Saul Bellow said this quote

After much effort to live up to a glorious standard there came fatigue, wan hope, and boredom. I experienced extreme boredom. I saw others experiencing it too, many denying, by the way, that any such thing existed. And finally I decided that I would make boredom my subject matter. That I'd study it. That I'd become the world's leading authority on it. March, that was a red-letter day for humanity. What a field! What a domain! Titanic! Promethean! I trembled before it. I was inspired. I couldn't sleep. Ideas came in the night and I wrote them down, volumes of them. Strange that no one had gone after this systematically.Oh, melancholy, yes, but not modern boredom.