Brahma Purana 239.6

Brahmapurāṇa 239.6

svapakṣe kāraṇaṃ grāhyaṃ samarthaṃ vacanaṃ hitam
śiṣṭānāṃ hi mataṃ grāhyaṃ bhavadbhiḥ śiṣṭasaṃmataiḥ //