—— 请按键盘 空白键 开始游戏 ——

Every problem in mathematics is a puzzle waiting to be solved, and the joy is in the solving.
我们靠获得的东西生存。但我们靠给予的东西生活。
The language of mathematics is universal, transcending cultural and linguistic barriers.
The individual is not accountable to society for his actions in so far as these concern the interests of no person but himself.
The only thing that matters is what we do on the court.
有时最重要的实验是那些失败的实验,因为它们教会我们什么是行不通的。