Wish I'd said that - May 21, 2018

"The definition of insanity is doing the same thing over and over again and expecting a different result."

Source unclear but not Albert Einstein (a false quotation magnet on a par with Abraham Lincoln). Various diligent efforts have been made to determine its origin online (for instance here) but regardless of where it came from it has caught on because we humans make such diligent efforts to demonstrate its validity in real life.