Anagram is a linguistic and cultural phenomenon unique to Chinese characters, the earliest anagram appeared around the time of the Han and Wei dynasties, and the Wenxin Carved Dragon Hidden Chapter records that: "Since the Wei Dynasty, it is quite not haiyou, and the gentleman mocks and hides, turning into riddles." "During the Tang, Song, Yuanming, and Ming dynasties, puzzle making and guessing were very popular.
In history, the anagram can serve politics, diplomacy, and military service, and the anagram is also a gale among the literati, and it is well known that there was a literal prison in ancient times, but the people can vent their dissatisfaction through the obscure expression of the anagram, in ancient times, there was a minister who wrote the word "Green Goose" by Wu Hou to raid the house, hundreds of officials doubted, Wu Zetian: take the word apart to see!
This chancellor was Pei Yan, born in He Dong's Pei Clan Xian Ma Fang, when he was young, he studied at the Hongwenguan, studied hard for ten years, participated in the imperial examination, the Ming Jing and the first, embarked on the career path, and in the second year of the transfer (680), Pei Yan was promoted to the position of Yellow Gate Attendant, and was awarded the Title of Tong zhongshu men under the three pins, becoming the prime minister.
Emperor Gaozong of Tang admired Pei Yan quite much, and in the first year of Yongchun (682), Emperor Gaozong of Tang went to the eastern capital Luoyang, where he left Pei Yan in Chang'an and assisted the crown prince Li Xian, and the following year, Emperor Gaozong of Tang became seriously ill, and Pei Yan became Li Zhi's chancellor.
In the same year, the crown prince Li Xian took the throne, for Tang Zhongzong, the empress dowager Wu Zetian Linchao system, in 684, Tang Zhongzong wanted to seal his father-in-law Wei Xuanzhen as a servant, and said: "I just give the country to Wei Xuanzhen, it doesn't matter, let alone a mere servant", Pei Yan was quite frightened, originally Tang Zhongzong sealed Wei Xuanzhen as a servant, he strongly opposed, how can Li Tang change hands?
Pei Yan then reported the matter to Wu Zetian, Tang Zhongzong was deposed, Yu Wang Li Dan ascended the throne as emperor, for Tang Ruizong, but the real power was in the hands of Wu Zetian, Wu Zetian gradually gained power, Wu Zetian's nephew Wu Chengsi requested the establishment of the Seven Temples of wushi, posthumously crowned the ancestor as king, Pei Yan heard about it and rushed to consult, with the lesson of Lü's defeat to persuade Wu hou, which made Wu Zetian very unhappy.
Seeing that Li Tang was about to change hands again, and Li Tangzong was killed by Empress Wu, Pei Yan planned to take advantage of Wu Zetian's trip to Longmen and hold Wu hou hostage by force to force her to return power to Tang Ruizong, but because it was rainy for several days, Wu Zetian had no choice but to cancel the plan of travel, and Pei Yan's plan failed.
In September of the first year of Guan's reign (684), the English duke Xu Jingye raised an army in Yangzhou against Wu Zetian, Pei Yan took this opportunity to persuade Wu Hou to return the government to the emperor, Wu Zetian's dissatisfaction with Pei Yan rose a lot, and in the Tang Dynasty notes, Pei Yan had colluded with Xu Jingye and planned to cooperate with the outside world.
However, Pei Yan's letter to Xu Jingye was intercepted, and in the hands of Wu Zetian, there were only two words in the letter, "Green Goose", but it was deciphered by Wu Zetian, Pei Yan was imprisoned for plotting against Xu Jingye, and was eventually executed, for which the courtiers and officials were very puzzled, Wu Zetian explained: "The word 'Qing' can be split into 'December', and the word 'goose' is split into 'I am self-contained', that is to say, Pei Yan intends to be in the city in December as Xu Jingye's internal response." ”