Paul. Standing together in this mutual relation, they represent the universal church of Christ; hence in works of art they are seldom separated, and are indispensable in all ecclesiastical decoration. Their proper place is on each side of the Saviour, or of the Virgin throned; or on each side of the altar; or on each side of the arch over the choir. In any case, where they stand together, not merely as Apostles, but Founders, their place is next after the Evangelists and the Prophets.”