I was thinking abou this in my lazy fairy kind of way the other day, when I heard a tv journalist from somewhere else use it in the "wrong" way. It reinforced my belief that Humpty Dumpty had it right all those years ago - words mean whatever enough people say they mean. Maybe Dodgson's relaxed, descriptivist attitude to language was a reaction to his work as a mathematician, but whatever the reason, he certainly supplied me with a nice motto.

noho ora mai
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