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
The Tao of Zen to do in this book is vindicate the importance of Taoist thought in the Chinese religious history and displace the notion of Zen Buddhism as a coherent whole. To him, these are very different spiritual systems that only coexist today because of the almost wholly unacknowledged lingering of the original Buddhist colonization of Taoist China. The popularity of Zen today owes much more to its persistent Taoist origins than to Buddhist doctrine. The Tao of Zen The Tao of Zen is a nonfiction book by Ray Grigg, published by Charles E. Tuttle Company in 1994, and reprinted by Alva Press