It is rumored that the best policy is to protect wealth, but scholars will not have sons in the future, and future generations will be prosperous, but scholars will be miserable all their lives. Students are familiar with life and know life and death (for everyone who studies Feng Shui). Because these things were very popular in the 1970s and 1980s, you didn't know the details until you knew the truth. It's not a big problem not to know the content.