One hot summer day, a young pastor decided to change the oil in his automobile for the very first time in his life. He had purchased five quarts of oil, a filter wrench, and a bucket in which to drain the used oil. He carefully and gently drove the car onto the shiny, yellow ramps and eased his way underneath his vehicle.

Unfortunately, lying there on his back, all he could see when he looked up was a confusing mass of hoses, wires, and unknown metal objects of various sizes and shapes. Uh-oh! "I'll never be able to get through this," he moaned aloud. "I can't even find the oil pan or the plug. This filter wrench doesn't look like any other wrench in my tool box. Everybody will laugh at me now."

Suddenly he heard a tiny voice exclaim, "I won't laugh at you, pastor. Let me show you someth…