Mahabharata 5.146.13

ब्रवीम्यहं न कार्पण्यान्नार्थहेतोः कथंचनभीष्मेण दत्तमश्नामि न त्वया राजसत्तम

bravīmyahaṃ na kārpaṇyānnārthahetoḥ kathaṃcanabhīṣmeṇa dattamaśnāmi na tvayā rājasattama

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