Then you should say what you mean," the March Hare....

“ Then you should say what you mean," the March Hare went on. "I do," Alice hastily replied; "at least--at least I mean what I say--that's the same thing, you know." "Not the same thing a bit!" said the Hatter. "You might just as well say that "I see what I eat" is the same thing as "I eat what I see"! ”

Lewis Carroll