Mahabharata 13.140.16

आदित्याः सत्रमासन्त सरो वै मानसं प्रतिवसिष्ठं मनसा गत्वा श्रुत्वा तत्रास्य गोचरम्

ādityāḥ satramāsanta saro vai mānasaṃ prativasiṣṭhaṃ manasā gatvā śrutvā tatrāsya gocaram

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