The Mad Hatter: Have I gone mad? Alice: I'm afraid so. Your'e entirely bonkers. But I'll tell you a secret. All the best people are. From the Mad Hatter's Tea Party in Alice in Wonderland by Lewis Carroll.
Ladies of Disney. It looks like the Anna one wasn't done by the same person. It doesn't have the tumblr signature. And I know they did one for Anna and Elsa too. Oh well, they are all still really cool!