Verses on Sāṃkhya 6.4

6.4

āgamo hy āptavacanam āptaṃ doṣakṣayād viduḥ /
kṣīṇadoṣo 'nṛtaṃ vākyaṃ na brūyād dhetvasambhavāt //

"Authoritative tradition is indeed authoritative speech; they consider someone authoritative because of the destruction of flaws. / One whose flaws have dwindled would not speak an untruthful sentence, because of the absence of a motive.