Explanation: it means that people who don't follow the right path are extremely valuable after turning over a new leaf.
Source: "Eighty-one Dreams and Thirty-two Dreams": "There is a saying that the prodigal son will not change his gold."
As the saying goes, we must try our best to help him.
Usage: as object and attribute; Used to praise people who have corrected their mistakes.
It is easy to find the source: "Eighty-one Dreams and Thirty-two Dreams": "There is a saying that the prodigal son will never change his gold."
This is not the earliest allusion. He used "Tao is" to explain that "the prodigal son never changes his gold" existed before the appearance of "eighty-one dreams, thirty-two dreams", and it was a household name.
In fact, the real source of this sentence is:
This is a well-known story: the prodigal son didn't change his money, and at the beginning of the week, he chopped jiaozi and killed the tiger to eliminate the "three evils". This story was recorded in Shi Shuo Xin Yu and passed down from generation to generation.