—— 请按键盘 空白键 开始游戏 ——

时间是一个从我们感知变化的方式中衍生出来的概念。
计算机是一种表达媒介,就像钢琴是一种表达媒介一样。
The best mathematics is not just rigorous; it is also elegant.
Men fear death as children fear to go in the dark; and as that natural fear in children is increased with tales, so is the other.