Two-part allegorical saying is: Song Jiang's strategist-useless (Wu Yong). Song Jiang's strategist is Wu Yong, and Wu has no homophonic voice.

Wu Yong, also known as Zhi Duo Xing and nicknamed "Mr. Jia Liang", is a character in Shi Naian's classic novel Water Margin. In Outlaws of the Marsh, the overall image of Wu Yong is the embodiment of wisdom, and the author vividly shows Wu Yong's heroic ability. The author puts the historical figures in this particular period in the middle of the peasant uprising at the end of Song Dynasty, which shows the complexity of their characters.