"But — let me tell you my cat joke. It's very short and simple. A hostess is giving a dinner party and she's got a lovely five-pound T-bone steak sit… - Philip K. Dick

"But — let me tell you my cat joke. It's very short and simple. A hostess is giving a dinner party and she's got a lovely five-pound T-bone steak sitting on the sideboard in the kitchen waiting to be cooked while she chats with the guests in the living room — has a few drinks and whatnot. But then she excuses herself to go into the kitchen to cook the steak — and it's gone. And there's the family cat, in the corner, sedately washing it's face."

"The cat got the steak," Barney said.

"Did it? The guests are called in; they argue about it. The steak is gone, all five pounds of it; there sits the cat, looking well-fed and cheerful. "Weigh the cat," someone says. They've had a few drinks; it looks like a good idea. So they go into the bathroom and weigh the cat on the scales. It reads exactly five pounds. They all perceive this reading and a guest says, "okay, that's it. There's the steak." They're satisfied that they know what happened, now; they've got empirical proof. Then a qualm comes to one of them and he says, puzzled, "But where's the cat?