There was an old man known as the Foolish Old Man. His house was in the big mountains . Two big mountains stood in front of his house, one was Wang Wu, the other was Tai Hang. Every day, when he went to farm, he had to take a lot of time to get out of the mountains.
One evening, the old man asked his two sons, "I am going to get the two mountains out of the way, what do you think about it? OK, let's do it today!" Now parents and their sons and daughters were digging the big mountains.
Seeing this, a man known as the Wise Man laughed at their efforts, "You are old and weak, how can you remove the big mountains？"
"I can dig every day. When I die, there will be my sons, who will have their sons and grandsons. Those grandsons will have their sons and grandsons, and so on to infinity. But the big mountains will be smaller and smaller, so I can certainly level them."
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