—— 请按键盘 空白键 开始游戏 ——

The beauty of mathematics is that it is one of the few areas of human endeavor where absolute truth can be known.
不要过于自信,要始终保持对未知事物的敬畏。
I'm not afraid to fall in love, I'm just afraid of falling for the wrong person.
没有什么比不快乐更有趣了。