preaching irresistible, as the apostle Stephen experienced (Acts 6:10). It is a supernatural force that has no natural explanation. So many healings also have a natural explanation, as when medicine or surgery is used. There is certainly nothing wrong in taking appropriate medicine or having an operation. Yet when you pray for the healing of a person who has benefited from medical expertise, you cannot be sure that healing was truly supernatural. It may have a natural explanation. Supernatural, however,