallokānām āhāgniṃ devānāṃ vasūn devān devagaṇānāṃ gāyatraṃ chandasāṃ prācīṃ diśāṃ vasantam ṛtūnāṃ trivṛtaṃ stomānām ṛgvedaṃ vedānāṃ hautraṃ hotrakāṇāṃ vācam indriyāṇām //