Depend upon it there comes a time when for every addition of knowledge you forget something that you knew before. It is of the highest importance, therefore, not to have useless facts elbowing out the useful ones.
Authentication Score 2
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Original Citation
Doyle, Arthur Conan. "A Study in Scarlet." Beeton's Christmas Annual. London: Ward, Lock & Co., 1887.
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Current Citation
Doyle, Arthur Conan. A Study in Scarlet. The Sherlock Holmes Collector's Library. Detective Fiction, 2012, pt. 1, ch. 2.
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