Japanese Zen expressions of this selfless existence. Zen emphasizes zazen, meditation c.q. dhyana in astting position. In Soto, the emphasis is on shikantaza, 'just sitting', while Rinzai also uses koans to train the mind. In alternation with zazen, there is walking meditation, "kinhin", in which one walks with full attention. To facilitate insight, a Zen teacher can assign a kōan. This is a short anecdote, which seems irrational, but contains subtle references to the Buddhist teachings. An example of a kōan is Joshu's 'Mu': "A monk asked: "Does a dog have buddha-nature?" Joshu responded: "Mu!"" Zen-meditation aims at "non-thinking," in Japanese "fu
Katsu (Zen) Katsu (Zen) Katsu (Japanese: 喝; Cantonese: "", Pinyin: "hè", Wade-Giles: "ho") is a shout that is described in Chán and Zen Buddhism encounter-stories, to expose the enlightened state (Japanese: "satori") of the Zen-master, and/or to induce initial enlightenment experience in a student. The shout is also sometimes used in the East Asian martial arts for a variety of purposes; in this context, "katsu" is very similar to the shout "kiai". The word in Chinese means literally "to yell" or "to shout". In Japanese it has also developed the meaning of "to browbeat", "to scold", and "hoarse". In the context of