Skid: Ya. "Out, damned spot! out, I say!" - (Act V, Scene I not sure of line). when Lady Macbeth is washing her hands.
About halfway down on
this page.
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'We're all mad here. I'm mad, you're mad." [said the Cat.]
"How do you know I'm mad?" said Alice.
"You must be," said the Cat, "Or you wouldn't have come here."
- Lewis Carroll, Alice's Adventures In Wonderland