Mahabharata 13.29.4

मतङ्ग परमं स्थानं वार्यमाणो मया सकृत्चिकीर्षस्येव तपसा सर्वथा न भविष्यसि

mataṅga paramaṃ sthānaṃ vāryamāṇo mayā sakṛtcikīrṣasyeva tapasā sarvathā na bhaviṣyasi

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