The problem of quality management is not what people don't know about it. The problem is what they think they do know.
Sometimes you have to lose yourself before you can find anything.
Every building is a kind of confession.
革命道德不是从天上掉下来的。它是在日常斗争中培养，在革命活动中锤炼的。
The more you learn, the more you realize how little you know.
