—— 请按键盘 空白键 开始游戏 ——

I’m not trying to be mysterious. I just don’t like talking about myself.
Technology is just a tool. In terms of getting the kids working together and motivating them, the teacher is most important.
如果你想读一本书,但它还没有被写出来,那么你必须写出来。
The spaces between buildings are as important as the buildings themselves.
I am not a hero of mathematics. I'm not even that successful; that is why I don't want to have everybody looking at me.
Simplicity is the ultimate sophistication.