Two bits of vomit are walking down the road. One starts crying. "Why are you crying?" asks the first bit of vomit. The weeping one turns to him and says;
"It is a fact universally acknowledged that necklaces obey no known law in the universe."
They show such unparalleled skill in getting hopelessly tangled within a matter of seconds that surely no known law can account for this phenomenon. Maybe I'm onto something here...