But I prefer a dream of red mansions.
Reason: 1 is very long, the story structure is complete and interlocking, (and I like long stories).
It was Baochai's tragedy that created the ancient love myth in China. I don't know how many tears Mr. Cao has earned, at least mine (unfortunately, I can't see his achievements)
I learned a lot about ancient China, such as diet (health care), clothing, weddings and funerals, government system, household servant system, garden art, literature and so on.
(Personally) He made me fall in love with A Dream of Red Mansions.