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Dahui Zonggao(1089–1163) (Chinese: 大慧宗杲; Wade–Giles: Ta-hui Tsung-kao; Japanese: Daie Sōkō) was a 12th-century Chinese Chan (Zen) master. Dahui was a student of Yuanwu Keqin (Wade–Giles: Yuan-wu K'o-ch'in; Japanese: Engo Kokugon) (1063–1135) and was the 12th generation of the Linji line of Chan. He was the dominant figure of the Linji school during the Song.
Dahui introduced the practice of concentration on the Hua Tou ("word-head") of a kung-an (koan). This method was called the "Ch'an of kung-an (koan) introspection" (k'an-hua ch'an). Although he believed that koans were the best way to achieve enlightenment, he also recognized the teaching of Confucius and Lao-tzu as valuable.
- 1 Biography
- 2 Teachings
- 3 Writings
- 4 Notes
- 5 References
- 6 Sources
- 7 External links
Dahui was born in Xuancheng, Anhui Province, to the Xi family. He left home at sixteen and became a Buddhist monk at seventeen. His initiatory name was Zong Gao. Following the tradition of the day, he wandered from Chan community to community, seeking instruction. He studied under a Caodong master and mastered the essentials of the Five Ranks in two years. He studied all the records of the Five Houses of Chan, being particularly drawn to the words of Yunmen Wenyan (Wade–Giles: Yün-men Wên-yen Japanese: Ummon Bun’en), 864-949, founder of one of the "Five Houses" of Chan. He sought out instruction on the sayings of the old masters collected and commented on by Xuedou Chongxian (Wade–Giles: Hsüeh-tou Ch’ung-hsien; Japanese: Setchō Jūken) which became the basis for the koan collection, the Blue Cliff Record.
Dissatisfied with intellectual study, at the age of twenty-one he went to Treasure Peak, near the modern city of Nanchang in Jiangxi Province, to study with Zhan Tangzhun (Wade–Giles: Chan-t'ang Wen-chun), a master of the Huang-lung branch of the Linji School. Although Dahui developed a great intellectual understanding of Chan, enlightenment eluded him. Recognizing his potential and great intellectual abilities, Zhan Tangzhun made Dahui his personal attendant. One day Tangzhou asked Dahui,
- "Why are your nostrils boundless today?"
- Dahui replied, "(Because) I’m at your place."
- Tangzhou retorted, "You phony Chan man." 
Another time, when Dahui was twenty-six, Tangzhou called him over and said,
You can talk about Ch'an very well; you can quote the sayings of former masters and write commentaries on them. You are eloquent in giving sermons and quick with the exchanges during interviews. But there is one thing which you still do not know".
Ta-hui asked what it was.
Tangzhou answered, "What you do not have is the awakening. Thus, when I talk with you in my room, you have Chan. But as soon as you leave the room, you lose it. When you are awake and attentive, you have Chan. But as soon as you fall asleep, you lose it. If you continue like this, how can you ever conquer life and death?"
Dahui agreed, saying, "This is precisely my point of doubt."
Dahui continued his studies with Yuanwu Keqin. On his way to T’ien Ning Monastery in the old imperial city of Pien, Dahui vowed to work with Yuanwu for nine years and if he did not achieve enlightenment or if Yuanwu turned out to be a false teacher, giving approval too easily, Dahui would give up and turn to writing scriptures or treatises.
Yuanwu gave Dahui Yunmen’s saying, "East Mountain walks on the water" as a koan to work through. Dahui threw himself into the koan and struggled with it day and night, giving forty-nine answers to the koan, but all were rejected by his teacher. Finally, on May 13, 1125, he broke through. Later, he recalled the event:
Master Yuan-wu ascended the high seat in the lecture hall at the request of Madame Chang K'ang-kuo(張康國夫人). He said, "Once a monk asked Yun-men this question, 'where do all the Buddhas come from?' Yun-men answered. 'The East Mountain walks over the water' (Tung-shan shuei sheng hsing). But if I were he, I would have given a different answer. 'Where do all the Buddhas come from?' 'As the fragrant breeze comes from the south, a slight coolness naturally stirs in the palace pavilion.' When I heard this, all of a sudden there was no more before and after. Time stopped. I ceased to feel any disturbance in my mind, and remained in a state of utter calmness.
As it turned out, Yuanwu did not give approval too easily. He said,
It is indeed not easy to arrive at your present state of mind. But unfortunately, you have only died but are not yet reborn. Your greatest problem is that you do not doubt words enough. Don't you remember this saying? 'When you let go your hold on the precipice, you become the master of your own fate; to die and afterward come to life again, no one can then deceive you.
Yuanwu gave Dahui the koan, "To be and not to be --- it is like a wisteria leaning on a tree" to work on and after six months, Dahui achieved the final breakthrough and was recognized by Yuanwu as a Dharma-heir in the Linji tradition.
Yuanwu assigned teaching duties to Dahui and Dahui’s fame spread far and wide. A high ranking government official, the Minister of the Right, Lu Shun, gave Dahui a purple robe and the honorific, "Fo-jih", the Sun of Buddhism. The following year, 1126, the Nu-chen Tartars captured the Emperors Hui-tsung and Chin-tsung and the capital was moved to the south and the Southern Song dynasty began.
Dahui also moved south and taught both monks and laymen. It was at this time that he began his severe criticism of the "heretical Ch'an of silent illumination" of the Caodong school which he would continue for the rest of his life. He became a great favorite of the educated and literate classes as well as Chan monks and in 1137, at the age of forty-nine, the prime minister, Zhang Jun (張浚), a student of Dahui, appointed Dahui as abbot of Ching-shan monastery in the Southern Song capital of Lin-an (Hangzhou). Within a few years his sangha grew to two thousand and among his lay followers were many high-ranking officials. Dahui became the acknowledged leader of Buddhism of the Southern Song dynasty.
Exile and return
However, disaster was about to befall him. Because of his association with a high official who fell out of favor with the prime minister, all Dahui’s imperial honors and his ordination certificate were stripped from him and he was sent in exile to Heng-chou (Hunan) in the year 1141. At the age of sixty-two he was transferred to present day Guangdong, a place notorious in those days for plagues and hostile elements. Some fifty of Dahui’s monks died there in a plague. Throughout these difficult years, Dahui continued teaching in the Linji tradition of Chan Buddhism, attracting both gentry and commoners. Finally, in 1155, Dahui was pardoned and was allowed to return to his former monastery at Ching-shan where he continued his teaching until he died five years later on the 10 August 1163. He wrote a final verse for his disciples, saying, "Without a verse, I couldn’t die."
- Birth is thus
- Death is thus
- Verse or no verse
- What’s the fuss?
The enlightenment experience as the answer to the riddle of life and death, and the great doubt necessary to have the determination to break through, became central to Dahui’s teaching.
Dahui’s letters to lay people reveal a compassionate teacher, who believed that the enlightenment promised by the Buddha was available to all people, regardless of their daily activities. The best way to achieve this was through the use of gong-ans as a daily meditation device.
Gong-ans developed during the Tang Dynasty (618-907) from the recorded sayings collections of Chán-masters, which quoted many stories of "a famous past Chán figure's encounter with disciples or other interlocutors and then offering his own comment on it". Those stories and the accompanying comments were used to educate students, and broaden their insight into the Buddhist teachings.
Those stories came to be known as gongan, "public cases". Such a story was only considered a gongan when it was commented upon by another Chán-master. This practice of commenting on the words and deeds of past masters confirmed the master's position as awakened master in a lineage of awakened masters of the past.
Dahui saw this practice of commenting on gongans in his time as becoming a superficial literary study. In a radical move to counter this literary emphasis, he even ordered the suppression of his own teacher’s masterly collection of koans, The Blue Cliff Record (Wade–Giles: Pi Yen Lu; Pinyin: Bìyán Lù; Japanese: Hekiganroku), burning all copies and the wooden blocks to print them, effectively taking the venerated text out of circulation for the next two centuries.
Hua tou practice
Dahui introduced the use of k'an-hua, the concentration on the hua tou ("word head") of a gong-an to attain insight. Until his time, the developing gongan-tradition consisted mainly of commenting on "old cases", adding comments and poetry. This use of written comments and poetry shows the influence of Chinese literati culture, to which both state officials and most Buddhist higher clergy belonged.
Although there were hundreds of koans available, Dahui used only a few, believing that deep penetration of one or two koans would be enough to attain enlightenment. To achieve this, one had to work assiduously and with great determination, like someone whose "head is on fire". It mattered little to Dahui whether a person was particularly intelligent or not - liberation was available to all. He wrote:
It doesn’t matter whether your rational understanding is sharp or dull; it has nothing to do with matters of sharpness or dullness, nor does it have anything to do with quiet or confusion.
This one word ‘no’ is a knife to sunder the doubting mind of birth and death. The handle of this knife is in one’s own hand alone: you can’t have anyone else wield it for you…You consent to take hold of it yourself only if you can abandon your life. If you cannot abandon your life, just keep to where your doubt remains unbroken for a while: suddenly you’ll consent to abandon your life, and then you’ll be done.
The concept of ‘doubt’ was very important in Dahui’s teaching. He warned his students that they must ‘doubt’ words to not be fooled by them. Furthermore, they needed to ‘doubt’ their very existence. He said,
Many students today do not doubt themselves, but they doubt others. And so it is said, ‘Within great doubt there necessarily exists great enlightenment.’
Influence on the Rinzai-tradition
His teachings on this k'an-hua practice became the standard for the Linji (Japanese: Rinzai) tradition of koan practice in China, Korea and Japan. Dahui exorted a strong influence on the Japanese Rinzai teacher Hakuin, who also taught great doubt as necessary to awaken.
Rejection of silent illumination
Dahui’s teachings contain relentless attacks on the practice of silent illumination, sitting in meditation in tranquility and quietness. He labeled teachers of this type of meditation practice as "heretical" and complained,
They just sit in a ghostly cave on a dark mountain after their meals. They call this practice "silent illumination", "dying the great death", "the state before the birth of one's parents." They sit there until calluses appear on their bottoms, yet they still do not dare to move." 
To his opinion this type of practice leads to drowsiness, blankness and intellectualization and conceptualization of Chan Buddhism rather than enlightenment. He thought that teachers who taught this method of meditation had "never awakened themselves, they don’t believe anyone has awakened." For Dahui, koans were the only way to enlightenment and without koans, one would "be like a blind man without a walking stick: unable to take even one step." But koans had to be penetrated fully, not intellectualized. It was this fear of superficiality and intellectualization of old koans that led him to destroy all copies of his own teacher’s masterpiece, the Blue Cliff Record, to save Chan and to authenticate proper koan practice.
Dahui also compiled the Ch'an-lin pao-hsun 禪林寶訓 (Treasured Teachings of the Ch'an Monastic Tradition), instructions of former Chan abbots about the virtues and ideals of monastic life, in collaboration with another monk, Ta-kuei. A disciple of Dahui, Tsu-yung, compiled a collection of Dahui’s life and teaching called Ta-hui Pu-chueh Ch'an-shih nien-pu (Chronological Biography of Chan Master Ta-hui). The Chih-yueh lu, compiled by Chu Ju-chi of the Ming, also contains information on Dahui’s teachings and is the basis of the J. C. Cleary translation Swampland Flowers, of which the majority is a collection of letters Dahui wrote to his students.
- Dogen's unattributed use of Dahui's title Cheng-fa yen-tsang for Dogen's own most famous life work is an example of Dogen's broad influences. Upon arriving in China, Dogen first studied under Wuji Lepai, a disciple of Dahui, so this is most likely the source of Dogen's knowledge of Dahui's Cheng fa yen tsang. Whether Dogen's failure to attribute his appropriation of the title was simply the manner of the day or deliberate obfuscation is open to interpretation and debate. See also Note 3 of Some Problems in Interpretation: The Early and Late Writings of Dogen
- McRae & 2003 123-133.
- Yu, p. 211
- Cleary, p. xi
- see Yu, p. 213 and Cleary, p. xii
- Yu p. 214
- Yu p. 215
- Yu, p. 216
- Ferguson, p. 441
- Cleary, p. xvii
- Schlütter 2008, p. 111.
- Schlütter 2008, p. 109.
- Schlütter 2008, p. 1109.
- Foster & Shoemaker, p. 186
- Buswell 1991.
- McRae 2003, p. 126-133.
- Schlütter 2008.
- Yu, p. 226
- Cleary, p. 63
- Cleary, p. 46
- Dumoulin, p. 258
- Yu p. 225
- Cleary, p. 111
- Xuzangjing Vol. 67, No. 1309, Chinese Buddhist Electronic Text Association
- Cleary, p. xxv-xxvi; Yu, p. 217 and p. 230 n. 8
- Buswell, Robert E. (1991), The "Short-cut" Approach of K'an-hua Meditation: The Evolution of a Practical Subitism in Chinese Ch'an Buddhism. In: Peter N. Gregory (editor)(1991), Sudden and Gradual. Approaches to Enlightenment in Chinese Thought, Delhi: Motilal Banarsidass Publishers Private Limited
- Cleary, J.C., 1997 (2006), Swampland Flowers: the letters and lectures of Zen master Ta Hui, Shambhala, ISBN 978-1-59030-318-4
- Cleary, T.; Cleary, J.C. (1977), The Blue Cliff Record, Shambhala, ISBN 0-87773-622-7
- Cleary, T. & Cleary, J.C., 1994, Zen Letters: teachings of Yuanwu, Shambhala, ISBN 0-87773-931-5
- Dumoulin, Heinrich (1994, 1998) Zen Buddhism: A History, Volume I, India and China, Simon & Schuster and Prentice Hall International ISBN 0-02-897109-4
- Ferguson, Andy (2000) Zen’s Chinese Heritage: the masters and their teachings, Wisdom Publications, ISBN 0-86171-163-7
- Foster, Nelson & Shoemaker, Jack (eds), 1996, The Roaring Stream: a new Zen reader, The Ecco Press, Hopewell, ISBN 0-88001-344-3
- Heine, Steven & Wright, Dale S., 2000, The Koan: texts and contexts in Zen Buddhism, Oxford University Press, ISBN 0-19-511749-2
- Leighton, Taigen Daniel; Yi Wu (1991), Cultivating the Empty Field: the silent illumination of Zen master Hongzhi, North Point Press, ISBN 0-86547-475-3
- Levering, Miriam A Monk's Literary Education: Dahui's Friendship with Juefan Huihong; Chung-Hwa Buddhist Journal, No.13.2 (May 2000) pp. 369–384
- McRae, John (2003), Seeing Through Zen. Encounter, Transformation, and Genealogy in Chinese Chan Buddhism, The University Press Group Ltd, ISBN 9780520237988
- Schlütter, Morten (2008), How Zen became Zen. The Dispute over Enlightenment and the Formation of Chan Buddhism in Song-Dynasty China, Honolulu: University of Hawai'i Press, ISBN 978-0-8248-3508-8
- Watson, Burton, 1993, The Zen Teachings of Master Lin-Chi, Shambhala, ISBN 0-87773-891-2
- Yu, Chun-Fang, 1979, Ta-hui Tsung-kao and Kung-an Ch'an, Journal of Chinese Philosophy, v. 6, p. 211-235