Mahabharata 3.149.39

निग्रहानुग्रहैः सम्यग्यदा राजा प्रवर्ततेतदा भवति लोकस्य मर्यादा सुव्यवस्थिता

nigrahānugrahaiḥ samyagyadā rājā pravartatetadā bhavati lokasya maryādā suvyavasthitā

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