Mahabharata 8.63.73
अथाब्रवीत्सूतपुत्रः शल्यमाभाष्य सस्मितम्यदि पार्थो रणे हन्यादद्य मामिह कर्हिचित्किमुत्तरं तदा ते स्यात्सखे सत्यं ब्रवीहि मे
athābravītsūtaputraḥ śalyamābhāṣya sasmitamyadi pārtho raṇe hanyādadya māmiha karhicitkimuttaraṃ tadā te syātsakhe satyaṃ bravīhi me
Our plain-language meaning of this verse is waiting for scholar review.