Prayer might be broadly defined as the address to God or the gods in prose or expressive form. The phenomenon must be considered to belong to the deepest and most immediate expressions of that sense of human contingency and dependency on the divine that is encountered in every religion. Invocation of the deity is a constituent of worship, in which prayer is offered in the context of an act of sacrifice in the temple precinct. Prayer is also ubiquitous in the non-sacrificial gatherings of the Jewish synagogue or Christian church which take the form of ...