But I don’t want to go among mad people,’ Alice remarked.
`Oh, you can’t help that,’ said the Cat: `we’re all mad here. I’m mad. You’re mad.’
`How do you know I’m mad?’ said Alice.
`You must be,’ said the Cat, `or you wouldn’t have come here.’

-While your brain's on holiday, we're ruined! Now we're all mad here and that's a good excuse for going to hell in a teapot.