Yuquan Shenxiu (玉泉神秀, देवप्रभ - Devaprabha; ཡུས་ཆོན་ཧྲེན་ཞིའུ། yus chon hren zhi'u Yüchön Shenzhiu, universally revered across China, Japan, Korea, and East Asia as Datong Chanshi - 大通禪師, Chan Master of Great Penetration, and in Japan as Gyokusen Jinshū), acclaimed throughout East Asian Buddhist history as the senior, encyclopedically learned disciple of the Fifth Patriarch Hongren (601–674) and the founding patriarch of the Northern School of Chan Buddhism, stands as one of the most illustrious 7th century and 8th century contemplative masters and imperial preceptors in the Chinese Tripitaka. With his year of birth around 606 and his year of death in 706, Yuquan Shenxiu was born into the aristocratic Li clan in Weishi (near Kaifeng) in Henan province, China. Gifted with towering physical stature, scholarly brilliance, and deep spiritual sensitivity from early youth, he mastered the Confucian classics, Daoist philosophy, and the complete Chinese Tripitaka—including the Vinaya Pitaka, Abhidharma, Madhyamaka, and Yogacara treatises—before recognizing the pervasive reality of anicca and dukkha, practicing fearless renunciation, taking formal refuge in the Buddha, the Dharma, and the Sangha, and receiving full monastic ordination at Tiangong Monastery in Luoyang in the Dharmaguptaka Vinaya Pitaka lineage while upholding strict monastic precepts and ethical conduct.
Around 651, at the age of forty-five, Yuquan Shenxiu journeyed to Dongshan Monastery on East Mountain in Huangmei (Hubei province) to study directly under the Fifth Patriarch Hongren, dedicating himself for six years to humble communal labor—chopping firewood, carrying water, and tending the monastery—alongside single-pointed meditation, mindfulness, and concentration. Recognizing Yuquan Shenxiu's extraordinary erudition and contemplative maturity, Hongren appointed him head monk and senior lecturer of the East Mountain community, praising him as a master capable of expounding the Dharma to the entire empire.
During the famous verse-writing assembly convened by Hongren around 661 to test his disciples' realization, Yuquan Shenxiu inscribed upon the monastery corridor wall the celebrated stanza comparing the body to the Bodhi tree and the mind to a bright mirror stand that must be wiped diligently at all times so no dust can alight—a profound expression of gradual contemplative vigilance later contrasted in the Platform Sutra of the Sixth Patriarch (Taisho Number 2008 in the Chinese Tripitaka) with Huineng's sudden-enlightenment verse proclaiming that Bodhi has no tree and originally not a single thing exists. Following Hongren's parinirvana in 674, Yuquan Shenxiu withdrew to Yuquan Monastery (Jade Spring Monastery) on Mount Yuquan in Jingzhou (Hubei province), where his radiant presence and luminous teaching drew thousands of disciples from across China.
In 700–701, at the extraordinary age of over ninety, Yuquan Shenxiu accepted repeated, humble invitations from Empress Wu Zetian to visit the Tang imperial capital of Luoyang; upon his arrival, Empress Wu Zetian knelt personally before him to touch her forehead to his feet, carried him into the palace in an imperial litter, and appointed him National Preceptor (Guoshi) and Master of the Two Capitals (Luoyang and Chang'an), elevating Chan Buddhism for the first time to the pinnacle of imperial patronage while Yuquan Shenxiu himself graciously praised his southern Dharma brother Huineng (638–713) at Caoxi as the true recipient of Hongren's esoteric transmission.
Literarily, Yuquan Shenxiu's penetrating contemplative treatises and dialogues were preserved in the Chinese Tripitaka—most notably the Guanxin Lun (觀心論, Treatise on Contemplating the Mind, Taisho Number 2833, also preserved in Dunhuang manuscripts as Poxiang Lun, Treatise on Breaking Forms), the Dasheng Wusheng Fangbian Men (大乘無生方便門, Mahayana Expedient Means of Non-Arising, Taisho Number 2834), and biographical records in Jingjue's Lengqie Shizi Ji (Taisho Number 2837) and the Jingde Chuandeng Lu (Taisho Number 2076). Synthesizing the direct mind-pointing of Bodhidharma with the Lankavatara Sutra (Taisho Number 670 and Toh Number 107 in the Tibetan Tripitaka), the Lotus Sutra (Taisho Number 262 and Toh Number 113), and the Vimalakirti Nirdesa Sutra (Taisho Number 475 and Toh Number 176), his treatises became foundational manuals for early Chan practitioners in both China and Tibet.
Philosophically and contemplatively, Yuquan Shenxiu articulated the Northern School's signature pedagogy of “Separating from Thoughts” (Linian, 離念) and continuous mindful vigilance, explaining that while all sentient beings possess innate, primordially pure Buddha-nature (tathagatagarbha) like a bright mirror, layers of beginningless habitual dust obscure its radiance, requiring steadfast mindfulness, meditation, and concentration to prevent deluded thoughts from arising. Harmonizing Nagarjuna's Madhyamaka dialectics regarding emptiness (शून्यता - śūnyatā; སྟོང་པ་ཉིད། stong pa nyid Tongpanyid) and dependent origination with Asanga's Yogacara phenomenology and Maitreya's Uttaratantra Shastra (Toh Number 4024 and Taisho Number 1611), Yuquan Shenxiu taught practitioners to contemplate their own mind as the true source of all merit, demonstrating that clinging to the five aggregates, anatta, emptiness of self, karma, and rebirth across samsara and nirvana dissolves naturally into clear right view and non-attachment.
Throughout his long career as abbot of Yuquan Monastery and preceptor to the imperial court—training illustrious disciples such as Songyue Puji (651–739), Jingjue (683–750), and Yifu (658–736), whose lineages later transmitted early Chan teachings into Tibet via Moheyan and into Japan via Dōsen (702–760)—Yuquan Shenxiu anchored contemplative practice in Shakyamuni Buddha's foundational teachings on the Four Noble Truths, the Noble Eightfold Path, generosity, merit, loving-kindness, compassion, equanimity, skillful means, and universal bodhicitta to uproot the three poisons of greed, hatred, and delusion across the six realms.
Passing into final parinirvana at Tiangong Monastery in Luoyang in 706 at the venerable age of approximately one hundred seated upright in the lotus posture after uttering his final three-word testament (“Bending, curving, straight”) amidst extraordinary auspicious signs and national mourning declared by Emperor Zhongzong of Tang, Yuquan Shenxiu was posthumously honored with the imperial title Datong Chanshi (Chan Master of Great Penetration)—the very first Chan master in history to receive an imperial posthumous title. Revered as the towering patriarch of the Northern School who established Chan across the great capitals of East Asia, Yuquan Shenxiu stands forever alongside Bodhidharma, Daoxin, Hongren, Huineng, and Nagarjuna as a supreme guardian of the Middle Way.