A '''koan''' is a teaching riddle used in the [[Zen Buddhism|Zen]] (also known as ''Ch'an'') [[Buddhism|Buddhist]] tradition. Probably the most universally recognized example of a koan is: "What is the sound of one hand clapping?", commonly attributed to the Buddhist teacher Hakuin Ekaku. | A '''koan''' is a teaching riddle used in the [[Zen Buddhism|Zen]] (also known as ''Ch'an'') [[Buddhism|Buddhist]] tradition. Probably the most universally recognized example of a koan is: "What is the sound of one hand clapping?", commonly attributed to the Buddhist teacher Hakuin Ekaku. |