When three people are walking together, who must be my teacher? This sentence comes from "The Analects of Confucius". The superficial meaning is: three people walking together, one of them must be able to come. Be my teacher in some aspect. In other words, there must be something I can learn from other people, and everyone can be my teacher in some aspect.

There is also the second half of this sentence, which together means: "When three people walk together, there must be a teacher from me; choose the good ones and follow them, and change the bad ones." That is to say, Confucius believed that everyone has aspects that we can learn from. We should choose their strengths to learn from, and reflect on ourselves when we see their shortcomings. If there are any, we can change them. If there are not, we can use them to remind ourselves, so that we can continuously improve ourselves. , alert yourself and make yourself better. This shows the humility advocated by Confucius, the good qualities of being good at learning from others and reflecting on one's own. ?I will examine myself three times a day? This is what it means.

The Analects of Confucius is a record of the daily words and deeds between Confucius and his disciples. It was compiled by Confucius's disciples and his disciples. It is one of the representative works used to spread Confucian thought. This book not only expresses Confucius's political opinions, governance concepts and other grand thoughts, but also includes many concepts and advocacy of morality and education in Confucianism. Confucius advocated "benevolence", "propriety and righteousness", "docility", and emphasized "peace is the most precious".

The Analects of Confucius also records many dialogues expressing similar meanings, such as: "When you see the virtuous, you think about them together, and when you see the virtuous, you reflect inwardly." The meaning of this sentence is: when we see a virtuous person, we should learn the good parts of him; when we see a not-so-good person, we should avoid the bad parts of him to remind ourselves and conduct introspection. This is also consistent with the previous sentence, which is to constantly learn good things from others and reflect on bad things. Only in this way can you ensure that you don't make the same mistakes, and that you can make yourself better and better, and become as good a talent as other sages.