Mahabharata 12.137.95
अधर्मज्ञस्य विलयं प्रजा गच्छन्त्यनिग्रहात्राजा मूलं त्रिवर्गस्य अप्रमत्तोऽनुपालयन्
adharmajñasya vilayaṃ prajā gacchantyanigrahātrājā mūlaṃ trivargasya apramatto'nupālayan
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book