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
Zen scriptures texts. However, Zen is deeply rooted in the teachings and doctrines of Mahāyāna Buddhism and gradually developed its own literature. What the Zen tradition emphasizes is that enlightenment of the Buddha came not through conceptualization, but rather through direct insight: But direct insight has to be supported by study and understanding ("hori" of the Buddhist teachings and texts. Hakuin goes as far as to state that the buddhist path even "starts" with study: Intellectual understanding without practice is called "yako-zen", "wild fox Zen", but "one who has only experience without intellectual understanding is a "zen temma", "Zen devil"". The early