Mahabharata 12.293.27

यस्तु संसत्सु कथयेद्ग्रन्थार्थं स्थूलबुद्धिमान्स कथं मन्दविज्ञानो ग्रन्थं वक्ष्यति निर्णयात्

yastu saṃsatsu kathayedgranthārthaṃ sthūlabuddhimānsa kathaṃ mandavijñāno granthaṃ vakṣyati nirṇayāt

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