Eisai Buddhist Japan: the "Lotus Sutra", "Golden Light Sutra", and the "Humane King Sutra" ("Ninnōkyō"). Eisai’s famous written piece, the "Kōzen gokokuron" or "The Promotion of Zen for the Protection of the Country", was heavily influenced by the "Ninno kyo" which states “the preservation of Buddhism is inextricably bound to the preservation of their own country”. The "Kōzen gokokuron" was written with the intention to correct established schools of Buddhism by giving them examples of moral practice and to convince the Minamoto military rulers to support Zen Buddhism and a Zen government. The writing promotes the Zen ideals to bring Buddhism
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