—— 请按键盘 空白键 开始游戏 ——

在某种意义上,生活中的最重大和最重要问题都是无法解决的。我们无法解决它们,只能在成长中超越它们。
Mathematics is not a spectator sport.
梦想启动,坚持到底就是胜利。
The most dangerous risk of all is not taking one.
You have to be comfortable with being uncomfortable if you want to make progress in mathematics.