678-word version:
“Please stand up and direct with your one hand to the north,” the professor asked the audience. The result was messy. To the people directing towards different parts of the hall, the professor asked again, “Well then, all except for those who think they are correct please take seats.” While some sat down, more than a few remained confident. Before the professor let them know where north really was, they must have thought they would never be wrong...

404-word version:
“Please stand up and direct with your one hand to the north,” the professor asked the audience. The result was messy. To the people directing towards different parts of the hall, the professor asked again, “Well then, all except for those who think they are correct please take seats.” While some sat down, more than a few remained confident...