ChU, 2, 11, 1.6 etad gāyatraṃ prāṇeṣu protam //

ChU, 2, 11, 2.1 sa ya evam etad gāyatraṃ prāṇeṣu protaṃ veda /

ChU, 5, 24, 3.1 tad yatheṣīkātūlam agnau protaṃ pradūyetaivaṃ hāsya sarve pāpmānaḥ pradūyante ya etad evaṃ vidvān agnihotraṃ juhoti //