—— 请按键盘 空白键 开始游戏 ——

思考程序的最好方法是思考它。
The best way to think about a program is to think about it.
The world is full of magical things patiently waiting for our wits to grow sharper.
一个好人生命中最美好的部分:他那些微小、无名、被遗忘的善行和爱。
Mathematics knows no races or geographic boundaries; for mathematics, the cultural world is one country.
Play is the work of childhood.