Mahabharata 12.19.9

तपस्त्यागो विधिरिति निश्चयस्तात धीमताम्परं परं ज्याय एषां सैषा नैःश्रेयसी गतिः

tapastyāgo vidhiriti niścayastāta dhīmatāmparaṃ paraṃ jyāya eṣāṃ saiṣā naiḥśreyasī gatiḥ

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