Evil isn’t the real threat to the world. Stupid is just as destructive as Evil, maybe more so, and it’s a hell of a lot more common. What we really need is a crusade against Stupid. That might actually make a difference.
Jim Butcher (b. 1971) American author
(Attributed)
Often cited to the short story "Vignette" (also known as "Publicity and Advertising"), but not found there.