—— 请按键盘 空白键 开始游戏 ——

"世界是一场游戏,而游戏是一个影子。"
In mathematics, you don't understand things. You just get used to them.
The world is full of signs and wonders that come, and go, and if you are lucky you might catch the tail of one as it flies past.
The only person who is educated is the one who has learned how to learn and change.
生活是一个不断学习的过程。