Summary: the knocking sound which wakes him up, and he orders the dumb woman to open the door, which she instructs the deaf doorkeeper to open. The door is opened, and the king finally sees the fruit presented to him. Upatissa uses this simile to explain the functioning of the eye in cognition and perception of the external world. He also delves into medical knowledge by discussing the stages of the foetus in the womb, diseases, and their treatment, showing a comprehensive understanding of various subjects beyond the spiritual realm discussed in his work.