“Now, I could ask you how many moons the Earth has,” the professor began. “Wait for someone in the room to blurt the obvious answer of ‘one,’ then smugly rebuke them. It is within my rights as your instructor to do this, but I am not a jackass, and all of you are smarter than that. You wouldn’t be at this university if you fell for such banal tricks. You’d have suspected I was playing at something the minute I asked such a question. So, I’m going to be straight with you on this one."