—— 请按键盘 空白键 开始游戏 ——

我们实现明天的唯一限制将是我们今天的怀疑。
"Every saint has a past, and every sinner has a future."
如果学习,不能够做到专心,这样就会变得杂乱无章。
Order and simplification are the first steps toward the mastery of a subject.
The most important property of a program is whether it accomplishes the intention of its user.