According to the Jewish Encyclopedia, the historic requirement for priests to first wash their hands, together with the classical rabbinical belief that non-priest were also required to wash their hands before taking part in a holy act, such as prayer, was adhered to very strongly, to the extent that Christianity adopted the practice, and provided worshippers with fountains and basins of water in Churches, in a similar manner to the "Molten Sea" in the Jerusalem Temple functioning as a laver.[30][31] Although Christianity did not adopt the requirement for priests to wash feet before worship, in Islam the practice was extended to the congregation and expanded into wudu.[3]