Why is a raven like a writing desk?

“Because it can produce a few notes, though they are very flat; and it is nevar put with the wrong end in front.”

“Preface” to the Eighty-Sixth Thousand of the 6/- Edition of Alice’s Adventures in Wonderland. Alice’s Adventures in Wonderland and Through the Looking-Glass. Ed. Roger Lancelyn Green. New York: Oxford UP, 1971.