The insanity quote was/is often attributed to Albert Einstein but there has yet to be any evidence to support that. There is a site, Quote Investigator, that finds the "insanity" definition as far back as 1981.
"It takes a lot of devotion and work, or maybe I should say play, because if you love it, that's what it amounts to. I haven't found any shortcuts, and I've been looking for a long time."
-- Chet Atkins
-- Chet Atkins