The most important skill in mathematics is the ability to ask the right questions.

文字的力量可以改变世界。

人的欲望和其他激情，本质上是受到他自己控制的；他真正的困难在于，要知道何时需要加以控制，何时不需要。

User needs are both the starting point and the end point of business.

"I'm a diamond in the rough, shining like a piece of gold."

胜利并不总是衡量进步的标准。