The eight-character sutra means freedom, happiness, dignity and achievement. The Eight Characters Classic is a book in traditional folk culture, which is extracted from proverbs and cheats with different views. Let's call it the eight-character sutra. Explain that people mean freedom, happiness, dignity and achievement. But these are feudal superstitions and have no scientific basis. We should believe in science. This answer is for reference only. Don't be blindly superstitious.