Mahabharata 7.41.9
अत्यद्भुतमिदं मन्ये बलं शौर्यं च सैन्धवेतदस्य ब्रूहि मे वीर्यं कर्म चाग्र्यं महात्मनः
atyadbhutamidaṃ manye balaṃ śauryaṃ ca saindhavetadasya brūhi me vīryaṃ karma cāgryaṃ mahātmanaḥ
Our plain-language meaning of this verse is waiting for scholar review.