Mahabharata 13.2.77

स्वरेण विप्रः शैक्षेण त्रीँल्लोकाननुनादयन्उवाच चैनं धर्मज्ञं पूर्वमामन्त्र्य नामतः

svareṇa vipraḥ śaikṣeṇa trīm̐llokānanunādayanuvāca cainaṃ dharmajñaṃ pūrvamāmantrya nāmataḥ

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