Mahabharata 9.1.6
स समाश्वास्यमानोऽपि हेतुभिः शास्त्रनिश्चितैःराजभिर्नालभच्छर्म सूतपुत्रवधं स्मरन्
sa samāśvāsyamāno'pi hetubhiḥ śāstraniścitaiḥrājabhirnālabhaccharma sūtaputravadhaṃ smaran
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book