Verse 9

चक्रयुद्धैकतज्ज्ञोऽसि कस्माज्जानासि नानघ ।चक्रं नाभाववष्टब्धं वशमायाति नान्यथा

In plain words

You alone are skilled in wheel-warfare — why then, sinless one, do you not know this: a wheel comes under control only when it is gripped at the hub, and not otherwise?