Pei Yaoqing
Encyclopedia
Pei Yaoqing (681–743), courtesy name Huanzhi (渙之), formally Marquess Wenxian of Zhaocheng (趙城文獻侯), was a poet and politician of the Chinese
History of China
Chinese civilization originated in various regional centers along both the Yellow River and the Yangtze River valleys in the Neolithic era, but the Yellow River is said to be the Cradle of Chinese Civilization. With thousands of years of continuous history, China is one of the world's oldest...

 dynasty Tang Dynasty
Tang Dynasty
The Tang Dynasty was an imperial dynasty of China preceded by the Sui Dynasty and followed by the Five Dynasties and Ten Kingdoms Period. It was founded by the Li family, who seized power during the decline and collapse of the Sui Empire...

, serving as a chancellor during the reign of Emperor Xuanzong
Emperor Xuanzong of Tang
Emperor Xuanzong of Tang , also commonly known as Emperor Ming of Tang , personal name Li Longji , known as Wu Longji from 690 to 705, was the seventh emperor of the Tang dynasty in China, reigning from 712 to 756. His reign of 43 years was the longest during the Tang Dynasty...

. He had friendly relationship with fellow chancellor Zhang Jiuling
Zhang Jiuling
Zhang Jiuling , courtesy name Zishou , nickname Bowu , formally Count Wenxian of Shixing , was a prominent minister, noted poet and scholar of the Tang Dynasty, serving as chancellor during the reign of Emperor Xuanzong.- Background :Zhang Jiuling was born in 673, during the reign of Emperor Gaozong...

, and when another chancellor, Li Linfu
Li Linfu
Li Linfu , nickname Genu , formally the Duke of Jin , was an official of the Chinese dynasty Tang Dynasty, serving as a chancellor for 18 years , during the reign of Emperor Xuanzong—one of the longest terms of service for a chancellor in Tang history, and the longest during Xuanzong's reign.Li...

, managed to convince Emperor Xuanzong that both Zhang and Pei were engaging in factionalism, both were removed, although Pei continued to serve in important positions in the imperial administration until his death in 743. He was known for improving the food transportation system between the capital Chang'an
Chang'an
Chang'an is an ancient capital of more than ten dynasties in Chinese history, today known as Xi'an. Chang'an literally means "Perpetual Peace" in Classical Chinese. During the short-lived Xin Dynasty, the city was renamed "Constant Peace" ; yet after its fall in AD 23, the old name was restored...

 and the eastern capital Luoyang
Luoyang
Luoyang is a prefecture-level city in western Henan province of Central China. It borders the provincial capital of Zhengzhou to the east, Pingdingshan to the southeast, Nanyang to the south, Sanmenxia to the west, Jiyuan to the north, and Jiaozuo to the northeast.Situated on the central plain of...

, obviating the need for the emperor to periodically move between the two capitals.

Background

Pei Yaoqing was born in 681, during the reign of Emperor Gaozong
Emperor Gaozong of Tang
Emperor Gaozong of Tang , personal name Li Zhi , was the third emperor of the Tang Dynasty in China, ruling from 649 to 683...

. His family traced its ancestry to a line of officials of Han Dynasty
Han Dynasty
The Han Dynasty was the second imperial dynasty of China, preceded by the Qin Dynasty and succeeded by the Three Kingdoms . It was founded by the rebel leader Liu Bang, known posthumously as Emperor Gaozu of Han. It was briefly interrupted by the Xin Dynasty of the former regent Wang Mang...

, Jin Dynasty (265-420)
Jìn Dynasty (265-420)
The Jìn Dynasty , was a dynasty in Chinese history, lasting between the years 265 and 420 AD. There are two main divisions in the history of the Dynasty, the first being Western Jin and the second Eastern Jin...

, Western Liang
Western Liang
The Western Liang was a state of the Sixteen Kingdoms in China. It was founded by the Li family of the Han Chinese. The founder of the Tang Dynasty, Li Yuan , traced his ancestry to the Western Liang rulers....

, Southern Qi
Southern Qi
The Southern Qi Dynasty was the second of the Southern dynasties in China, followed by the Liang Dynasty. During its 23-year history, the dynasty was largely filled with instability, as after the death of the capable Emperor Gao and Emperor Wu, Emperor Wu's grandson Xiao Zhaoye was assassinated...

, Northern Wei
Northern Wei
The Northern Wei Dynasty , also known as the Tuoba Wei , Later Wei , or Yuan Wei , was a dynasty which ruled northern China from 386 to 534 . It has been described as "part of an era of political turbulence and intense social and cultural change"...

, Sui Dynasty
Sui Dynasty
The Sui Dynasty was a powerful, but short-lived Imperial Chinese dynasty. Preceded by the Southern and Northern Dynasties, it ended nearly four centuries of division between rival regimes. It was followed by the Tang Dynasty....

, and Tang Dynasty
Tang Dynasty
The Tang Dynasty was an imperial dynasty of China preceded by the Sui Dynasty and followed by the Five Dynasties and Ten Kingdoms Period. It was founded by the Li family, who seized power during the decline and collapse of the Sui Empire...

. Pei Yaoqing's grandfather Pei Shen (裴慎) served as a county magistrate during Tang, and his father Pei Shouzhen (裴守真) served as a prefectural prefect.

Pei Yaoqing was said to be intelligent well-learned even in childhood, being able to read complex text when he was only a few years old. He later passed a special imperial examination
Imperial examination
The Imperial examination was an examination system in Imperial China designed to select the best administrative officials for the state's bureaucracy. This system had a huge influence on both society and culture in Imperial China and was directly responsible for the creation of a class of...

 for boys, and in his youth became an assistant secretary at the archival bureau (秘書省, Mishu Sheng). He later served as the communications for Emperor Gaozong's son Li Dan
Emperor Ruizong of Tang
Emperor Ruizong of Tang , personal name Lǐ Dàn , known at times during his life as Li Xulun , Li Lun , Wu Lun , and Wu Dan , was the fifth and ninth emperor of Tang Dynasty...

 the Prince of Xiang. Li Dan respected him, and made him and his colleague Wei Liqi (韋利器) consultants. After Li Dan, a former emperor, returned to the throne in 712 (as Emperor Ruizong), he made Pei Guozi Zhubu (國子主簿), the secretary general at the imperial university.

During Emperor Xuanzong's reign

Early in the Kaiyuan era (713-741) of Emperor Ruizong's son Emperor Xuanzong
Emperor Xuanzong of Tang
Emperor Xuanzong of Tang , also commonly known as Emperor Ming of Tang , personal name Li Longji , known as Wu Longji from 690 to 705, was the seventh emperor of the Tang dynasty in China, reigning from 712 to 756. His reign of 43 years was the longest during the Tang Dynasty...

, Pei Yaoqing was made the magistrate of Chang'an County—one of the two counties making up the Tang capital Chang'an
Chang'an
Chang'an is an ancient capital of more than ten dynasties in Chinese history, today known as Xi'an. Chang'an literally means "Perpetual Peace" in Classical Chinese. During the short-lived Xin Dynasty, the city was renamed "Constant Peace" ; yet after its fall in AD 23, the old name was restored...

. At that time, Chang'an County put governmental funds in trust with rich households to have them manage the funds for the government, leading to much trouble for both government and the people. Pei ended the practice and retrieved the funds from the rich households, reducing both corruption and burden on these households. He served as magistrate of Chang'an County for two years, and it was said that he drew a balance between strictness and laxity. When he left that office, the people missed him greatly.

In 725, Pei became the prefect of Ji Prefecture (濟州, roughly modern Liaocheng
Liaocheng
Liaocheng , also known as the Water City, is a prefecture-level city in western Shandong province, People's Republic of China. It borders the provincial capital of Jinan to the southeast, Dezhou to the northeast, Tai'an to the south, and the province of Hebei and Henan to the west...

, Shandong
Shandong
' is a Province located on the eastern coast of the People's Republic of China. Shandong has played a major role in Chinese history from the beginning of Chinese civilization along the lower reaches of the Yellow River and served as a pivotal cultural and religious site for Taoism, Chinese...

). That year, Emperor Xuanzong offered sacrifices to heaven and earth at Mount Tai
Mount Tai
Mount Tai is a mountain of historical and cultural significance located north of the city of Tai'an, in Shandong province, People's Republic of China. The tallest peak is the Jade Emperor Peak , which is commonly reported as tall, but is described by the PRC government as .Mount Tai is one of the...

, and as he went through the various prefectures, the prefectural prefects were rushing to offer him tributes—but Emperor Xuanzong was impressed by three prefects—Wang Qiu (王丘), Cui Mian (崔沔), and Pei, who offered no luxury items—and in Pei's case, what he offered was several hundred suggestions, all of which were aiming toward correcting Emperor Xuanzong's behavior. Emperor Xuanzong was particularly impressed with one of the suggestions, which stated, "If you cause great harm to the people, then you cannot say that the realm is peaceful." Emperor Xuanzong promoted the three of them—in Pei's case, to be the prefect of the more important Ding Prefecture (定州, roughly modern Baoding
Baoding
-Administrative divisions:Baoding prefecture-level city consists of 3 municipal districts, 4 county-level cities, 18 counties:-Demographics:The Baoding urban area has a population of around 1,006,000 . The population of the Baoding administrative area is 10,890,000. The considerable majority are...

, Hebei
Hebei
' is a province of the People's Republic of China in the North China region. Its one-character abbreviation is "" , named after Ji Province, a Han Dynasty province that included what is now southern Hebei...

). At the time that his promotion was announced, he was overseeing a project to repair the Yellow River
Yellow River
The Yellow River or Huang He, formerly known as the Hwang Ho, is the second-longest river in China and the sixth-longest in the world at the estimated length of . Originating in the Bayan Har Mountains in Qinghai Province in western China, it flows through nine provinces of China and empties into...

 levees. Instead of departing immediately for Ding Prefecture, he delayed his departure to make sure that the levees would be complete. He later successively served as the prefect of Xuan (宣州, roughly modern Xuancheng
Xuancheng
Xuancheng is a prefecture-level city in southeastern Anhui province of Eastern China. It borders Wuhu to the northwest, Chizhou to the west, Huangshan to the southwest, and the provinces of Zhejiang and Jiangsu to the southeast and northeast respectively....

, Anhui
Anhui
Anhui is a province in the People's Republic of China. Located in eastern China across the basins of the Yangtze River and the Huai River, it borders Jiangsu to the east, Zhejiang to the southeast, Jiangxi to the south, Hubei to the southwest, Henan to the northwest, and Shandong for a tiny...

) and Ji (冀州, roughly modern Hengshui
Hengshui
Hengshui is a prefecture-level city in Hebei province, China. It has an urban population of 460,240 in the built up area and a population of 4,340,373 at the 2010 census in its administrative area...

, Hebei
Hebei
' is a province of the People's Republic of China in the North China region. Its one-character abbreviation is "" , named after Ji Province, a Han Dynasty province that included what is now southern Hebei...

, note different prefecture than his previous post) Prefectures, before being recalled to Chang'an to serve as the deputy minister of census (戶部侍郎, Hubu Shilang).

In 732, Emperor Xuanzong commissioned his second cousin Li Hui (李褘) the Prince of Xin'an to command an army against Khitan
Khitan people
thumb|250px|Khitans [[Eagle hunting|using eagles to hunt]], painted during the Chinese [[Song Dynasty]].The Khitan people , or Khitai, Kitan, or Kidan, were a nomadic Mongolic people, originally located at Mongolia and Manchuria from the 4th century...

 and Xi
Kumo Xi
The Kumo Xi ) were a Mongolic steppe people located in current Manchuria from 207 AD to 907 AD. After the death of their ancestor Tadun in 207 they were no longer called Wuhuan but joined the Khitan Xianbei in submitting to the Yuwen Xianbei. Their history is widely linked to the more famous Khitan...

 tribes which would not submit to Tang suzerainty, with Pei as Li Hui's deputy. After Li Hui scored a major victory over both the Khitan and the Xi, Emperor Xuanzong ordered Pei to tour the Xi tribes that were submissive and which had participated in the campaign, to award a large amount of silk to them. Pei, realizing that such a journey would be filled with danger as other tribes might become aware and might attack, proceeded quickly on the trip and divided his train into several groups, awarding the silk quickly and then returning to Tang territory. Indeed, hearing about Pei's tour, Eastern Tujue and Shiwei
Shiwei
Shiwei were a Mongolic people that inhabited far-eastern Mongolia, northern Inner Mongolia and northern Manchuria and were recorded from the time of the Northern Wei until the rise of the Mongols of Genghis Khan in 1206 when the name "Mongol" and "Tatar" were applied to all the Shiwei tribes....

 forces launched a raid against him, but by the time that they arrived, Pei had already returned to Tang territory. In winter 732, he was made the mayor of Jingzhao Municipality (京兆府), which encompassed Chang'an.

In fall 733, there was much raining in the Guanzhong
Guanzhong
Guanzhong , or Guanzhong Plain, is a historical region of China corresponding to the lower valley of the Wei River. It is called Guanzhong or 'within the passes' to distinguish it from 'Guandong' or 'east of the pass', that is, the North China Plain. The North China Plain is bordered on the west by...

 region (i.e., the region around Chang'an), causing flooding and rise in food prices. Emperor Xuanzong considered going to the eastern capital Luoyang
Luoyang
Luoyang is a prefecture-level city in western Henan province of Central China. It borders the provincial capital of Zhengzhou to the east, Pingdingshan to the southeast, Nanyang to the south, Sanmenxia to the west, Jiyuan to the north, and Jiaozuo to the northeast.Situated on the central plain of...

, to decrease the need to requisition food supplies, and he summoned Pei to discuss with him. Pei suggested revising the food shipment scheme at that time to reduce the need for such journeys. Pei's proposal included several points:
  • At that time, most of the food supply was coming from south of the Yangtze River
    Yangtze River
    The Yangtze, Yangzi or Cháng Jiāng is the longest river in Asia, and the third-longest in the world. It flows for from the glaciers on the Tibetan Plateau in Qinghai eastward across southwest, central and eastern China before emptying into the East China Sea at Shanghai. It is also one of the...

     and were shipped by ships from the region, which were unfamiliar with the waters in the Yellow River
    Yellow River
    The Yellow River or Huang He, formerly known as the Hwang Ho, is the second-longest river in China and the sixth-longest in the world at the estimated length of . Originating in the Bayan Har Mountains in Qinghai Province in western China, it flows through nine provinces of China and empties into...

     region, the journeys were often slow, often causing thefts or embezzlement. Under Pei's proposal, a large food storage would be built at Hulao, where Bian River (汴水, a major shipping route from the Yangtze to the Yellow) joined Yellow River, and the ships from the Yangtze region would offload their supplies at Hulao.
  • The food supply would then be shipped from Hulao to Luoyang on either the Yellow River or the Luo River (洛水, flowing near Luoyang).
  • One large food storage would be built on each side of Sanmenxia
    Sanmenxia
    -Administration:The prefecture-level city of Sanmenxia administers one district, two county-level cities and three counties.*Hubin District*Lingbao City*Yima City*Lushi County*Shan County*Mianchi County*Sanmenxia Development Zone...

    . The food supplies intended for Chang'an would be shipped from Luoyang to Sanmenxia and stored there.
  • A road would be built from Sanmenxia upstream to the Wei River
    Wei River
    The Wei River is a major river in west-central China's Gansu and Shaanxi provinces. It is the largest tributary of the Yellow River and very important in the early development of Chinese civilization....

    , allowing food to be shipped on land when the water flow was unsuitable for shipping on water.
  • Once the food supply had been shipped to the Wei River either on land or on water, the food could then be shipped easily to Chang'an.


Emperor Xuanzong agreed with the proposal. Later that year, when he removed the chancellors Xiao Song
Xiao Song
Xiao Song , formally the Duke of Xu , was an official and general of the Chinese dynasty Tang Dynasty, serving as a chancellor during the reign of Emperor Xuanzong.- Background :...

 and Han Xiu from their chancellor positions, he made Pei and Zhang Jiuling
Zhang Jiuling
Zhang Jiuling , courtesy name Zishou , nickname Bowu , formally Count Wenxian of Shixing , was a prominent minister, noted poet and scholar of the Tang Dynasty, serving as chancellor during the reign of Emperor Xuanzong.- Background :Zhang Jiuling was born in 673, during the reign of Emperor Gaozong...

 new chancellors to succeed them. Specifically, Pei was made Huangmen Shilang (黃門侍郎), the deputy head of the examination bureau of government (門下省, Menxia Sheng) with the chancellor de facto designation Tong Zhongshu Menxia Pingzhangshi (同中書門下平章事). He was also made the director of food supply shipments (轉運使, Zhuanyun Shi).

In 734, Zhang proposed that private citizens be allowed to mint money. Pei opposed, pointing out that the quality of the coins would be greatly reduced. Emperor Xuanzong, with opposition also from Liu Zhi
Liu Zhi (historian)
Liu Zhi , courtesy name Zuoqing , was a Chinese historian and author of the Zhengdian. He was the fourth son of Liu Zhiji, little is known about his life, other than he was an official during the reign of Emperor Xuanzong of Tang and had been deposed on several occasions until the times of Emperor...

, decided not to allow private minting. Later that year, Pei was made Shizhong (侍中), the head of the examination bureau and a post considered one for a chancellor. Pursuant to Pei's proposal, a shipping station was built at the point where the Yellow River and the Bian River joined, with two large food storages—Heyin Storage (河陰倉) to the east and Boyai Storage (柏崖倉) to the west. At Sanmenxia, Jijin Storage (集津倉) was built to the east, and Yan Storage (鹽倉) was built to the west. A road 18 li
Li (unit)
The li is a traditional Chinese unit of distance, which has varied considerably over time but now has a standardized length of 500 meters or half a kilometer...

long (roughly nine kilometers) was built from Sanmenxia to the Wei River. With Pei's plan implemented, the government received considerably savings during the next three years, and Pei's subordinates suggested that he submitted the surpluses to the emperor as a tribute. Pei stated, "This is money saved for the government. How can I use it to ingratiate the emperor?" Instead, he saved the money for future transportation improvements.

By 736, however, Pei was caught in the middle of palace intrigue, with fellow chancellor Li Linfu
Li Linfu
Li Linfu , nickname Genu , formally the Duke of Jin , was an official of the Chinese dynasty Tang Dynasty, serving as a chancellor for 18 years , during the reign of Emperor Xuanzong—one of the longest terms of service for a chancellor in Tang history, and the longest during Xuanzong's reign.Li...

 beginning to gain favor at the expense of Pei and Zhang, who were friendly with each other. At that time, there were several incidents for which the blunt Zhang had offended either Emperor Xuanzong—who was described to have begun to tire of governance and started seeking luxuries in earnest—or Li Linfu, who was described to be ingratiating the emperor:
  • In fall 736, when Emperor Xuanzong was at Luoyang, he had set to return to Chang'an on March 7, 737. However, at that time, an incident occurred where there were strange apparitions appearing in the Luoyang Palace, and Emperor Xuanzong did not want to stay at Luoyang. On or right before November 9, 736, he summoned the chancellors to ask them whether he could depart for Chang'an immediately. Pei and Zhang, pointing out the fact that it was harvest season and that the imperial train would interfere with harvest, requested a one-month delay. After Pei and Zhang exited, however, Li Linfu remained personally and stated his agreement with the departure, arguing that the farmers could be compensated by relieving their taxes. Emperor Xuanzong was pleased and immediately departed for Chang'an.
  • Emperor Xuanzong was, then, impressed with Niu Xianke
    Niu Xianke
    Niu Xianke , formally Duke Zhenjian of Bin , was a general and official of the Chinese dynasty Tang Dynasty, serving as a chancellor during the reign of Emperor Xuanzong...

    , the military governor (jiedushi
    Jiedushi
    The Jiedushi were regional military governors in China during the Tang Dynasty and the Five Dynasties and Ten Kingdoms Period. Originally set up to counter external threats, the jiedushi were given enormous power, including the ability to maintain their own armies, collect taxes, and pass their...

    ) of Shuofang
    Shuofang
    Shuofang was a fort built in the land of nomadic horse hasbandry tribes at the dawn of the Chinese written history. According to Bamboo Annals, Shuofang was built by the Emperor Di Yi of Shang state on the third year of his reign in 1098 BC in the midst of the Kun Barbarians territory in the...

     Circuit (朔方, headquartered in modern Yinchuan, Ningxia
    Ningxia
    Ningxia, formerly transliterated as Ningsia, is an autonomous region of the People's Republic of China. Located in Northwest China, on the Loess Plateau, the Yellow River flows through this vast area of land. The Great Wall of China runs along its northeastern boundary...

    ), wanted to make him the minister of defense. Zhang, who pointed out that Niu was not well-learned and had started from the ranks of low-level administrators—contrary to the Tang tradition of going through the imperial examinations—opposed, and then further opposed the creation of a title. Eventually, despite Zhang's opposition, Emperor Xuanzong, with concurrence from Li LInfu, created Niu the Duke of Longxi.
  • Li LInfu was associating with Emperor Xuanzong's favorite concubine Consort Wu
    Consort Wu (Xuanzong)
    Consort Wu, imperial consort rank Huifei , posthumously Empress Zhenshun , was an imperial consort of the Chinese dynasty Tang Dynasty, during the reign of Emperor Xuanzong...

     and trying to have Emperor Xuanzong make her son Li Mao (李瑁) the Prince of Shou crown prince
    Crown Prince
    A crown prince or crown princess is the heir or heiress apparent to the throne in a royal or imperial monarchy. The wife of a crown prince is also titled crown princess....

     to replace Emperor Xuanzong's then-crown prince Li Ying
    Li Ying
    Li Ying is a fictional character in the Water Margin, one of the Four Great Classical Novels of Chinese literature. He ranks 11th of the 36 Heavenly Spirits of the 108 Liangshan heroes and is nicknamed "Striking Hawk".-Background:...

    , who had long lost Emperor Xuanzong's favor. With Zhang strenuously opposing such a move, Li Ying remained in his position.
  • The deputy minister Xiao Jiong (蕭炅), whom Li Linfu recommended, was demoted on the suggestion of Zhang and Zhang's friend Yan Tingzhi (嚴挺之), who further offended Li Linfu by refusing to meet with him. Soon thereafter, there was an incident where Wang Yunyan (王元琰), the husband of Yan's ex-wife, was accused of corruption. Yan tried to intercede on Wang's behalf, and this was discovered.


Li Linfu thus made accusations to Emperor Xuanzong that Zhang and Pei were engaging in factionalism. Around the new year 737, Emperor Xuanzong removed Pei and Zhang from their chancellor posts, making them Chengxiang (丞相) -- the heads of the executive bureau (尚書省, Shangshu Sheng) instead. Niu was made chancellor to replace them, serving with Li Linfu. At the same time, Pei was created the Marquess of Zhaocheng.

Later in 737, there was an incident in which the Yang Jun (楊濬) the prefect of Yi Prefecture (夷州, roughly modern Zunyi
Zunyi
Zunyi is a prefecture-level city in Guizhou province in southwestern China. Along with Guiyang and Liupanshui, it is one of the most important cities of the province...

, Guizhou
Guizhou
' is a province of the People's Republic of China located in the southwestern part of the country. Its provincial capital city is Guiyang.- History :...

), was accused of corruption and received a death sentence. Emperor Xuanzong commuted the sentence to caning for 60 times and exile to Gu Prefecture (古州, roughly modern Lang Son Province
Lạng Sơn Province
Lạng Sơn is a province in far northern Vietnam, bordering Guangxi province in China. Its capital is also called Lang Son, which is a strategically important town at the border with China and is northeast of Hanoi connected by rail and road...

, Vietnam
Vietnam
Vietnam – sometimes spelled Viet Nam , officially the Socialist Republic of Vietnam – is the easternmost country on the Indochina Peninsula in Southeast Asia. It is bordered by China to the north, Laos to the northwest, Cambodia to the southwest, and the South China Sea –...

). Pei submitted a petition, pointing out that while caning instead of death was grace already, public caning nevertheless was undignified for someone who had been an honored official. Emperor Xuanzong agreed and commuted the caning as well.

In 740, Emperor Xuanzong, impressed at the military accomplishments of the general Gai Jiayun (蓋嘉運), the military governor of Hexi (河西, headquartered in modern Wuwei, Gansu
Gansu
' is a province located in the northwest of the People's Republic of China.It lies between the Tibetan and Huangtu plateaus, and borders Mongolia, Inner Mongolia, and Ningxia to the north, Xinjiang and Qinghai to the west, Sichuan to the south, and Shaanxi to the east...

) and Longyou (隴右, headquartered in modern Haidong Prefecture
Haidong Prefecture
Haidong Prefecture is a prefecture of Qinghai province in Western China. Its name literally means "east of the Lake."-Geography:...

, Qinghai
Qinghai
Qinghai ; Oirat Mongolian: ; ; Salar:) is a province of the People's Republic of China, named after Qinghai Lake...

) Circuits, summoned him to the capital to reward him and commissioned him to plan an attack on Tufan. Gai, happy about the imperial favor, lingered in Chang'an and did not immediately depart. Pei submitted a petition, pointing out that while Gai was brave, he was becoming arrogant and unattentive in light of imperial favors. He suggested that Gai's commission be cancelled, or, in the least, that Emperor Xuanzong order Gai to immediately return to his command. Emperor Xuanzong did the latter. Later, as Pei predicted, Gai was unable to prevail over Tufan.

Pei continued to serve as Pushe for the next several years. He died in 743 and was given posthumous honors.
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