A Wolf was bitten by dogs, the injury is very heavy, can only lie in the hole.Because of the lack of food, she begged a passing sheep: please fetch some water from a nearby stream to quench thirst.Sick Wolf said: "if you could kindly take some water for me to I can go to look for some food!"Sheep said: "yes, if I give you water to drink, no doubt, I will become the food you want!"

Moral - rhetoric is easy to be wise