Grandpa hates hornets' nests. Everything is a collection of essays written by Feng Jicai, in which fragments of essays were written to poke hornets' nests. In the article, Feng Jicai said that he was afraid to open the window when there was a hornet's nest because his grandfather hated it, and his grandmother hated it and wanted to poke hornets' nests. Finally, out of curiosity, the owner of the article poked away the hornet's nest that grandparents hated.