The Gōngyáng Zhuàn (simplified Chinese: 公羊传; traditional Chinese: 公羊傳) is a commentary on Chunqiu, or the Spring and Autumn Annals, and is thus one of the classic books of ancient Chinese. Along with the Zuo Zhuan and Guliang Zhuan the work is one of the Three Commentaries on the Spring and Autumn Annals. In particular, Gongyang Zhuan is a central work to New Text Confucianism (今文經學), which advocates Confucius as an institutional reformer instead of a respected scholar, and Chunqiu as an embodiment of Confucius' holistic vision on political, social, and moral issues instead of a merely chronicle. Gongyang Zhuan significantly influenced the political institution in Han Dynasty. It fell out of favor among elites and was eventually replaced by Zuo Zhuan. Gongyang Zhuan scholarship was reinvigorated in late Ming Dynasty and became a major source of inspiration for Chinese reformers from eighteen to early twentieth century.
Gongyang Zhuan argues that Chunqiu is not merely a history, but a manifesto of Confucius' philosophy on his ideal sociopolitical order. Unlike Zuo Zhuan, a later favorite among many scholars for its vivid description on historical events, Gongyang Zhuan was compiled in a dialogistic style resembling a class conversation between a Confucian scholar and his students discussing the "profound meanings behind the subtle words [of "Chunqiu"]"(微言大義), and was brief in explaining the historical background. Because of its emphasis on the theoretical interpretation of the Annals, contemporary Jiang Qing dubbed it "the political theory wing of Confucianism (政治儒学)."
The primary assumption of Gongyang Zhuan is that Confucius authored Chunqiu in order to criticize the politics of his time and set a constitutional guideline for future generations. Moreover, Confucius is not merely a transmitter of ancient scholarship but a charismatic sage (聖) who should have received the Mandate of Heaven and become a King himself. But since Confucius did not receive the kingship due to the circumstances, he compiled Chunqiu based on official chronicles, in which he criticized (褒贬) the events and historical figures of the Spring and Autumn Period according to a coherent philosophy. Based on this assumption, Gongyang Zhuan strives to undercover what it claims to be the deeper meaning behind layers of subtle texts.
Dong Zhongshu's Interpretation 
Dong Zhongshu was the leading scholar in Western Han dynasty, and was regarded as an authority on Gongyang Zhuan. Dong advocated According to Qing Dynasty scholar Kang Youwei's summary, some of Gongyang Zhuan's political agenda including the establishment of a well-ordered hierarchical regime (明尊卑之分), a strong and centralized political authority (强干弱枝), and a merit-based civil government (論賢才之義，別所長之能), and a benevolent ruler whose legitimacy is based on the Mandate of Heaven.
Jiang Qing's Reading 
According to contemporary scholar Jiang Qing's Introductory Treatise on Gongyang Scholarship (公羊学引论), Gongyang Zhuan includes the following themes:
- Three Stages of Human History (张三世).
Gongyang Zhuan' argues that human society evolves overtime and could be divided into three phases. The first stage (據亂世) is marked by political chaos and social anomy, the second stage (昇平世) is characterized by the reestablishment of legitimate political order, and the second stage (太平世) is when the world as a whole experiences great harmony and every individual is able to fully their potential.
- Unity of cosmological and political order (大一统)
- Reconciliation between past and present sources of political legitimacy (通三统)
- Limitation on monarchical power (天子一爵)
- Distinction between legitimate political maneuver and realpolitik (经权说)
- Interaction between human and heaven (天人感应)
- Distinction between Chinese and non-Chinese cultures (夷夏之辨)
- Just retribution (大复仇)
Early Development 
The genealogy of Gongyang Zhuan has been a contested issue among scholars. According to The Book of Han, Zi-xia (子夏) taught Confucius' class notes to his disciple Gongyang Gao (公羊高) of the State of Qi during the Warring States Period of Chinese history (475 – 221 BCE). An oral commentary at first, it was written down and edited during the early Han Dynasty by Gongyang Gao's decedent Gongyang Shou (公羊寿) and his collaborator Humu Sheng (胡母生).
Humu Sheng later became a professor ("erudite" boshi) in the Han court in charge of the studying and teaching of Gongyang Zhuan. Along with him was another Gongyang Zhuan authority Dong Zhongshu. With Empero Wu of Han's adoption of Dong's proposal to formally establish Confucianism as the state ideology, the power and influence of the Gongyang School increased significantly. Later, Dong Zhongshu authored Luxuriant Dew of the Spring and Autumn Annals, Interactions Between Heaven and Mankind and Strange Calamities of Yin and Yang, in which he popularized his mysticism interpretation of Gongyang Zhuan. Along with the widespread adoption of divination practices, the Han intelligentsia became shrouded in an atmosphere of superstition and mystery. Nonetheless, among officials, Gongyang School was seen as a vital political classic that provided ideological basis and historical precedents in governing, and was cited during policy debates.
Dong Zhongshu's two students, Yan Pengzu (严彭祖) and Yan Anle (顏安樂) became the leaders of Gongyang School after Dong's demise.
Some exegesis monographs by Gongyang scholars mounts to over one million characters in length, that scholars from other schools accused Gongyang school for being too fixated on the trivia of Chunqiu.
At the end of Western Han Dynasty, scholar Liu Xin proposed to establish professorship for Zuo Zhuan and ‘’Guliang Zhuan. Once his advice was adopted, Gongyang school no longer monopolized the official interpretation of Spring and Autumn Annals. From the time of the Eastern Han Dynasty onwards, more and more people criticized Dong Zhongshu's interpretation of the Gongyang Zhuan.
During the later years of the Han Dynasty, He Xiu (何休) became the most ardent defender of Gongyang School. He combated vigorously with scholars who prefer Zuo Zhuan and Guliang Zhuan. After spending seventeen years, he wrote a hermeneutics work on Gongyang Zhuan, which is largely survived into modern days. He Xiu's work became the primary source for textual reconstruction of Gongyang Zhuan and a major source of inspiration for later Gongyang scholars.
Huan Kuan (桓寬), author of the Confucian political treatise Debating Salt and Iron Policies (鹽鐵論), was another notable Gongyang Scholar.
In his Confucian work Discourse on the Six Arts (六藝論), the Han scholar Zheng Xuan makes the following comment:
- The Zuo Zhuan is best with regards to Confucian rites, the Gongyang Zhuan for divination and the Guliang Zhuan for the classical view of Confucianism.
The Eastern Jin Dynasty scholar Fan Ning (范宁) (grandfather of Fan Ye (范曄), author of the Book of the Later Han), in his commentary on works relating to the Spring and Autumn Annals said that the Zuo Zhuan was colorful and rich in content but contains too much wizardry, the Guliang Zhuan was clear and elegantly written but too short whilst the Gongyang Zhuan seemed argumentative, judgmental and vulgar in style. In the opinion of the Han scholar and official He Xiu (何休), the Gongyang Zhuan's achievement is its appraisal of the Spring and Autumn Annals to expound the "great way of Confucianism" through the use of subtle and profound language.
Later Development 
During the Tang Dynasty, study of the Gongyang Zhuan gradually declined with very few academics concentrating on the work.
Gongyang scholarship was introduced to Japan. Notable scholars include Hayashi Razan and his son Hayashi Gahō. Hayashi Gahō later published a commentated version of Gongyang Zhuan (公谷白文) in 1688, attributing the comments to his father.
During the Qing Dynasty the study of textual criticism flourished with successive scholars researching the Gongyang Zhuan and reinvigorating its ideas. This re-evaluation of the work was probably a response to the massive social and political changes of the period which caused scholars to reassess the dominant official interpretation of Confucianism.
Gongyang Zhuan played an important role in the works of the Changzhou School of Thought (常州學派) proponents. The school held an important position during the late Qing Dynasty as a mainstream center of learning with scholars such as Kong Guangsen (孔广森), Zhuang Cunyu (莊存與), Liu Fenglu (劉逢祿), Gong Zizhen (龚自珍), Wei Yuan (魏源) and Kang Youwei (康有为) amongst others. The school's main target for criticism was the Old Texts (古文经). In particular, Kang Youwei's interpretation helped facilitated the widespread doubt on the Old Texts among intellectuals, and thus creating a sympathetic audience for his reformist ideas, which later became well known in Hundred Days' Reform.
In 1995, Chinese scholar Jiang Qing (蒋庆) published his work Introductory Treatise on Gongyang Scholarship, which marked the revived interest in the Gongyang Zhuan among modern political theorists.
See also 
- Duan, Xizhong Gongyangxue jiangshu Nanjing: Nanjing University Press, 2002
- Jiang, Qing Gongyangxue yinlun: Rujia de zhengzhi zhihui yu lishi xinyang Shenyang: Liaoning Jiaoyu Chubanshe, 1995.
|Chinese Wikisource has original text related to this article:|
|Three Commentaries on the Spring and Autumn Annals|
|Zuo Zhuan | Gongyang Zhuan | Guliang Zhuan|