Bhagavatapurana 9.18.12

9.18.12

yairidaṃ tapasā sṛṣṭaṃ mukhaṃ puṃsaḥ parasya ye /
dhāryate yairiha jyotiḥ śivaḥ panthāḥ pradarśitaḥ //

12. “(We are brahmins) of brahmins who created this by their tapas, who form the very mouth of the Supreme Being, by whom the light of God in the world is kept burning and the auspicious way in the Veda is exhibited;