弃书捐剑

Explanation: Metaphor mind big ambitions who disdains small. 　　Source: "Historical Records Xiang Yu Ji" Xiang Ji came from, not a science book, to learn the sword, and not a. Xiàng Liáng anger. Membership, saying 'the book enough to remember canning it, the sword a man who, less than science, people learn the enemy. 'So Xiàng Liáng art of war is to teach citizenship. "