Rúyī 如一 (Jífēi Rúyī 即非如一)
Major MíngQīng transitional LínjìYángqí Chán master and co-founder of the Ōbakushū 黃檗宗 (the third school of Japanese Zen). Hào Jífēi 即非 (“Instantly-Not”); also Guǎngshòu Jífēi 廣壽即非, Xuěfēng Jífēi 雪峰即非. Lay surname Lín 林 (descended from the Sòng scholar-official Lín Xīyì 林希逸). Native of Fúqīng 福清 (Fújiàn). Lifedates 1616/6/27 – 1671/6/26 (Wànlì 44/5/14 – Kāngxī 10/5/20, age 56, sēnglà 40, per the xíng yè jì in Jífēi quán lù juan 25).
Tonsured at 17 under Xīlái Hào 西來灝 at Lóngshānsì 龍山寺; received full precepts at 20. Studied under Shíyǔ Míngfāng 石雨明方 and other masters before finally receiving dharma-transmission from Yǐnyuán Lóngqí 隱元隆琦 (1592–1673) at Huángbòshān 黃檗山. Abbot at Xuěfēng Chóngshèngsì 雪峰崇聖寺 in Fújiàn.
Japan emigration (1657): Crossed to Japan at age 42 as one of Yǐnyuán’s senior lieutenants in the Ōbaku emigration-project. Abbot at Nagasaki Shèngshòushān 聖壽山, Chóngfúsì 崇福寺; later Guǎngshòusì 廣壽寺 in Bungo domain. Died at Nagasaki in 1671.
Principal surviving work: the Jífēi chánshī quán lù 即非禪師全錄 KR6q0231 in 25 juan. Dharma-heirs include Xìngtōng 性統 and other Japan-based Ōbaku masters.
Standard study: Baroni, Helen J. 2000. Obaku Zen: The Emergence of the Third Sect of Zen in Tokugawa Japan. University of Hawai’i Press.