Buddhism Zen Buddhism is divided into two main schools: Rinzai (臨済宗) and Sōtō (曹洞宗), the former greatly favouring the use in meditation on the koan (公案, a meditative riddle or puzzle) as a device for spiritual break-through, and the latter (while certainly employing koans) focusing more on "shikantaza" or "just sitting". Zen Buddhism is primarily found in Japan, with some presence in South Korea and Vietnam. The scholars of Japanese Soto Zen tradition in recent times have critiqued the mainstream Japanese Buddhism for "dhatu-vada", that is assuming things have substantiality, a view they assert to be non-Buddhist and "out of tune
Zen altar where one prays to and communicates with deceased family members. As such, reciting liturgy in Zen can be seen as a means to connect with the Bodhisattvas of the past. Liturgy is often used during funerals, memorials, and other special events as means to invoke the aid of supernatural powers. Chanting usually centers on major bodhisattvas like Avalokiteśvara (see Guanyin) and Manjushri. According to Mahayana Buddhism, bodhisattvas are beings who have taken vows to remain in saṃsāra to help all beings achieve liberation from it. Since the Zen practitioner's aim is to walk the bodhisattva path, chanting can be