Success is not about fame and money. It's about happiness and fulfillment.

There is no such thing as a quality problem. There are only problems, and the solutions to those problems may involve quality considerations.

We must build a world in which there shall be no economic domination, no exploitation, no unemployment, and no war.

Leadership means making tough decisions today for a better tomorrow.

数学教会我们逻辑思考并系统地处理问题。