In fact, "in this one and only Church of God from its very beginnings there arose certain rifts, which the Apostle strongly censures as damnable. But in subsequent centuries much more serious dissensions appeared and large communities Became separated from full Communion with the Catholic Church - for which, Often enough, men of both sides were to blame." 269 The ruptures that wound the Unity of Christ's Body - here we must distinguish heresy, apostasy, and schism 270 - do not occur without human Sin: