If you make a mistake and do not correct it, this is called a mistake.
Study as though you cannot catch up to it, and as though you fear you are going to lose it.
Teachers open the door ... you enter by yourself.
He who knows all the answers has not been asked all the questions.
There is good government when those who are near are made happy, and when those who are afar are attracted.
If you lead the people with correctness, who will dare not be correct?