Mahabharata 12.128.25

आपद्गतेन धर्माणामन्यायेनोपजीवनम्अपि ह्येतद्ब्राह्मणेषु दृष्टं वृत्तिपरिक्षये

āpadgatena dharmāṇāmanyāyenopajīvanamapi hyetadbrāhmaṇeṣu dṛṣṭaṃ vṛttiparikṣaye

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