In ancient times, there was an old man who burned charcoal. He had two sons. The older one was called Qingshan, and the younger one was called Hongshan. When the old man died, he gave Donggang to Qingshan and Xigang to Hongshan.

The trees in Xigang are thick and lush, which can burn charcoal well. Hongshan is very diligent, burning charcoal all day, and living a rich life. But after three or five years, all the trees were cut down by him, and Hongshan planted crops at work. Unexpectedly, a heavy rain washed away all the crops planted in Hongshan. He had no food, so he had to go to Donggang to join his brother.

It turns out that there are few trees in Donggang, and Qingshan is easy to plan. He first cut down the bad trees and burned them, and then planted new saplings. He cultivated land under the post and raised cattle to feed horses. A few years ago, life was very poor, but after three or five years, the seedlings on the top of the mountain grew up, the crops under the top of the mountain were contiguous, and cattle and sheep were in groups. In the rainstorm, the crops were not damaged at all, because the trees were protected in Donggang. Hongshan saw the beauty and prosperity of his brother here, which is very strange. He asked his brother why, and his brother told him earnestly: "If you eat mountains and don't raise them, you will eventually run out of water;" Plant mountains to eat first, and then be beautiful! "

Later, people praised Qingshan and said, "If you stay in Qingshan, you are not afraid of running out of firewood."