A koan is a narrative or dialogue used to provoke the "great doubt" and test a student's progress in Zen practice. The Mu Koan consists of a brief conversation in which a monk asks master Zhaozhou Congshen whether or not a dog has Buddha-nature. The reply is Mu: literally, ''No.'' This case is widely considered to be the single best known and most widely circulated and transmitted koan record of the Zen school of Buddhism. The Mu Koan is especially well known for th... >Voir plus