At the close of the first century, John spoke of the last days, a period of time that has extended from John’s day until the present. In this study, Pastor Jack brings out two important issues that characterize these last days that will be under attack; doctrinal purity and perseverance. Since we are almost 2000 years past the time of John’s writing, we need to all the more pay attention to the warnings that John gave to the Early Church.