 Visit StephenWay.com for more details. See dealer for details. This Saturday, Henry Mueller will change the world. He has no idea that's what he's going to do. He only knows that he went to JustServe.org and signed up to spend time at a senior center Saturday morning. As he browsed through service opportunities in his own community, he remembered the words of Paul to the Galatians, By love, serve one another.