In Japanese Buddhism,
satori is a "first step" or embarkation toward
Buddhahood: The student's mind must be prepared by rigorous study, with the use of
koans, and the practice of
meditation to concentrate the mind, under the guidance of a teacher. Koans are short anecdotes of verbal exchanges between teachers and students, typically of the
Song dynasty, dealing with Buddhist teachings. The
Rinzai school utilizes classic collections of koans such as
The Gateless Barrier.
The Gateless Barrier was assembled by the early 13th-century Chinese Zen master
Wumen Huikai. Wumen struggled for six years with koan "Zhaozhou's dog", assigned to him by Yuelin Shiguan (月林師觀; Japanese: Gatsurin Shikan) (1143–1217), before attaining
kenshō. After his understanding had been confirmed by Yuelin, Wumen wrote the following enlightenment poem: ==See also==