What they did have is the joy of the Holy Spirit. They became examples to all who believe in that certain area. I want to be an example for believers too. From the Christians in Thessalonica to that whole area they didn’t keep it to themselves. In our day sometimes the truth of the gospel stays within the walls of the church building. More than ever we pay preachers to do what we should do.
These Christians turned from idols to serve the living and true God and to waist for His Son from Heaven. Are we waiting? This whole first letter emphasizes that. Then in light of that how we are to live.