Mahabharata 12.192.56

अथैवं वदतो मेऽद्य वचनं न करिष्यसिमहानधर्मो भविता तव राजन्मृषाकृतः

athaivaṃ vadato me'dya vacanaṃ na kariṣyasimahānadharmo bhavitā tava rājanmṛṣākṛtaḥ

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