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
Buddhism in Vietnam not been recognized by the government; however, in 2007, with 1.5 million followers, the Vietnamese Pure Land Buddhism Association (Tịnh Độ Cư Sĩ Phật Hội Việt Nam) received official recognition as an independent and legal religious organization. Thiền is the Sino-Xenic pronunciation of "Chan" (Japanese "Zen") and is derived ultimately from Sanskrit "dhyāna". The traditional account is that in 580, an Indian monk named Vinitaruci () traveled to Vietnam after completing his studies with Sengcan, the third patriarch of Chan Buddhism. This would be the first appearance of Thiền. The sect that Vinitaruci and his lone Vietnamese disciple founded would