Mahabharata 13.148.6

प्रथमं ब्रह्मणः पुत्रं धर्ममाहुर्मनीषिणःधर्मिणः पर्युपासन्ते फलं पक्वमिवाशयः

prathamaṃ brahmaṇaḥ putraṃ dharmamāhurmanīṣiṇaḥdharmiṇaḥ paryupāsante phalaṃ pakvamivāśayaḥ

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