I love parables. Here's one I thought of.     There came a knock at my door. I opened it to find a mid-eastern man on my porch.   "Good day" he said, "I've got great news for you." "Do tell" I said, "I could use some good news." "I am the world's greatest fireman, and I'm here to save you from certain death." "Ok, I'm intrigued" I said, "Tell me about this deal.' "Simple" he says, "you just pay…