Mahabharata 3.245.26

युधिष्ठिर उवाच · yudhiṣṭhira uvāca

भगवन्दानधर्माणां तपसो वा महामुनेकिं स्विद्बहुगुणं प्रेत्य किं वा दुष्करमुच्यते

bhagavandānadharmāṇāṃ tapaso vā mahāmunekiṃ svidbahuguṇaṃ pretya kiṃ vā duṣkaramucyate

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