Between the pre–New Testament creeds and the New Testament documents themselves, we have the original beliefs that defined Christianity and made it unique in the world. Sure, things went haywire from there. Even in the first century, heresies and false versions of Christianity began finding their way into the communities of believers who claimed the name of Christ. But if we look at church history as a whole, every reformation was an attempt to get back to the earliest, most biblical, and most authentic version of Christianity.
