I want to know what prompted that statement. It might have been something obvious like “People are stupid” But I’d like to know anyway.
http://www.snpp.com/ and google phrase search to the rescue.
Apparently they were driving to an old west ghost town for a day trip, Homer was getting impatient with the long drive, and Lisa was being a bit of a know-it-all as usual:
Thanks chrisk. It’s as typically Homer and funny as I remember it.