A passerby asked Shen Chang’an: Are you afraid of supernatural events? Shen Chang’an: Not afraid. Shocked passerby: Why? Shen Chang’an: Because I have never encountered it before. The passerby was silent for a long time and spoke again: Are you afraid of ghosts? Shen Chang’an: Not afraid, as young people in the new century, we have to believe in science, and science is the primary productive force for development. Can ghosts invent or create a good life for everyone? Passerby: …