Discovering New Depths Of Stupidity

(I am on holiday in the Lake District. Near where we stay are a series of underground rivers, with tours in boats. It’s a good tour, and the tour guide explains to us that even though they’ve discovered a lot of the caves, there are still probably caves that have not yet been discovered.)

Guide: “And before anyone asks, I don’t know how many undiscovered caves there are. No one does… because they’re undiscovered.”

(No one asked it on my tour, but I have to wonder how many people asked that stupid question for him to answer it without us asking.)