Mahabharata 8.28.62

सततं च तदश्रौषीर्वचनं द्रोणभीष्मयोःअवध्यौ वदतोः कृष्णौ संनिधौ वै महीक्षिताम्

satataṃ ca tadaśrauṣīrvacanaṃ droṇabhīṣmayoḥavadhyau vadatoḥ kṛṣṇau saṃnidhau vai mahīkṣitām

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