Mahabharata 9.17.24

अन्योन्यं परिरक्षामो यत्नेन महता नृपएवं सर्वेऽनुसंचिन्त्य प्रययुर्यत्र सैनिकाः

anyonyaṃ parirakṣāmo yatnena mahatā nṛpaevaṃ sarve'nusaṃcintya prayayuryatra sainikāḥ

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