—— 请按键盘 空白键 开始游戏 ——

大多数人发现他们从未后悔的事情只是他们的错误,但发现时已经太晚了。
The Lisp language is designed to be extensible, and it is easy to add new features to it.
The weight of evidence for an extraordinary claim must be proportioned to its strangeness.