Yup, I know folly as well (non-native speaker as well). But it doesn't make sense to name a library 'folly' does it? What I was wondering is if this some self-

Yup, I know folly as well (non-native speaker as well). But it doesn't make sense to name a library 'folly' does it? What I was wondering is if this some self-deprecating humor or these words are popular phrases from some popular book/meme/play.