Li Shimin praised Wei Zhi's most classic sentence: Wei Zhi is my mirror. One of his famous sayings is often mentioned: "A husband can take a bronze coat as a mirror; Taking history as a mirror, we can know the rise and fall; Take people as a mirror and you can know the gains and losses. " In fact, this sentence is also from Xun Yue in the Eastern Han Dynasty. When he wrote Shen Jian, he clearly pointed out that a gentleman should have three lessons: "learning from the past, learning from people and learning from mirrors", which is to remind people to take the past as a mirror and people as a mirror. In fact, before him, Han Feizi also said something similar: the eyes of the ancients were shorter than their own, so they looked at their faces with mirrors; Wisdom is shorter than self-knowledge. Therefore, there is no mistake in the mirror and no resentment in the road. Without sight, you can't be right, and without direction, you can't be confused. What he means is that people can't look at themselves with their eyes, but look at themselves with a mirror. At the same time, it is difficult for people to have self-knowledge intellectually, and they have to rely on Tao to repair themselves. "The meaning is clear, because you can't see yourself, so we need to use a mirror. So Han Feizi finally said, "There is nothing wrong in the mirror. The mirror reflects your fault, and of course there is nothing wrong with the mirror. Zhou Wuwang did not compare his minister to a mirror. He reminded himself with a mirror that when he ascended the throne, he specially made a mirror for himself. "Dai Li" said that the mirror was engraved with the words: "When you see your front, you should consider your back." Tell yourself not to patronize the glamorous face, but also to consider longer-term things. So besides Wei Zhi, who else is compared to a mirror? Emperor Taizong also personally rewarded a person with a mirror. According to Lu, Gao Jifu wrote a letter stating the advantages and disadvantages of the emperor. Emperor Taizong appreciated it very much and gave him a stalactite, saying, "If you say you want to cure the disease, I will give you medicine to eat. Then I gave him a mirror to praise his clarity. A talk between Yue Guang and celebrities in the Western Jin Dynasty is recorded in Shi Shuo Xin Yu. Wei listened and appreciated it very much. He asked his children to visit Yue Guang and said, "This man is the mirror of the people. Seeing him is like seeing the sky through the clouds. "This is how high evaluation. Also in Shi Shuo Xin Yu, Xie Shi is regarded as a mirror of the Eastern Jin Dynasty. Xie An and Xie Shi held a remedial class to teach the Book of Filial Piety. Che Yin, who is famous for studying fireflies, is one of the students. This person is probably a bit stubborn and didn't understand much in class. He said to his classmates, "I don't ask, I'm afraid I haven't learned anything wonderful." Please, but I'm afraid it will disturb Xie Jia's brother. " "The classmates said simply that the brothers would not be too tired. Che Yin said, "How do you know?" This classmate named Yuan Yang said a beautiful sentence: "The Mirror Flower Edge never tires of repeating photos, and wants to be afraid of the wind. "-Spiegel how can clear? Will running water be afraid of the wind? Le Guang, Xie An and Xie Shi are all called mirrors. During the Three Kingdoms period, Sima Caode was called Mr. Water Mirror, which was perfect for him. Because of his recommendation, Feng Chu in Wolong came out in succession, and he was as knowledgeable as a water mirror. However, he was tired of taking pictures in this mirror. Later, Cao Cao wanted to appoint him, but he died young and failed to make contributions. At the turn of Qi and Liang Dynasties in the Southern Dynasties, Xiao Yan led troops to attack Jiankang. Wang Zhenguo, the commander of Qi, intentionally surrendered, so he sent a mirror to Xiao Yan. The meaning is self-evident. Xiao Yan was overjoyed and returned a piece of gold. This is not a reward, but an agreement. Later, when Xiao Yan became emperor, he said at dinner with Wang Zhenguo, "I still have your mirror. Where is my gold? " "Wang Zhenguo said gold was there, too, and he didn't dare to throw it away. The subtext is not to betray each other's trust. In Sui Shu, Emperor Wendi of Sui Dynasty also had such trust in Gao Jiong. At that time, someone spoke ill of Gao Jiong to the emperor. Emperor Wendi was very angry and despised all those who said right and wrong. He also comforted Gao Jiong and said, "You are like a bronze mirror, getting brighter and brighter. Zen master Shen Xiu once said a famous poem: "You are like a bodhi tree, and your heart is like a mirror platform. Wipe frequently to avoid dust. "Although this poem is similar to the sixth ancestor Huineng, Bodhi is not a tree, nor is it a mirror. There is nothing in it, so where is the dust? " But this sentence of Huineng is too profound to be told to monks who really jump out of the Three Realms. For us mortals, the human heart is a mirror. When we were born, the heart of an innocent child was like a clear mirror, and the sky was shining, but we gradually forgot to wipe it in the world, and all kinds of desires had already lost their brilliance. So always rub it to make yourself clear. Even if you don't reflect on others, as Zhuangzi said, you can make your heart look like a mirror. Don't send anything you don't like. If you come, you will watch them. If you go, you will not leave them. -is also a kind of free and unfettered.