Fiction has a way of becoming a reality. Arthur Conan Doyle, Sherlock Holmes.

Sherlock Holmes quotes.  

When you have eliminated the impossible, whatever...

"You will not apply my precept," he said, shaking his head. "How often have I said to you that when you have eliminated the impossible, whatever remains, however improbable, must be the truth? 

The Sign of the Four, ch. 6 (1890)

Sherlock Holmes in The Sign of the Four (Doubleday p. 111)