—— 请按键盘 空白键 开始游戏 ——

Functions delay binding; data structures induce binding. Moral: Structure data late in the programming process.
The aura given out by a person or object is as much a part of them as their flesh.
在这里,没有人的知识能超越他的经验。
You can't wait for others to arrange your life; what you want, you must strive for yourself.
Mathematics is a language that allows us to describe the indescribable.