"There is a lawyer, Song Woo-Seok. He is not interested in social problems. He thinks that the world is strong establishment's."
Q: With the last sentence, I wanted to say that he thinks that only strong establishment can change the worlds. Is the last sentence wrong or unnatural?
"She has a son, Choi Jin-Woo, who is the apple of her eye. Choi Jin-Woo has had a common reading club to teach his friends literature"
Q: In this sentence, is "about literature" more natural? If so, could you explain the reason, please?