Family of Gautama Buddha said to have sung the praises of Devadatta in Rajagaha. After some time, Devadatta developed siddhis and his intention is said to have been corrupted. After gaining these siddhis, Devadatta attempted to kill the Buddha on several occasions, commonly thought to be motivated by jealousy of the Buddha's power. He is reported to have rolled a boulder toward the Buddha, piercing his flesh, and to have incited an elephant to charge at the Buddha. Devadatta then attempted to split the sangha into two, with one faction led by himself and the other by the Buddha. However, this attempt failed as
Shinji Takahashi (religious leader) a follower of the Zuihoukai, listened to Takahashi's teachings at a workshop at Mt. Izuru in Tochigi prefecture, the entire Zuihoukai religious association merged with, and converted to, the teachings of the Shinkoukai. Since the Zuihoukai was an organization that had obtained corporate status as a religious corporation, the Shinkoukai became known as the "Shinkoukai Religious Corporation". After the merger, "Shinkoukai" was renamed with an English name, the "God Light Association" (GLA), taking the internationalization of this organization into consideration. The organization became known as the GLA Religious Corporation, and the Zuihoukai became the GLA Religious Corporation Kansai Headquarters. It