Eternally Sure from Brian Branam on Vimeo.
Something was going on in the early church that was causing a lack of assurance as well as a lack of holy living. False teaching was and still is the culprit. In our church culture the issue of salvation has become extremely cloudy with lots of competitive teaching. In 1 John we see the causes of doubt as disfellowship, immoral living, false teaching, and ignorance. John had an experience with Christ that led to his own assurance. This is the sort of assurance we desire. It is one that is closely tied to the nature of who Jesus is.