Mahabharata 13.23.5

युधिष्ठिर उवाच · yudhiṣṭhira uvāca

न ब्राह्मणं परीक्षेत दैवेषु सततं नरःकव्यप्रदाने तु बुधाः परीक्ष्यं ब्राह्मणं विदुः

na brāhmaṇaṃ parīkṣeta daiveṣu satataṃ naraḥkavyapradāne tu budhāḥ parīkṣyaṃ brāhmaṇaṃ viduḥ

Our plain-language meaning of this verse is waiting for scholar review.