A rabbi, a holy man and a (retired school teacher) elder were in a car together when the car broke down alongside a farm. Knocking on the door they asked the farmer if they could stay the night. The farmer said he only had two extra beds so one of them would have to sleep in the barn.
The rabbi volunteered and went to the barn as the others found their beds. A few minutes later the rabbi came back and knocked on the door. "I can't sleep in the barn, there's a pig in there. The Holy man said he would sleep in the barn. A few minutes later a knock on the door and again. "I cannot sleep in the barn for there is a cow in it's stall. The elder then stated he would sleep in the barn. A couple of minutes pass and again knocking on the door.
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It's coming
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.Get ready
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.This time it was the pig and the cow.