"Listen, kids. Your government is evil. Your government has soldiers who wear black uniforms and masks. They have guns. Big guns and lots of 'em. The government will come to your house at night, kick in the door and shoot your dog. If your Dad acts surprised, they will shoot him too.
Yes, Tommy?"
"Teacher, why are you telling us this?"
"Well, Tommy, we want you to know that questioning authority is never a good idea. And by the way, tell your Dad not to act surprised tonight, okay?"