In that direction, lives a Hatter: and in that direction, lives a March Hare. Visit either you like: they’re both mad.

Oh, you can’t help that. We’re all mad here. I’m mad. You’re mad.

Well, then, you see, a dog growls when it’s angry, and wags its tail when it’s pleased. Now I growl when I’m pleased, and wag my tail when I’m angry. Therefore I’m mad.