Śatapatha Brāhmaṇa ("of a hundred paths") 3.6.1.24

3.6.1.24

pari tvā girvaṇo gira imā bhavantu viśvataḥ | vṛddhāyumanu vṛddhayo juṣṭā bhavantu juṣṭaya itīndro vai girvā viśo giro viśvevaitatkṣatram paribṛṃhati tadidaṃ kṣatramubhayato viśā paribṛḍham

They enclose it, with the text (Vâg. S. V, 29; Rig-veda I, 10, 12), 'May these songs encompass thee on every side, O thou that delightest in songs! May these favours be favourably received by thee, invigorating the vigorous!' He that delights in songs, forsooth, is Indra, and songs mean the people: he thus surrounds the nobility with the people, and therefore the nobility is here surrounded on both sides by the people.