Tang Taizong has a poem "Gift to Xiao Yu":
Swift Wind Knows The Grass,
Ban Dang zhi Chengchen.
Yongfu An Zhiyi,
The wise will be merciful.
Xiao Yu was born in the family of the Later Liang Emperors, was the younger brother of the Sui Emperor Xiao Empress, was a man of integrity and integrity, bright and upright, and was successively entrusted with important tasks by the Sui Emperor, Tang Taizu, and Tang Taizong.
At the beginning of the Tang Dynasty, there were many wise people like Xiao Yu, such as Huai Ren, who was a poet like Xiao Yu, such as Yu Shinan, who composed the poem "Cicada" and was praised by Tang Taizong as "a person who is both five masters and has supernatural talents"; and Wei Zheng, who was called "a mirror" by Tang Taizong and "can see what is gained and lost".

In the last years of the Sui Dynasty, the world was in chaos and heroes were born, and Wei Zheng initially served under Li Mi of the Wagang Army. Wei Zheng had offered Li Mi ten strategies for strengthening Wagang, but unfortunately Li Mi did not use them. After the defeat of the Wagang army, Wei Zheng followed Li Mi to Li Yuan, the emperor of Tang Gaozu, and was treated with courtesy and reused by Li Yuan. In order to repay Li Yuan's kindness, Wei Zheng volunteered to surrender Li Mi's old department and composed poems.
Shu Huai
The Central Plains initially chased deer, and threw pens and deeds rongxuan.
The longitudinal plan is not enough, but the generosity is still there.
The staff commanded the Son of Heaven and drove the horse out of the gate.
Please tie the South Vietnamese and go down to the Eastern Domain.
Lush and tall, out of the plains.
Ancient wood singing birds, empty mountains cry night apes.
It hurts thousands of eyes, but also shocks the souls of nine people.
Isn't it difficult? Deeply cherished by guoshi.
Ji Bu promised no two promises, Hou Wei said heavily.
Life is emotional, and the name of the merit is repeated.
"The Central Plains first chased deer, and threw pens into Rongxuan." The first sentence of "The First Deer Chasing in the Central Plains" comes from the "Chronicle of the Marquis of Huaiyin": "Qin lost its deer, and the world expelled it." Descendants often refer to the struggle for power by "chasing deer". In the second sentence, "Throwing Pen" tells the story of the Eastern Han Dynasty Ban Chao abandoning wen to join the army, attacking the Xiongnu, and sending an envoy to the Western Regions. The meaning of these two poems is: If there is turmoil today and the crowds are vying for power, as a boy, I must throw my pen into the pen and make a contribution on the battlefield.
The "vertical and horizontal" in "Longitudinal and horizontal calculations are not enough, and generosity still exists" refers to the "combination of vertical and horizontal" and "continuous horizontal" strategies proposed by the Warring States strategists Su Qin and Zhang Yi. Wei Zheng used these two poems to express his heart to Li Yuan, the founding emperor of the Tang Dynasty: I once offered the old lord Li Mijin a plan to cross the line, but unfortunately he did not adopt it, and as a result, he was defeated by Wang Shichong. Now that I have turned to you, the pride and ambition in my heart are still very passionate, and I am willing to contribute to you.
"The staff advises the heavenly son and drives the horse out of the gate" means that my current plan has been adopted, and after bidding farewell to the emperor, I will quickly step up my horse and whip and go out of Tongguan to appease Li Mi's old department, and these two sentences combined with the first four sentences show the heroism of the poet in the magnificent era, not afraid of turbulence and turmoil, and dare to challenge difficulties and obstacles.
"Please tie the South Vietnamese, and rely on the Shixia Eastern Domain" both sentences are used in the dictionary, "Please tie the South Vietnamese" from the "Book of Han and the Biography of the Final Army", "South Vietnam and Han peace, but sent the army to South Vietnam, said its king, want to order into the dynasty, than the princes of Binei." The army asked itself: 'May you be subjected to the long wisp, and you will be bound to the king of South Vietnam. "Pingshi" refers to the story of Li Shi in the early years of the Western Han Dynasty who was ordered by Liu Bang, the emperor of Gaozu, to drive and lobby, so that Qi Wang Tian Guang surrendered to Han. Borrowing the stories of the ancients, the poet once again expressed the confidence of persuading Li Mi's old ministry to surrender, while showing outstanding talent and extraordinary courage. Historical records record that Wei Zheng's trip achieved certain results.
"Lush and high, haunting the plains" means that the road after exiting the customs is difficult, rugged and difficult to navigate, hovering between the lofty mountains, looking down at the mountains, and the flat and endless fields are obscured by the trees on the mountains. These two poems highlight the danger of the road from a visual point of view, indicating the poet's firm confidence in exhorting him to surrender.
"Ancient wood song cold bird, empty mountain cry night ape" means that cold birds mourn in ancient trees, and apes cry from time to time in the empty valley late at night. These two poems set off the desolation of the environment from the perspective of hearing, and express the poet's tenacious will to move forward generously.
"It hurts the clairvoyant, but it also shocks the souls of nine people." Isn't it difficult? Deeply cherish the grace of the country", these four sentences mean to ascend to the heights and look far away, as far as the eye can see, desolate and desolate, the heart can not help but be sad; if the future is what it is, the auspiciousness is difficult to predict, and it cannot help but make people thrilled. In the face of such hardships, who can not be afraid? However, the emperor treated me as a "national soldier", and this kind of "grace of knowing the encounter" made me feel grateful and deeply remembered that "a soldier dies for a confidant" I must do my best, overcome difficulties and obstacles, and achieve victory to repay the great imperial favor.
"Ji Bu has no promise, Hou Wei is heavy", and two allusions were used. Ji Bu was a native of the late Qin and early Han dynasties, known for keeping promises, and there was a proverb at that time that "it is better to get a hundred pounds of gold than Ji Bu Yinuo". Hou Wei was a guest of the Xinling Jun during the Warring States period, and the Xinling Jun ding planned to steal the soldiers to save Zhao, before the Xinling Jun set out, Hou Ying said that he could not accompany him due to his old age, and could only kill himself to repay, and then committed suicide to fulfill his promise. Here, the poet reiterates his firm determination: I will imitate the promises of the ancients, and I will go to the soup and the fire, and complete the mission of traveling unswervingly and unswervingly.
"Life is sentimental, and the name of merit is repeated" means that life is in the world, and the spirit is the first, and I always feel grateful for the grace of the monarch's knowledge, and I do not care about fame and fortune. The last sentence further shows the poet's high spirit and bright spirit, single-mindedly repaying the monarch's open-mindedness.
Wei Zheng was an outstanding statesman, the founding hero of the Tang Dynasty, and an important minister under Li Shimin, the second monarch of the Tang Dynasty. He had a straight temperament and dared to make a direct remark, which played an important role in the establishment of the golden age of "the rule of zhenguan". In terms of historiography, Wei Zheng also had high achievements, editing the "Qunshu Zhizhi", personally writing the preface to the "Book of Sui", and the general discussion of the "Book of Liang", "Chen Shu", and "Qi Shu". Wei Zheng was also an important poet of the Early Tang Dynasty, and "Shu Huai" was his representative work and a famous piece in the poetry of the Early Tang Dynasty. The poem is concise in words, vigorous in penmanship, rich in artistic conception, moving in style and momentum, showing a generous atmosphere, which has a certain influence on the transformation of the flashy poetic style of the early Tang Dynasty.
Wei Zheng quotes many allusions in the wuyan ancient poem "Shu Huai", which is nothing more than the ancient people's self-metaphor to Ming Zhi. Although the poems were created under a specific environment, the spirit contained in them was the precious wealth that Wei Zheng held throughout his life, and his life was worthy of the title of "National Soldier". The impassioned spirit in the poem, through 1400 years of time and space, still makes people feel shook.