It means to make mistakes but not correct them. This is the real mistake, and it means to persuade people to make corrections.
This sentence comes from "The Analects of Confucius: Wei Linggong". It is an eight-character idiom and is often used to advise others to correct their mistakes. The first "guo" is a verb, which means to make a mistake; the second "guo" is a noun, which means to make a mistake.
This sentence tells us that it is not terrible to make mistakes, but we must actively correct them after making them, revealing the important meaning of "making mistakes can be corrected". Everyone in this world makes mistakes, it is a common and normal phenomenon. Confucius attached great importance to correction and talked about this issue many times.
Main content
One chapter of "The Analects of Confucius·Wei Linggong" contains forty-two chapters. In this chapter, the content mainly involves Confucius's views on "gentlemen and villains", education and politics. The reason why it is called "The Duke of Wei Linggong" is because the first chapter of this chapter is based on the dialogue between Duke Linggong of Wei and Confucius.
The Analects of Confucius involves many aspects such as philosophy, politics, economics, education, literature and art, etc. It is very rich in content and is the most important classic of Confucianism. In terms of expression, the language of "The Analects" is concise and vivid, making it a model of quotation-style prose.