Dream: Dream means dream, hope, beauty and happiness. The ancients believed that there was always a reason for dreaming. Wang Fu once said: "If people dream strangely, they will gain more and accomplish nothing less." He thinks there is always a reason for dreaming. There are psychological and physiological reasons for dreaming, but even in these two aspects, human beings still can't explain the formation mechanism of dreams.

Wake up: the word wake up belongs to the star family. The pronunciation is xǐng. In the family of star characters, star characters are both phonetic symbols and semantic symbols. Chinese characters in the star family are all related to the meanings of "from night to day" and "from black to white". The original meaning of sobriety is "refreshing from coma to drunkenness".