Fǎquán 法泉
Northern-Sòng Yúnmén-lineage Chán master. Hào Fóhuì 佛慧 (“Buddha-Wisdom”); commonly known by abbacies as Jiǎngshān Fǎquán 蔣山法泉, Nánmíng Fǎquán 南明法泉, Qiānqǐng Fǎquán 千頃法泉. Personal sobriquet Quán Wànjuàn 泉萬卷 (“Spring of Myriad Scrolls”) for his prodigious reading. Lay surname Shí 時. Native of Suíxiàn 隨縣 (Suízhōu 隨州, modern Húběi). Lifedates unrecorded; flourished mid-to-late 11th century.
Tonsured young at Lóngjūshān Zhìményuàn 龍居山智門院 under Xìnjī chánshī 信玘禪師; dharma-heir of Yúnjū Xiǎoshùn 雲居曉舜 (hào Yáofū 堯夫) in the Yúnmén 雲門 school. Held five successive abbacies at major Sòng Chán monasteries — Dàmíng 大明, Qiānqǐng 千頃, Língyán 靈巖, Nánmíng 南明, and Jiǎngshān 蔣山 (Jiāngdōng Jiànkāng 江東建康, modern Nánjīng) — before being imperially summoned in his later years to serve as abbot of the Dàxiāngguósì Zhìhǎi chányuàn 大相國寺智海禪院 in the capital Kāifēng. Known dharma-heirs include Yōugǔ Yòu 幽谷祐, Xīngguó Fǎyún 興國法雲, and Shūfǔ 殊甫 (per the Xù chuán dēng lù 續傳燈錄 juan 11).
Author of the Zhèng dào gē sòng 證道歌頌 KR6q0177 — 320 four-line harmonizing verses responding to each fragment of Yǒngjiā Xuánjué’s Zhèng dào gē, composed during Fǎquán’s Qiānqǐngshān abbacy and first printed in 1077 with a preface by the layman Wú Yōng 吳庸. Sources: Jiànzhōng Jìngguó xù dēng lù 建中靖國續燈錄 juan 11, Shì shì jī gǔ lüè 釋氏稽古略 juan 4.