Mahabharata 12.309.62

गता द्विरष्टवर्षता ध्रुवोऽसि पञ्चविंशकःकुरुष्व धर्मसंचयं वयो हि तेऽतिवर्तते

gatā dviraṣṭavarṣatā dhruvo'si pañcaviṃśakaḥkuruṣva dharmasaṃcayaṃ vayo hi te'tivartate

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