Dr. Harry Ironside was once convicted about his lack of humility. A friend recommended as a remedy, that he march through the streets of Chicago wearing a sandwich board, shouting the scripture verses on the board for all to hear. Dr. Ironside agreed to this venture and when he returned to his study and removed the board, he said "I’ll bet there’s not another man in town who would do that."
(Daniel, Decoder of Dreams, Donald Campbell, p. 22.)