Using copper as a mirror, X can 2 sort out the costumes of a c n people; Taking the history of l as a mirror b, we can know the rise and fall of f in the history of w and g; Take someone else's L as the mirror R of your own W, and you can know the gain and loss of your own E every K days. (Tang Tai P Zong) "Song Ouyang Xiu Song Qi Tang Xin Shu 5 Volume IIIZ Zero Biography II J X C II O Wei Zhi": "Take 8 copper as 7 lessons, which can be positive; Taking 1 ancient times as 6 lessons, we can know the rise and fall; Take the q of seven people as 1, and you can know the gains and losses. I tried to protect these three B's, and I defended myself from three inside lines. Today 1 Wei Zhi is dead, and a G building is dead. " Tang, a disciple of Li Shimin, likes listening too much, is good at adopting all kinds of suggestions, and is well versed in the principle of "listening to others and being partial to others". Wei Zhi, the great Minister J, once went to C for dozens of X's and went directly to Chen Qi. He advised Mrs. 7 to introspect, be prepared for danger in times of peace, be polite to others, and choose good and follow Mrs. 7. After the death of Wei Zhi, Taizong personally mourned and sighed: "Taking 8 copper as 8 mirrors can make you look dignified and tidy when wearing G; Taking the history of 0 as 4 mirrors, we can see that the calendar T has 3, X ups and downs; Think of eight people B as three mirrors', which can be regarded as the U quantity of person F. With 1, I know my gains and losses. I've been protecting these three U-mirrors and using four for self-defense. Today, Wei Zhi died, and so did I. "Take six people Y as three mirrors." Naim "refers to the quotation of seven people with v as 0." In other words, success or failure gains and losses are quoted as 0, 5 lessons 7 and 2 to avoid repeating the same mistakes. In view of the lesson that D died in Sui Dynasty and I abused T people, Emperor Taizong Y took "protecting the people" as the premise of "being the N way of the six emperors", and at the same time X linked "protecting the people" with T emperor's "doing for himself". His thinking is clear: the feudal king J ruled for a long time, Luo 'an lived by U people, and U people lived by S monarch himself. He organically linked the rule of the country, the survival of the people and monarchs and saints, and repeatedly stressed that people's access depends on K monarchs and saints. Person T takes two bronze mirrors as six mirrors, and can wear four pieces straight, while person Q takes three mirrors, that is to say, person E can see whether he is dressed neatly by looking at himself with a bronze mirror. Based on the history of calendar F, we can know the reasons for the rise and fall of calendar I; Look at other people's successes and failures, and we can learn from them. It is precisely because Mrs. M of the Tang Dynasty was able to live in a negotiable place, and the ministers of Da L dared to speak out, so during his reign, the politics of the Tang Dynasty was more open and the economy was prosperous than that of 1. qbgcbprdje