A father talks to his daughter who is a bit upset because her desk is untidy.
„What makes it untidy?“ he asks.
„Well when things are moved about.“ she replies.
„So if I move this pen a bit does that make it untidy?“
„Yes it does“ she says „the pen has to be just there.“
„Well the problem is“ says her father „there are a lot of ways you can see your desk as untidy but only one way you can see it as tidy!“