—— 请按键盘 空白键 开始游戏 ——

Don't let anyone tell you that you can't do something.
The mathematician does not study pure mathematics because it is useful; he studies it because he delights in it and he delights in it because it is beautiful.
软件一直处于紧张状态。具有象征意义是任意完美的。但它也可以任意更改。