Mahabharata 2.17.25

तस्यास्तां हंसडिभकावशस्त्रनिधनावुभौमन्त्रे मतिमतां श्रेष्ठौ युद्धशास्त्रविशारदौ

tasyāstāṃ haṃsaḍibhakāvaśastranidhanāvubhaumantre matimatāṃ śreṣṭhau yuddhaśāstraviśāradau

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