This book is also included in our Reader's Guide on The Works of the Zen in the Tang Dynasty where you will find other important Zen classics.

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Yunmen Wenyan (c. 864–949) was a master of the Chinese Zen (Chan) tradition and one of the most influential teachers in its history, showing up in many famous koans—in one of which he’s credited with the famous line, “Every day is a good day.” His teachings are said to permeate heaven and earth, to address immediately and totally the state and conditions of his audience, and to cut off even the slightest trace of duality. In this classic study of Master Yunmen, historian and Buddhist scholar Urs App clearly elucidates the encompassing and penetrating nature of Yunmen’s teachings, provides pioneering translations of his numerous talks and dialogues, and includes a brief history of Chinese Zen, a biography of the master, and a wealth of resource materials.