It means that if you love me with all your heart, love me sincerely, and care for me sincerely, no matter you are a human or a ghost, I will always stick to you. This passage comes from "The Biography of Lin Huiyin", and this passage has become a classic phrase. "The Biography of Lin Huiyin" is a biography about the famous architect Lin Huiyin in Chinese history. This biography has also been adapted into a movie, directed by Chen Kaige, starring Yang Zishan and Zhong Chuhong. The film was released in mainland China on July 28, 2006 .