“If you're mad enough to have killed a dozen people you're mad enough to be a fraction impatient. Surely?”
“You have to be mad in the language you're mad in.”
“Enough madness? Enough? And how do you measure madness? - The Joker”
“We're all mad here. Im mad. You're mad”
“The Mad Hatter: Have I gone mad?Alice Kingsley: I'm afraid so. You're entirely bonkers. But I'll tell you a secret. All the best people are.”
“Possibly he knew, as he wrote this, that he was mad - because inside every madman sits a little sane man saying 'You're mad, you're mad”