"As long as you keep the audience on the edge of their seats, either scare them or keep them guessing, you can put anything in there that you want."

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There is no effective difference between guessing a variable that is not random, but for which information is partial or deficient, and a random one. In this sense, guessing (what I don't know, but what someone else may know) and predicting (what has not taken place yet) are the same thing.

— Nassim Nicholas Taleb