Mahabharata 7.78.13

न शक्यमेतत्कवचं बाणैर्भेत्तुं कथंचनअपि वज्रेण गोविन्द स्वयं मघवता युधि

na śakyametatkavacaṃ bāṇairbhettuṃ kathaṃcanaapi vajreṇa govinda svayaṃ maghavatā yudhi

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