Shitou Xiqian (石头希迁 / 石頭希遷 - Shitou Xiqian, posthumously honored by Tang Emperor Dezong as Wuji Dashi - 無際大師, rendered in Sanskrit as शिलाप्रज्ञा - Śilāprajñā or अनन्तध्यानगुरु - Anantadhyānaguru, and in Tibetan as རྡོ་ཕ་བོང་གི་བསམ་གཏན་སློབ་དཔོན། rdo pha bong gi bsam gtan slob dpon Dopawong Gi Samten Lopön, universally revered across China, Japan, Korea, Vietnam, Taiwan, Hong Kong, and the global Buddhist world as the towering 8th century Chinese Chan patriarch who composed the Cantongqi), acclaimed throughout Tang dynasty Buddhist history as the supreme lineage bridge linking Qingyuan Xingsi to the Caodong (Soto), Yunmen, and Fayan houses of Chan, stands as one of the foremost contemplative poets and philosophers of East Asian Buddhism. With his year of birth in 700 and his year of death in 790, Shitou Xiqian was born with the secular surname Chen in Gaoyao (Duanzhou, Guangdong Province) in southern China. Recognizing the pervasive reality of anicca and dukkha in childhood after witnessing local villagers slaughtering oxen for animal sacrifices, young Shitou Xiqian bravely destroyed the sacrificial shrines, practiced fearless renunciation, took formal refuge in the Buddha, the Dharma, and the Sangha, and became a novice disciple under the Sixth Patriarch Huineng (638–713) at Nanhua Monastery at Caoxi at the age of thirteen.
When Huineng entered final parinirvana in 713 before Shitou Xiqian could receive full bhikshu ordination, the dying Sixth Patriarch famously instructed the young novice to seek out his senior Dharma heir Qingyuan Xingsi (660–740) at Mount Qingyuan. Following his full ordination in the Vinaya Pitaka lineage at Luofu Mountain in 728 while upholding strict monastic precepts and ethical conduct, Shitou Xiqian journeyed to Jingju Monastery on Mount Qingyuan in Jiangxi Province, where he practiced intensive meditation, mindfulness, and concentration under Qingyuan Xingsi, experiencing sudden, total awakening when Qingyuan Xingsi challenged his understanding of both the conventional and ultimate truths.
In 742, two years after Qingyuan Xingsi's passing, Shitou Xiqian traveled to Nanyue (Mount Heng) in Hunan Province, where he built a modest contemplative hermitage atop a massive flat boulder behind Nantai Monastery, earning the affectionate monastic sobriquet Shitou (Stonehead or Master of the Stone). Dwelling quietly upon his mountain rock for nearly five decades, Shitou Xiqian became renowned alongside his contemporary Mazu Daoyi (709–788) in Jiangxi Province as one of the two supreme Chan beacons of Tang dynasty China, with seekers traveling back and forth between Mazu Daoyi and Shitou Xiqian to test their realization.
Through his austere mountain hermitage at Nanyue, Shitou Xiqian trained an extraordinary constellation of Dharma heirs—most notably Yaoshan Weiyan (745–828), Tianhuang Daowu (748–807), Danxia Tianran (739–824), and Zhaoti Huilang (738–820)—thereby serving as the direct ancestral patriarch of three of the Five Houses of Chan: the Caodong (Soto) tradition founded by Dongshan Liangjie (807–869) and Caoshan Benji (840–901), the Yunmen tradition founded by Yunmen Wenyan (864–949), and the Fayan tradition founded by Fayan Wenyi (885–958).
Literarily, Shitou Xiqian bequeathed two immortal poetic masterpieces preserved in the Chinese Tripitaka and chanted daily across Chan and Soto Zen monasteries throughout China, Japan, Korea, Vietnam, and the West: the Cantongqi (Harmony of Difference and Sameness, included in the Jingde Chuandeng Lu, Taisho Number 2076 in the Chinese Tripitaka), composed after reading Sengzhao's Zhaolun (Taisho Number 1858), and the Caoxian Ge (Song of the Grass-Roof Hermitage), alongside his recorded dialogues in the Zutang Ji and Wudeng Huiyuan, all deeply rooted in the Avatamsaka Sutra (Taisho Number 279, corresponding to Toh Number 44 in the Tibetan Tripitaka), the Vajracchedika Prajnaparamita Sutra (Diamond Sutra, Taisho Number 235, corresponding to Toh Number 16), and Huineng's Platform Sutra (Taisho Number 2008).
Philosophically and contemplatively, Shitou Xiqian articulated in the Cantongqi the non-dual interpenetration of darkness (absolute emptiness) and light (relative phenomena), demonstrating that within light there is darkness and within darkness there is light, like foot before and foot behind in walking. Harmonizing Nagarjuna's Madhyamaka dialectics regarding emptiness (शून्यता - śūnyatā; སྟོང་པ་ཉིད། stong pa nyid Tongpanyid) and dependent origination, Asanga's Yogacara phenomenology, and the luminous Buddha-nature (tathagatagarbha) revelations of Maitreya's Uttaratantra Shastra (Toh Number 4024, and Taisho Number 1611), Shitou Xiqian taught that every ordinary moment of everyday life—chopping wood, carrying water, or sitting in silence—is the complete manifestation of Buddha-nature.
Guiding practitioners to sever attachment to the five aggregates, anatta, emptiness of self, karma, and rebirth across samsara and nirvana, Shitou Xiqian anchored his solitary hermitage practice and skillful means in Shakyamuni Buddha's foundational teachings on the Four Noble Truths, the Noble Eightfold Path, generosity, merit, loving-kindness, compassion, equanimity, right view, non-attachment, and universal bodhicitta to extinguish the three poisons across the six realms.
Passing into final parinirvana at Nantai Monastery on Mount Heng in 790 at the venerable age of ninety-one amidst deep veneration from his disciples and the entire Sangha, Shitou Xiqian left an immortal poetic and contemplative legacy that continues to resonate every morning in monastic halls worldwide. Revered forever across China, Korea, Japan, and Vietnam as the sage of the boulder hermitage, Shitou Xiqian stands alongside Bodhidharma, Huineng, Qingyuan Xingsi, Mazu Daoyi, and Dongshan Liangjie as a supreme guardian of the Middle Way.