so, at this point, david enters the story. david was the youngest of eight sons, and the story goes that david was, basically, a shepherd boy who would take his father's flocks out. >> altogether, he is one of history's most fascinating characters. he was a poet. he was a singer. >> he's a little guy. he's not a smooth politician. he's not an administrator. he is not a schemer. he is the opposite of all of that. he acts on impulse. david took on goliath, according to the story, because goliath was defying god. he was defying the jewish god of israel by taunting his armies. so for david, this was more than just a battle. it was, also, symbolic of the power of the god of israel. >> david isn't even in the army.