What thoughts do the contents of the four masterpieces express respectively?
The Four Great Classics referred to the classic works of literature in Chinese culture, namely Dream of the Red Chamber, Journey to the West, Water Margins, and Romance of the Three Kingdoms. "Dream of the Red Chamber" expressed the thoughts of the author Cao Xueqin. Through the description of the life experiences, love and marriage of the main characters such as Jia Baoyu, Lin Daiyu, Xue Baochai, etc., it showed the various drawbacks of feudal society and the deep complexity of human nature, and expressed the thoughts and discussions on family, kinship, love, friendship and other emotional issues. Journey to the West expressed the thoughts of the author Wu Chengen. It narrated the adventures of Sun Wukong, Zhu Bajie, and Monk Sand, who protected the Tang Monk from the West. It showed the struggle between good and evil, justice and evil, and the relentless efforts of human beings to pursue the truth and explore the universe. Water Margins expressed the author Shi Naian's thoughts. Through describing the heroic deeds of Song Jiang, Lin Chong, Wu Song, Lu Zhishen and other major characters, it showed the Chinese people's desire and resistance for justice, fairness, and freedom, as well as the weaknesses and defects in human nature. Romance of the Three Kingdoms expressed the thoughts of the author Luo Guanzhong. Through telling the historical stories of the Three Kingdoms period and the experiences of the main characters, it showed the core values of loyalty, loyalty, resourcefulness, courage, and the contradictions and conflicts in human nature.