Buddhism Zen Buddhism is divided into two main schools: Rinzai (臨済宗) and Sōtō (曹洞宗), the former greatly favouring the use in meditation on the koan (公案, a meditative riddle or puzzle) as a device for spiritual break-through, and the latter (while certainly employing koans) focusing more on "shikantaza" or "just sitting". Zen Buddhism is primarily found in Japan, with some presence in South Korea and Vietnam. The scholars of Japanese Soto Zen tradition in recent times have critiqued the mainstream Japanese Buddhism for "dhatu-vada", that is assuming things have substantiality, a view they assert to be non-Buddhist and "out of tune
History of Buddhism in India the founder of Zen Buddhism in China. In 580, Indian monk Vinītaruci travelled to Vietnam. This, then, would be the first appearance of Vietnamese Zen, or Thien Buddhism. Padmasambhava, in Sanskrit meaning ""lotus-born"", is said to have brought Tantric Buddhism to Tibet in the 8th century. In Bhutan and Tibet he is better known as "Guru Rinpoche" (""Precious Master"") where followers of the Nyingma school regard him as the second Buddha. Śāntarakṣita, abbot of Nālanda and founder of the Yogacara-Madhyamaka is said to have helped Padmasambhava establish Buddhism in Tibet. Indian monk Atiśa, holder of the "mind training" (Tib. lojong)