A wild pig stood under the stem of a tree. He was shining his teeth.
A fox was going through terrace. Seeing the pig, he said, “Brother, why are you doing so? Here is no enemy at any side? then?”
The pig answered, “I know that at present there is no danger. But my friend, danger may come at any time then. I may not get the chance to shine my teeth. So I am doing it earlier.”