Shatapatha Brahmana 9.5.1.12

9.5.1.12

athātaḥ samiṣṭayajuṣāmeva mīmāṃsā | devāścāsurāścobhaye prājāpatyāḥ prajāpateḥ piturdāyamupeyurvācameva satyānṛte satyaṃ caivānṛtaṃ ca ta ubhaya eva satyamavadannubhaye 'nṛtaṃ te ha sadṛśaṃ vadantaḥ sadṛśā evāsuḥ

Now, then, the discussion of the Samishtayagus (oblations): The gods and the Asuras, both of them sprung from Pragâpati, entered upon their father Pragâpati's inheritance, to wit, speech--truth and untruth, both truth and untruth: they, both of them, spake the truth, and they both spake untruth; and, indeed, speaking alike, they were alike.