Korean scholar and philosopher
- In general, how did the Son of Heaven come about? Did he descend from Heaven, or did he emerge from the earth? A leader is chosen to be the head of the neighborhood when five houses become neighbors. A leader is chosen to be the head of the village when five neighborhoods become neighbors. A leader is chosen to be the head of the county when five villages become neighbors. Several heads of counties choose a feudal lord, and several feudal lords choose the Son of Heaven. Thus the Son of Heaven is chosen by the people.