Mahabharata 3.164.22
भूयश्चैव तु तप्तव्यं तपः परमदारुणम्उवाच भगवान्सर्वं तपसश्चोपपादनम्
bhūyaścaiva tu taptavyaṃ tapaḥ paramadāruṇamuvāca bhagavānsarvaṃ tapasaścopapādanam
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book