When Jesus first sent Peter and the others out to heal the sick, He gave them the necessary power to do it (see Matt. 10:1). The Greek word for this power is exousia, which carries with it the meaning that the power is not inherent but delegated by a higher authority. It is similar to the power an ambassador has been given by the president. U.S. ambassadors, for example, would get nowhere in foreign countries by presenting themselves in their own names. Rather, they say, "I come in the name of
...