Śatapatha Brāhmaṇa ("of a hundred paths") 6.8.2.8

6.8.2.8

apādāya bhasmanaḥ pratyetya | ukhāyāmopyopatiṣṭhata etadvā etadayathāyathaṃ karoti yadagnimapo 'bhyavaharati tasmā evaitannihnute 'hiṃsāyā āgneyībhyāmagnaya evaitannihnute buddhavatībhyāṃ yathaivāsyaitadagnirvaco nibodhet

Having taken some of the ashes, and returned, he throws it into the fire-pan, and stands by (the fire) worshipping it; for when he throws Agni into the water he does what is improper; he now makes amends to him so that he may not injure him. With two (verses) relating to Agni (he worships),--for it is to Agni that he makes amends,--and with such as contain (the verb) 'budh' (to attend to, awake), in order that Agni may attend to this speech of his.