How often have I said to you that when you have eliminated the impossible, whatever remains, however improbable, must be the truth?
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Original Citation
Doyle, Arthur. "The Sign of the Four; or, The Problem of the Sholtos." Lippincott's Monthly Magazine. London: Lippincott's, 1890, ch. 1.
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Current Citation
Doyle, Arthur. The Sign of Four. The Sherlock Holmes Collector's Library. Detective Fiction, 2009, ch. 1.
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