In the late Heian Period, the declining aristocracy and the rise of warriors and armed priests threw the nation into turmoil, and the people's anxiety nurtured the Mujokan (Buddhist concept of the impermanence of worldly things) and Mappo-shiso (belief in the "end of the world") propagated by Genshin and others.
平安時代も後期になり、貴族の政治が衰え武士の台頭、僧兵の出現などにより争乱の不安定な時代を迎えるにつれ、民衆の不安感から源信らによる無常観、末法思想が広まっていった。