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
History of Buddhism the Chinese monk Xuanzang traveled to India, bringing back 657 Buddhist texts along with relics and statues. He established a famed translation school in the Tang capital of Chang'an (today's Xi'an), focusing on Yogacara school texts. Also during the Tang, Chinese Esoteric Buddhism was introduced from India. The Tang dynasty also saw the growth of Chan Buddhism (Zen), with the great Zen masters such as Mazu Daoyi and Linji Yixuan. In the later Tang, Chinese Buddhism suffered a setback during the Great Anti-Buddhist Persecution of 845. Buddhism recovered during the Song Dynasty (960–1279), which is known as the "golden age"