BĀU, 6, 1, 8.3 te hocuḥ yathā kalā avadanto vācā prāṇantaḥ prāṇena paśyantaś cakṣuṣā śṛṇvantaḥ śrotreṇa vidvāṃso manasā prajāyamānā retasaivam ajīviṣmeti /