"Will: Have you ever seen what happens to someone with demon pox? First it lies dormant. One begins to turn yellow and green. Then the swelling sets in - Jem: THERE IS NO SUCH THING AS DEMON POX."

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Demon Pox, oh, Demon Pox Just how is it acquired? One must first go to the bad part of town Until one is very tired Demon Pox, oh, Demon Pox I had it all along- No, not the pox, you foolish blocks I meant this very song- For i was right, and you were wrong!

— Cassandra Clare