Mahabharata 12.139.70

श्वपच उवाच · śvapaca uvāca

असता यत्समाचीर्णं न स धर्मः सनातनःनावृत्तमनुकार्यं वै मा छलेनानृतं कृथाः

asatā yatsamācīrṇaṃ na sa dharmaḥ sanātanaḥnāvṛttamanukāryaṃ vai mā chalenānṛtaṃ kṛthāḥ

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