—— 请按键盘 空白键 开始游戏 ——

Mathematics is not a careful march down a well-cleared highway, but a journey into a strange wilderness, where the explorers often get lost.
我努力过一种没有遗憾的生活。这是真正自由的唯一途径。
做出伟大工作的唯一途径是热爱你所做的事。
The world is a great song, and we are the singers.
The truth is, the world is so constructed that if you wish to enjoy its fruits, you must submit to its rules.