The back waves of the Yangtze River push the front waves, and the front waves die on the beach, indicating that things are developing. The process in which new things are constantly produced, old things are constantly dying out, and new things replace old things. It can also mean that a new person with certain qualifications is better than the old one.

Source: Liu Song's axe "Clear the Lock": "I heard an ancient poem saying:' The waves behind the Yangtze River push the waves before, floating new people for the old. " "

Modern Li Ao's jingle: "The back waves of the Yangtze River push the front waves, and the front waves die on the beach. When the scenery of Houlang can last, it will be different in a blink of an eye. " The back wave of the Yangtze River pushes the front wave, and the front wave finally disappears on the beach. How long can the waves last? In the blink of an eye, they will disappear on the beach like the previous waves.

The word similar to the meaning of the waves behind the Yangtze River is to shine on you, not blue.

Shine on you is better than blue? The pinyin is q ong ch ch ě ng ch ú lá n é r Shè ng yú lá n. It means that people can be improved after learning or education. It is often used to indicate that students surpass teachers or that future generations surpass predecessors.

Source:

Xunzi's Persuasion in the Warring States Period: "Green is taken from blue, and green is blue; Ice, water, but colder than water. Wood is straight in the rope, not a wheel, and its curve is in the gauge. Although there is a crisis, those who stop coming forward will make it happen. Therefore, the wood is straight by the rope, the gold is sharp, and the gentleman is knowledgeable and self-sufficient, so he knows that it is correct. "