Zen personal trouble or crisis. Though Zen-narrative states that it is a "special transmission outside scriptures" which "did not stand upon words", Zen does have a rich doctrinal background, which is firmly grounded in the Buddhist tradition. It was thoroughly influenced by the Chinese understanding of Yogacara and the Buddha-nature doctrine, Zen integrates both Yogacara and Madhyamaka and the influence of Madhyamaka can be discerned in the stress on non-conceptual insight and the paradoxical language of the koans. Most essential are "the most fundamental teaching that we are already originally enlightened", and the Bodhisattva ideal, which supplements insight with Karuṇā, compassion
History of Buddhism later Kamakura period (1185-1333), there were six new Buddhist schools founded which competed with the older Nara schools and are known as "New Buddhism" or "Kamakura Buddhism." They include the influential Pure Land schools of Hōnen (1133–1212) and Shinran (1173–1263), the Rinzai and Soto schools of Zen founded by Eisai (1141–1215) and Dōgen (1200–1253) as well as the Lotus sutra school of Nichiren (1222–1282). Japanese Buddhist art was especially productive between the 8th and 13th centuries during Nara period (710-794), Heian period (794-1185) and Kamakura period (1185-1333). Buddhism, especially Zen, remained culturally influential during the Ashikaga period (1333–1573) and the