Walnuts and Watermelons 
.As Nasrudin rested under a tall walnut tree one day, he looked a few yards to his side and noticed a big watermelon growing on a thin vine near the ground
Nasrudin looked up and said, “Great God, please permit me to ask you this: why is it that walnuts grow on big strong trees, while watermelons grow on think weak vines. Shouldn’t it be the other way around
.But at that very moment, a walnut fell from high on up in the tree and hit Nasrudin square on the head
“Ah!“ remarked Nasrudin. “I suppose Nature’s ways might not be as backward as I thought. After all, if a big watermelon fell out of the tree and onto my head, it might have killed me