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
Zen at War Wisdom [of Enlightenment]. The unity of Zen and war of which I speak extends to the farthest reaches of the holy war [now under way]." The book also explores the actions of Japanese Buddhists who opposed the growth of militarism. The 2002 edition of "Zen at War" was followed by "Zen War Stories", which further explores the intimate relationship between Japanese institutional Buddhism and militarism during World War II. Victoria draws from his own study of original Japanese documents, but also uses the publications of Ichikawa Hakugen, a Rinzai-priest and a scholar who taught at Hanazono University in Tokyo. Hakugen's