Dhyāna in Buddhism "silent illumination." This became the source of some differences in practice between the Línjì and Cáodòng schools. A kōan, literally "public case", is a story or dialogue, describing an interaction between a Zen master and a student. These anecdotes give a demonstration of the master's insight. Koans emphasize the non-conceptional insight that the Buddhist teachings are pointing to. Koans can be used to provoke the "great doubt", and test a student's progress in Zen practice. Kōan-inquiry may be practiced during zazen (sitting meditation), kinhin (walking meditation), and throughout all the activities of daily life. Kōan practice is particularly emphasized by
Zen Narratives as the expression of a transcendent truth, which according to him was expressed by Mahayana Buddhism, but not by the pragmatic analysis of the oldest Buddhism, which emphasizes anatta. This romantic vision fits into Western romantic notions of self-realization and the true self, being regarded as a substantial essence being covered over by social conditioning: The Traditional Zen Narrative atrracted the interest of Beat poets and writers in the 1950s: Contemporary research on Buddhism has shed new light on the history of Chan and Zen. Since the 1960s the scientific research on Zen has created another narrative of Zen. The