| 1 | So, at the age of 82, Wen was put into jail in the town of Youli. | |
| 2 | Youli was a jail as early as the Shang Dynasty. | |
| 3 | To commemorate King Wen of the Zhou Dynasty, people built the Temple of King Wen in Youli. | |
| 4 | Youli was the earliest state jail ever built in Chinese history. | |
| 5 | Legend has that this book was written by King Wen of the Zhou Dynasty during his imprisonment at Youli. |