We're all mad here. I'm mad. You're mad. [...] You must be, or you wouldn't be here.

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.

We're all mad here.

have i gone mad? im afraid so, but let me tell you something, the best people usualy are.