质量管理的问题不是人们不知道它。问题是他们认为自己知道。
The problem of quality management is not what people don't know about it. The problem is what they think they do know.
做数学就是同时参与创造和发现的行为。
"The greatest thing in style is to have a command of metaphor."
家不仅仅是一个地方;它是一种感觉,一种归属感。