Mahabharata 1.1.9

कृष्णद्वैपायनप्रोक्ताः सुपुण्या विविधाः कथाःकथिताश्चापि विधिवद्या वैशंपायनेन वै

kṛṣṇadvaipāyanaproktāḥ supuṇyā vividhāḥ kathāḥkathitāścāpi vidhivadyā vaiśaṃpāyanena vai

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