The Boy Who Cried Wolf

"Don't cry 'wolf', shepherd boy," said the villagers, "when there's no wolf!"
From here the story looked liked it would end quite badly for the shepherd boy, and he certainly would have come to a sticky end were it not for a sudden stroke of genius.
He looked to his sheep, and then to the flock of villagers, who had come running so readily to his aid. He considered the crook in his hand, and the power he wielded with it. He then held that crook aloft and pointed his finger at the nearest villager.
"Are you seriously questioning the existence of wolves?" he cried.
"But there are no wolves h..." began the villager.
"You see? You see? He said it himself! This man would have you think that wolves simply do not exist! Surely you all recall that wolves once attacked a nearby village!"
Indeed they did. There was a sudden murmuring in the crowd.