The Mad Hatter [played by Johnny Depp in Tim Burton's version of Alice In Wonderland]: “Have I gone mad?”
[Mia Wasikowska; she checks Hatter's temperature]: “I’m afraid so.
You’re entirely bonkers. But I’ll tell you a secret. All the best people
Photo from "Alice In Wonderland" - from my post Madness and creativity: do we need to be crazy?