By contrast, Anglicanism and Methodism, also considered forms of Protestantism, uphold the doctrine of , with scripture being illumined by tradition, reason and experience, thus completing the four sides of, in Methodism, the Wesleyan Quadrilateral. The Eastern Orthodox Church holds that to "accept the books of the canon is also to accept the ongoing Spirit-led authority of the church's tradition, which recognizes, interprets, worships, and corrects itself by the witness of Holy Scripture". The Catholic Church officially regards tradition and scripture as equal, as interpreted by the Roman magisterium and describes this as "one common source ... with two distinct modes of transmission", while some Protestant authors call it "a dual source of revelation".