—— 请按键盘 空白键 开始游戏 ——

程序最重要的属性是它是否实现了用户的意图。
The most important property of a program is whether it accomplishes the intention of its user.
求学的最大益处,在于自我改变气质。
The reasonable man adapts himself to the world; the unreasonable one persists in trying to adapt the world to himself. Therefore all progress depends on the unreasonable man. )