—— 请按键盘 空白键 开始游戏 ——

In the world of mathematics, every question leads to another, creating an endless web of knowledge that connects all areas of science.
You will never reach your destination if you stop and throw stones at every dog that barks.
What is the one sentence summary of how you change the world? Always work hard on something uncomfortably exciting!
世人所知道的我,并不是实在的我。