Zen Chinese Caodong school, which was founded during the Tang Dynasty by Dongshan Liangjie. The Sōtō-school has de-emphasized kōans since Gentō Sokuchū (circa 1800), and instead emphasized on shikantaza. Dogen, the founder of Soto in Japan, emphasized that practice and awakening cannot be separated. By practicing shikantaza, attainment and Buddhahood are already being expressed. For Dogen, zazen, or shikantaza, is the essence of Buddhist practice. Gradual cultivation was also recognized by Dongshan Liangjie. Contrary to the popular image, literature does play a role in the Zen-training. Zen is deeply rooted in the teachings and doctrines of Mahāyāna Buddhism. "Unsui", Zen-monks, "are
Japanese Zen Prince after the war. His greatest work is the 5-volume "Zen and Zen Classics", published in the 1960s. Here he discusses Zen themes from a philosophical standpoint, often in conjunction with Christian elements in a comparative spirit. His essays include "God, Buddha, and Buddhahood" and "Zen, Sin, and Death". The British philosopher Alan Watts took a close interest in Zen Buddhism and wrote and lectured extensively on it during the 1950s. He understood Zen as a vehicle for a mystical transformation of consciousness, and also as a historical example of a non-Western, non-Christian way of life that had fostered both