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
Japanese Zen Prince after the war. His greatest work is the 5-volume "Zen and Zen Classics", published in the 1960s. Here he discusses Zen themes from a philosophical standpoint, often in conjunction with Christian elements in a comparative spirit. His essays include "God, Buddha, and Buddhahood" and "Zen, Sin, and Death". The British philosopher Alan Watts took a close interest in Zen Buddhism and wrote and lectured extensively on it during the 1950s. He understood Zen as a vehicle for a mystical transformation of consciousness, and also as a historical example of a non-Western, non-Christian way of life that had fostered both