In the 75th year of Yuanhe, Pei Zhen read Shishuoxinyu for the first time and asked Pei Duhu a question.
"Aye, is it farther away, the sun or Chang'an?"
"Of course it is the sun. Chang'an is 3,875 miles away from the sandbank, but the sun is thousands of miles away."
"Then why, when I look up to the sun, I can't see Chang'an?"
Concept: A story about retrieving Chang'an