Object: a light bulb
Good morning, boys and girls. How are my favorite light bulbs doing? Did you know you're a light bulb? Well, you are. Light bulbs are really neat things. They're made of glass, and they have these little wires inside that light up really bright when they get hot. How come this light bulb is not lit up right now? Why can't we turn it on? That's right, because it's not connected to a source of power. Before this light bulb can be lit up, it has to be …
Dynamic Preaching, Collected Sermons, by King Duncan