数学的快乐来自于为理解而奋斗。
The joy of mathematics comes from the struggle to understand.
I think that it's important to take risks in life. You have to be willing to step out of your comfort zone.
简单可以是最强大的东西。
永远不要停止学习——当你认为自己什么都懂的那一刻,就是你落后的开始。
社会系统是个人与个人之间、群体与群体之间关系的网络。
There is only one boss. The customer. And he can fire everybody in the company from the chairman on down, simply by spending his money somewhere else.