Japanese Zen and the Zen priest's function has largely been reduced to officiating at funerals, a practice sarcastically referred to in Japan as . For example, the Sōtō school published statistics stating that 80 percent of laity visited temples only for reasons having to do with funerals and death. Mahayana Buddhism teaches śūnyatā, "emptiness", which is also emphasized by Zen. But another important doctrine is the buddha-nature, the idea that all human beings have the possibility to awaken. All living creatures are supposed to have the Buddha-nature, but don't realize this as long as they are not awakened. The doctrine of an
An Introduction to Zen Buddhism after the 1927 publication of his book "Zen Essays", which he decided would be "too heavy" as an introduction to Zen for beginners. Suzuki intended the resultant volume, 1934's "An Introduction to Zen Buddhism", to be used as a companion with the contemporaneously published "Manual of Zen Buddhism". "An Introduction to Zen Buddhism" was published in 1934 in Kyoto by the Eastern Buddhist Society. The Marshall Jones Company of Boston oversaw first publication in the United States. The 1939 German language edition was published with a preface by Carl Jung. In 1949, the book was reprinted in London and New