|Mark Dever in What is a healthy church:|
Sometimes college campus ministries will ask me to speak to their students. I’ve been known, on several occasions, to begin my remarks this way: “If you call yourself a Christian but you are not a member of the church you regularly attend, I worry that you might be going to hell.”
You could say that it gets their attention. Now, am I just going for shock value? I don’t think so. Am I trying to scare them into church membership? Not really. Am I saying that joining a church makes someone a Christian? Certainly not! Throw any book (or speaker) out the window that says as much.
So why would I begin with this kind of warning? It’s because I want them to see something of the urgency of the need for a healthy local church in the Christian’s life and to begin sharing the passion for the church that characterizes both Christ and his followers.... More here