The sea sun gives birth to the remaining night, and the river spring enters the old year

"The sea sun gives birth to the remaining night, and the river spring enters the old year" is a famous saying that has been recited throughout the ages, describing the alternation between day and night and winter and spring. The scene in the novel and the joy in his heart arouse the homesickness in the last sentence, expressing the author's longing for his hometown with the return of wild geese. The spring scenery and homesickness blend harmoniously.