Mahabharata 15.6.3

अहोऽस्मि वञ्चितो मूढो भवता गूढबुद्धिनाविश्वासयित्वा पूर्वं मां यदिदं दुःखमश्नुथाः

aho'smi vañcito mūḍho bhavatā gūḍhabuddhināviśvāsayitvā pūrvaṃ māṃ yadidaṃ duḥkhamaśnuthāḥ

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