The kōan school — awakening arrives like a shout.
The Zen line brought to Japan by Eisai: koan practice under a demanding teacher, driving the reasoning mind to exhaustion so that insight breaks through suddenly.
DeitiesNone — no god at the center
Founded1191 CE · Japan
FounderEisai
AfterlifeRebirth, until awakening
TextsKōan collections
The map
Rinzai’s corner of it — solid lines are descent; dotted lines are resemblance only, ideas held in common across unrelated faiths. Click a node to recenter; ✕ returns here. All 171 faiths →
c. 1500 BCE Vedic Religion c. 480 BCE Buddhism 100 CE Mahāyāna 520 CE Zen 1191 CE Rinzai
The koan breaks thought open.
A question with no reasonable answer, held until reason gives way.
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Awakening arrives like a shout.
Kensho is sudden — the Rinzai hall is loud on purpose.
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Sanzen — the interview.
The student brings their kōan answer to the master's room; most answers die there.
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