Dao Kim talks about "meme", which could be a sentence in a book, a melody in a song, a meaning in a painting, or a scene in a movie. "Looking back at the place that used to be desolate, returning, there is neither wind nor rain nor sunshine", the poem of To Dong Pha can be passed down for thousands of years, not thanks to genetic inheritance, but thanks to the imitation and dissemination of humans that it is maintained.