While Nicholas Taylor was boarding a train in Perth, Australia, his leg became wedged in the gap between the platform and a commuter car. When safety officials could not free him, they coordinated the efforts of nearly 50 passengers who lined up and, on the count of three, pushed against the train. Working in unison, they shifted the weight just enough to free Taylor’s leg.

            The apostle Paul recognized the power of Christians working together in many of his letters to the early churches. He urged the Roman believers to accept each other the way Christ had accepted them and…