At six o'clock in the evening, Cao Da asked me to sit on the east wall of the room. He said that dirty things don't like the East because it symbolizes the sun coming out. He took out a small bottle from his pocket, which contained transparent liquid. I asked what it was. He said it was cow's tears. He smeared it on his eyelids and could see dirty things for ten hours. In this way, we should be able to see Zhao Mou.

He painted cow's tears on my eyelids, and I looked into the dark room and found that it was a little brighter.

"Smear cow's tears on...