穷诸玄辩 (窮諸玄辯) qióng zhū xuán biàn

qióng zhū xuán biàn set phrase to fathom all deep discussions
Domain: Buddhism 佛教 , Subdomain: Chan School
Notes: Quote: from Koan 4 of 碧巖錄 “Blue Cliff Record” (retranslated from Ch’ung-hsien, K’o-ch’in, and Thomas F. Cleary trans. 1998, p. 30; T 2003, Scroll 1; Ding '窮諸玄辯'; FGDB '窮諸玄辯'; SH '窮諸玄辯')