—— 请按键盘 空白键 开始游戏 ——

You have to be true to yourself. Strong enough to be true to yourself. Brave enough to be strong enough to be true to yourself. Healthy enough to be brave enough to be strong enough to shape yourself from what you actually are.
True wisdom lies in acknowledging your limitations and striving to transcend them.
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.