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质量管理的问题不在于人们不知道它。问题在于他们认为自己知道。
The problem of quality management is not what people don't know about it. The problem is what they think they do know.
Chaos is merely order waiting to be deciphered.
All I know is that I don't know nothing.
Every book is a journey the writer takes alone first.
事实上,我不知道如果没有数学我会做什么。