Mahabharata 3.13.119
रामकृष्णौ व्यपाश्रित्य अजेयाः स्म शुचिस्मितेअपि वृत्रहणा युद्धे किं पुनर्धृतराष्ट्रजैः
rāmakṛṣṇau vyapāśritya ajeyāḥ sma śucismiteapi vṛtrahaṇā yuddhe kiṃ punardhṛtarāṣṭrajaiḥ
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book