The famous aphorisms about ghosts are as follows:

1. All living things must die, and those who die must return home. This is called ghosts. From "Sacrifice to Righteousness".

2. Ghosts are unpredictable, but ghosts are even worse. From Huang Zunxian's "Zhu Ke Pian".

3. When the body is dead, the spirit is the spirit, and the soul is the ghost. From "National Sorrow".

4. Common people and common people have no temples, and death is like a ghost. From "Sacrifice".

5. Ghost, people are classified as ghosts. From "Shuowen".

6. When I wrote this book, I was still a human being in the world; when you read this book, I have become a ghost in the underworld. From "Books with My Wife".