—— 请按键盘 空白键 开始游戏 ——

The spread of liberal democracy around the world is not inevitable, but it is the most likely outcome given the alternatives.
In mathematics, the journey from question to answer is often more enlightening than the answer itself.
"The best way to learn is to do it, to make mistakes, and to learn from them."
在任何情况下都要寻找积极的一面。总有一些值得感激的事情。