There is an old saying: When the Yellow River is clear, saints will emerge. Now that the Yellow River has really become clear, how should we understand this sentence?

The word "Haiyan Heqing" appeared a long time ago, which represents auspiciousness, peace in the world, and peace and contentment. ?When a saint comes out, the Yellow River becomes clear? This comes from the book "Young Learning Qionglin" written by Cheng Dengji of the Ming Dynasty. It means that the water of the Yellow River is always turbid. If it becomes clear, it is regarded as an auspicious sign, indicating that a saint will appear to govern the society and will The world is at peace. But this conclusion is a bit vague. Which came first, the saints or the Yellow River?

Existing historical data have recorded that the water of the Yellow River was turbid at least during the Spring and Autumn Period and the Warring States Period. There is such a story in "Spring and Autumn Zuo Zhuan? Xianggong", in the eighth year of Lu Xianggong (565 BC), Zheng Guo When attacked by Chu, do you submit to Chu? Or should we fight against the Chu soldiers and wait for the Jin soldiers to come to rescue us? There were two factions among the people in power in Zheng State, and the debate was fierce. Zi Si, who advocated surrender to the Chu State, quoted a poem as a metaphor: "As soon as the river is clear, how long will a person's life be?" ?It means that it is almost impossible for a person to see the Yellow River become clear in his lifetime, and he will not be able to wait until Jin sends troops to save it.

In history, the Yellow River has been plagued by floods. From 602 BC to 1938 AD, the Yellow River flooded more than 1,590 times and changed its course 26 times. There are countless records of these in ancient classics.

In the time of Yao, floods spread across the world? ("Mencius and Duke Wen of Teng"). ?The overflow of river disasters has particularly harmed China? ("Han Shu? Gou Xi Zhi"). Later, Yu the Great controlled the floods. He dredged the nine rivers, drained them into the rivers, and poured them into the seas. He defeated Ru and Han, drained the Huai and Si rivers, and poured them into the rivers. Then China could harvest them for food. ? ("Mencius? Teng Wengong")

There are folk rumors that the Yellow River becomes clear once every five hundred years, and some say it becomes clear once every one thousand years. The all-rounder Mr. Luo Guanzhong once said: ? There is a Taoist sage in the world. In life, the earth, mountains and rivers all work together. Do you think that the turbid dust should be eliminated and the Yellow River will be clear for a while?

Of course, this saint is definitely not an ordinary person. He must be a big man who can govern the world and make the country prosperous. But this is just people's desire for a better life. yearning and a tool used by some officials in ancient times to flatter themselves.

Because the Yellow River is very long and divided into river sections, not all places are dirty. In ancient times, there were several signs of large-scale clearing of the Yellow River channel, but the monarch at that time was not a saint. .