Mahabharata 5.157.10

यत्तदुक्तं महद्वाक्यं कर्मणा तद्विभाव्यताम्अकर्मणा कत्थितेन सन्तः कुपुरुषं विदुः

yattaduktaṃ mahadvākyaṃ karmaṇā tadvibhāvyatāmakarmaṇā katthitena santaḥ kupuruṣaṃ viduḥ

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