After Dr. Wilbur Chapman had preached his first sermon at the great Wannamaker Church in Philadelphia, an old gentleman waited to speak to him alone. The old man said, "You are pretty young to be pastor of this great church. I am afraid you won't succeed. But you do preach the gospel, and I am going to help you all I can." Dr. Chapman thought to himself, "Now this old man is a crank." But the old gentleman continued: "I am going to pray for you that you may have the Holy Spirit's power upon you, and two others have agreed to join with me." Years later, as Dr. Chapman remembered that day, he said, "I felt better when he told me that he was going to pray for me. The three prayers became ten; the ten became twenty; and the twenty became fifty; and the fifty became two hundred. They met befo…