Mahabharata 7.165.31

एकस्यार्थे बहून्हत्वा पुत्रस्याधर्मविद्यथास्वकर्मस्थान्विकर्मस्थो न व्यपत्रपसे कथम्

ekasyārthe bahūnhatvā putrasyādharmavidyathāsvakarmasthānvikarmastho na vyapatrapase katham

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