—— 请按键盘 空白键 开始游戏 ——

The process of mathematical discovery is not about reaching a destination, but about the journey itself.
The power of mathematics lies in its ability to abstract and generalize.
安全不仅仅是一项政策,它是一种从高层开始的文化。
I never think about the past. I always look forward to the next challenge.