Shatapatha Brahmana 14.1.4.15

14.1.4.15

pitā no'si pitā no bodhīti eṣa vai pitā ya eṣa tapatyeṣa u pravargyastadetamevaitatprīṇāti tasmādāha pitā no'si pitā no bodhīti namaste astu mā mā hiṃsīrityāśiṣamevaitadāśāste

[Vâg. S. XXXVII, 20,] 'Thou art our father: be thou our father!'--for he who shines yonder is indeed the father, and the Pravargya is that (sun): it is him he thus gratifies, and therefore he says, 'Thou art our father: be thou our father!'--'Reverence be unto thee: injure me not!'--it is a blessing he thereby invokes.