A prayer taught by Christ (Luke 11:2-4; Matthew 6:9-15) and therefore the most revered and oft-used formula of the Christian religion, frequent in Liturgy. The strictly correct form is that in use among Catholics, the termination "For thine is the kingdom, and the power and the glory" used by Protestants being an interpolation. It is referred to as the Pater Noster as these are the first two words of the prayer in Latin.