One of the main themes could be perseverance. The old man in the novel likely faces many challenges and keeps going. Another theme might be the relationship between man and nature, as he is out in the natural environment, perhaps fishing or surviving in it.
Well, I think isolation could be a theme. The old man may be alone for a significant part of the story, which can bring out his inner thoughts and strength. Also, there could be a theme of dignity. Despite his age or circumstances, he holds onto his dignity throughout his experiences in the novel.
A practical answer is Chapter 19, because it turns the idea into a concrete scene. The chapter opens with What criminal law is this or that, this was originally none of your..., adds pressure through Brothers, go in and drag this bad woman out!" "I'll see who dares touch..., and ends on Please.
Chapter 871, "Emergency Incident", is the clearest early answer because it turns Emergency Incident Xue's situation into a concrete plot event.
Chapter 734, "Are These Primary School Students Arguing?", is the clearest early answer because it turns School Students Arguing's situation into a concrete plot event. The chapter turns that into something concrete by moving from Old Sir Jiang was especially happy.
If you want the clearest chapter reference, go to Chapter 9. Early on, Exactly, the Qiao Family isn't that great either.; later, the chapter leans on They've been yelling and shouting since morning, with no sense of decorum....
Look to Chapter 17 for the clearest answer. It begins with Jiang Li glanced at Jiang Shixu, who was tense and anxious behind her, and..., keeps building through Okay, let's go eat." After speaking, she strode forward., and lands on I've been a mother for more than ten years but never tasted.
Chapter 741, "As for blocking someone's house?", is the clearest early answer because it turns Fang's situation into a concrete plot event. A useful checkpoint is the way the scene starts with In the scuffle, Qi Tianyu finally noticed Fang Kai skulking around in...
Chapter 837, "Why did she come?!", is the clearest early answer because it turns Gu Qiang's situation into a concrete plot event. The chapter turns that into something concrete by moving from The ring is the one Shi Lei just gave her, she really likes it, so...
Chapter 817, "Killed by Me", is the clearest early answer because the violence around Jiang Mingchuan becomes final instead of hypothetical.
Look to Chapter 18 for the clearest answer. It begins with In the corner, a girl in a black dress sat quietly, holding a glass of..., keeps building through Her serene yet cold temperament, along with her exquisitely beautiful..., and lands on Hurry home, what is a young lady like you doing.
Chapter 719, "Borrowing Their Luck", is the clearest early answer because it turns President Sun's situation into a concrete plot event. The chapter gives readers a real answer by opening on Chang Rong: "Hmph, it has nothing to do with me anyway, since no one...