Alice in Wonderland by Lewis Carroll Chapter 6 Page 17

Alice added as an explanation.

‘Oh, you’re sure to do that,’ said the Cat, ‘if you only walk long enough.’

Alice felt that this could not be denied, so she tried another question. ‘What sort of people live about here?’

‘In that direction,’ the Cat said, waving its right paw round, ‘lives a Hatter: and in that direction,’ waving the other paw, ‘lives a March Hare. Visit either you like: they’re both mad.’

‘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.