From the 1984 mock rock documentary film This Is Spinal Tap, a friend's favorite distinction:

David St. Hubbins: It's such a fine line between stupid, and uh ...

Nigel Tufnel: Clever.

David St. Hubbins: Yeah, and clever.

(movie directed by Rob Reiner, script writing credited to Christopher Guest, Michael McKean, Harry Shearer, and Rob Reiner) - ^z - 2012-06-14