Object: a stack of mail (some bills, some cards, mostly junk mail)
Good morning, boys and girls. Does your mommy and daddy get a lot of mail every day? When they look in the mail box, I bet there's a stack of mail for them to go through. In that stack will be a few bills, which they have to pay. There might be a letter or a card from a friend. That's going to be really special. And then there's the junk mail. Junk mail is just letters and notices that don't mean anything, that aren't special at all. Nobody likes getting junk mail. In fact, do…
Dynamic Preaching, Collected Sermons, by King Duncan