In this message, we're reminded of our calling to be lights in a dark world. The sermon takes us on a journey through the seven churches of Revelation, each with its own struggles and triumphs. We're challenged to consider: Are we holding fast to our faith? Are we maintaining sound doctrine? Are we repenting when necessary? The imagery of changing light bulbs serves as a poignant metaphor for our need to continually renew our spiritual fervor. We're encouraged to see our churches not just as buildings, but as beacons of hope in our communities. The message emphasizes the importance of leadership, fellowship, and staying true to God's Word in the face of societal pressures. As we reflect on these ancient churches, we're prompted to examine our own spiritual temperature. Are we hot, cold, or lukewarm in our faith? This sermon reminds us that our commitment to Christ should be evident in our daily lives, shining brightly for all to see.