凡是大国之所以不攻打小国的,必定是由于这个小国粮食充足,城郭修筑坚固,上下和谐一心。
The general population doesn't know what's happening, and it doesn't even know that it doesn't know.
普通大众不知道正在发生什么，甚至不知道他们不知道。