质量不是一个部门，而是一种生活方式。

The best solutions often come from listening to those who work the land.

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

真正的天堂是我们已经失去的天堂。

Market failures are often not failures of markets, but failures of market design.

释义：谦虚的君子，即使处于卑微的地位，也能以谦虚的态度自我约束，而不因为位卑，就在品德方面放松修养。现常用“卑以自牧”表示以谦卑自守，以谦卑的态度修养自心。