Mahabharata 5.137.2
तं वै विमनसं दृष्ट्वा संप्रेक्ष्यान्योन्यमन्तिकात्पुनरेवोत्तरं वाक्यमुक्तवन्तौ नरर्षभौ
taṃ vai vimanasaṃ dṛṣṭvā saṃprekṣyānyonyamantikātpunarevottaraṃ vākyamuktavantau nararṣabhau
Our plain-language meaning of this verse is waiting for scholar review.