Mahabharata 1.55.13

तेषां तु विप्रकारेषु तेषु तेषु महामतिःमोक्षणे प्रतिघाते च विदुरोऽवहितोऽभवत्

teṣāṃ tu viprakāreṣu teṣu teṣu mahāmatiḥmokṣaṇe pratighāte ca viduro'vahito'bhavat

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