Mahabharata 13.130.4

महेश्वर उवाच · maheśvara uvāca

वानप्रस्थेषु यो धर्मस्तं मे शृणु समाहिताश्रुत्वा चैकमना देवि धर्मबुद्धिपरा भव

vānaprastheṣu yo dharmastaṃ me śṛṇu samāhitāśrutvā caikamanā devi dharmabuddhiparā bhava

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