Fred B. Craddock said this quote

“ Boredom is a form of evil; perhaps one of Kierkegaard's characters was more correct when he said, Boredom is the root of all evil. Boredom is a preview of death, if not itself a form of death, and when trapped in prolonged boredom, even the most saintly of us will hope for, pray for, or even engineer relief, however demonic. ”