Zen expected to become familiar with the classics of the Zen canon". A review of the early historical documents and literature of early Zen masters clearly reveals that they were well versed in numerous Mahāyāna Buddhist sūtras, including Madhyamaka. Especially the Lotus Sutra played a large role in the development of East Asian Buddhism, including Zen. Nevertheless, Zen is often pictured as anti-intellectual. This picture of Zen emerged during the Song Dynasty (960–1297), when Chán became the dominant form of Buddhism in China, and gained great popularity among the educated and literary classes of Chinese society. The use of koans, which
Kwan Um School of Zen that Seungsahn had previously had sexual relations with a few of his female students. According to Sandy Boucher in "Turning the Wheel: American Women Creating the New Buddhism": James Ishmael Ford had this to say on the relationships: Kwan Um School of Zen The Kwan Um School of Zen (관음선종회) (KUSZ) is an international school of zen centers and groups founded in 1983 by Seungsahn. The school's international head temple is located at the Providence Zen Center in Cumberland, Rhode Island, which was founded in 1972 shortly after Seungsahn first came to the United States. The Kwan Um style of