This sentence appeared in the article "A gentleman is in service" in the Book of Songs.
Assistant Minister Feng Wang is a poem in The Book of Songs, the first poetry collection in ancient China. This is a poem about a wife who misses her husband who served abroad. From the daily life, the chicken went into the cage, the sheep went home, and the husband hasn't come back yet. Writing that his wife misses her husband who served abroad, the language is really simple, and the deep yearning for her husband for thousands of years is very touching. The whole poem consists of two chapters, each with eight sentences, and adopts the artistic form of overlapping sentences in structure. The language is concise, true and simple, and depicts a sincere and moving picture of life.