A Sunday school teacher, trying to impress the boys in her class, told the story of David and Goliath. In the class was one boy with an attitude. He thought he was pretty tough himself, so the teacher stressed how big Goliath was, picturing him as so big and tall that he would have dwarfed Yao Ming, the seven-foot five giant of a basketball player—China's import to the Houston Rockets at the time.