So, although Scripture is our sole infallible authority, we must interpret it within the boundaries of the so-called “ecumenical” (meaning universally held) creeds, such as the Apostles and Nicene creeds which faithfully express the fundamental doctrines of the New Testament. Indeed, the Reformers considered agreement with these creeds as necessary for a genuine Christian profession, and rightly so since the creeds define the essential doctrines of orthodoxy which all the cults deny.