Mahabharata 12.133.18

यो ब्राह्मणान्परिभवेद्विनाशं वापि रोचयेत्सूर्योदय इवावश्यं ध्रुवं तस्य पराभवः

yo brāhmaṇānparibhavedvināśaṃ vāpi rocayetsūryodaya ivāvaśyaṃ dhruvaṃ tasya parābhavaḥ

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