Shatapatha Brahmana 14.3.1.19

14.3.1.19

apa dveṣo apa hvara iti nātra tirohitamivāstyanyavratasya saścimetyanyadvā etasya vratamanyanmanuṣyāṇāṃ tasmādāhānyavratasya saścimetyevamitarau prāñcau tattrivṛttrivṛddhīdaṃ śiraḥ

--'from the hatred, from the guile,'--in this there is nothing hidden, so to speak;--'of him of another law, let us free ourselves!'--another law, indeed, is his (Pravargya's and the Sun's), and another that of men: therefore he says, 'Of him of another law, let us free ourselves.' In this way the other two (pots are placed) east of it: this is threefold, for the head is threefold.