—— 请按键盘 空白键 开始游戏 ——

The process of mathematical discovery is not about reaching a destination, but about the journey itself.
A man is a success if he gets up in the morning and gets to bed at night, and in between he does what he wants to do.
最好的领导者是那些先倾听、学习,然后再领导的人。
我们必须挑战现状,寻找更好的做事方法。