It is better to destroy one's own mistakes than those of others.
解释:治理河道,要用疏导的办法使其通畅;治理百姓,要引导百姓使其敢言。
The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge.
The key to progress is persistence and curiosity.
What can be said at all can be said clearly, and what we cannot talk about we must pass over in silence.