Mahabharata 12.263.22

विचार्य कुण्डधारस्तु मानुष्यं चलमध्रुवम्तपसे मतिमाधत्त ब्राह्मणस्य यशस्विनः

vicārya kuṇḍadhārastu mānuṣyaṃ calamadhruvamtapase matimādhatta brāhmaṇasya yaśasvinaḥ

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