Mahabharata 5.10.10

विष्णुरुवाचअवश्यं करणीयं मे भवतां हितमुत्तमम्तस्मादुपायं वक्ष्यामि यथासौ न भविष्यति

viṣṇuruvācaavaśyaṃ karaṇīyaṃ me bhavatāṃ hitamuttamamtasmādupāyaṃ vakṣyāmi yathāsau na bhaviṣyati

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