Mahabharata 13.49.8
एको द्विवर्ण एवाथ तथात्रैवोपलक्षितःषडपध्वंसजास्ते हि तथैवापसदाञ्शृणु
eko dvivarṇa evātha tathātraivopalakṣitaḥṣaḍapadhvaṃsajāste hi tathaivāpasadāñśṛṇu
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book