"The prodigal son will never change his fortune" is a popular mantra and catch-phrase among the people. It is also a famous saying used to compare some young people who have made mistakes in society to change their minds and repent. Many elderly people in Wuxi say that this famous saying comes from the protagonist of Wu Song's "Gold Will Not Change".

Explanation: It means that it is extremely valuable for people who do not follow the right path to correct their evil ways and return to the right path.

Source: "Eighty-One Dreams·Dream No. 32": "With the Tao, a prodigal will never be able to exchange for gold."

Example: A prisoner changed his ways and his family members praised him : "It's really~!"