Mahabharata 3.244.9

तांस्तथेत्यब्रवीद्राजा सर्वभूतहिते रतःतथ्यं भवन्तो ब्रुवते करिष्यामि च तत्तथा

tāṃstathetyabravīdrājā sarvabhūtahite rataḥtathyaṃ bhavanto bruvate kariṣyāmi ca tattathā

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