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
Zen (Ch. 五家) of Zen, or five "schools". These were not originally regarded as "schools" or "sects", but historically they have come to be understood that way. Most Zen lineages throughout Asia and the rest of the world originally grew from or were heavily influenced by the original five houses of Zen. After the fall of the Tang Dynasty, China was without effective central control during the Five Dynasties and Ten Kingdoms Period. China was divided into several autonomous regions. Support for Buddhism was limited to a few areas. The Hua-yen and T'ient-tai schools suffered from the changing circumstances, since they