Mahabharata 14.18.18
एवं सत्सु सदा पश्येत्तत्र ह्येषा ध्रुवा स्थितिःआचारो धर्ममाचष्टे यस्मिन्सन्तो व्यवस्थिताः
evaṃ satsu sadā paśyettatra hyeṣā dhruvā sthitiḥācāro dharmamācaṣṭe yasminsanto vyavasthitāḥ
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book