Mahabharata 12.84.20
परीक्षितगुणान्नित्यं प्रौढभावान्धुरंधरान्पञ्चोपधाव्यतीतांश्च कुर्याद्राजार्थकारिणः
parīkṣitaguṇānnityaṃ prauḍhabhāvāndhuraṃdharānpañcopadhāvyatītāṃśca kuryādrājārthakāriṇaḥ
Our plain-language meaning of this verse is waiting for scholar review.