Mahabharata 14.55.26

यद्दुर्लभं हि लोकेऽस्मिन्रत्नमत्यद्भुतं भवेत्तदानयेयं तपसा न हि मेऽत्रास्ति संशयः

yaddurlabhaṃ hi loke'sminratnamatyadbhutaṃ bhavettadānayeyaṃ tapasā na hi me'trāsti saṃśayaḥ

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