A pig in a suit would be a very strange sight indeed, and if we saw such a thing, we would have no problem figuring out that the pig was not really human. The same should be said for distinguishing between false teachers and real teachers and false Christians and real Christians. We should have no problem figuring out who is real and who is not. But just in case we do, Peter is going to give us some ways to spot the frauds. And it might be a good idea while studying these warning signs to examine ourselves and make very, very certain that we are the real thing and not pigs in a suit!