Listen to the full-length version or read the manuscript of this message here: https://wfth.me/postcards.  New believers often think that, because they've been saved, life from now on will be a picnic. The truth is, however, that the Christian walk is a battlefield, with pummeling enemy fire and hard-fought victories. Throughout Scripture we are charged to put on our armor and use every weapon the Lord has given us for battle with the enemy. Here, the Apostle John warns us to stay alert, so we don't lose the ground we've gained or forfeit our full reward in heaven.