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
Enlightenment in Buddhism "anicca", "dukkha" and "anatta". Insight leads to the four stages of enlightenment and Nirvana. In Mahayana Buddhism Prajna (Sanskrit) means "insight" or "wisdom", and entails insight into "sunyata". The attainment of this insight is often seen as the attainment of "enlightenment". "Kensho" and "Satori" are Japanese terms used in Zen traditions. "Kensho" means "seeing into one's true nature." "Ken" means "seeing", "sho" means "nature", "essence", c.q Buddha-nature. "Satori" (Japanese) is often used interchangeably with kensho, but refers to the "experience" of kensho. The Rinzai tradition sees "kensho" as essential to the attainment of Buddhahood, but considers further practice essential to