Mahabharata 12.139.56

जानतोऽविहितो मार्गो न कार्यो धर्मसंकरःमा स्म धर्मं परित्याक्षीस्त्वं हि धर्मविदुत्तमः

jānato'vihito mārgo na kāryo dharmasaṃkaraḥmā sma dharmaṃ parityākṣīstvaṃ hi dharmaviduttamaḥ

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