Mahabharata 12.73.17

राजा चरति यं धर्मं ब्राह्मणेन निदर्शितम्शुश्रूषुरनहंवादी क्षत्रधर्मव्रते स्थितः

rājā carati yaṃ dharmaṃ brāhmaṇena nidarśitamśuśrūṣuranahaṃvādī kṣatradharmavrate sthitaḥ

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