Sherlock Holmes Observation Quotes & Sayings

Fifty years before Sherlock Holmes first appeared, the Bow Street Runner had used the Sherlockian method of careful observation of trifles. The Randall matter was the first case of ballistic identification to be documented, and Henry Goddard remains forever inscribed in forensic history as the man who proved that the butler did it. — E.J. Wagner

Do you remember," he said, "one of Holmes's little scores over Watson about the number of steps up to the Baker Street lodging? Poor old Watson had been up and down them a thousand times, but he had never thought of counting them, whereas Holmes had counted them as a matter of course, and knew that there were seventeen. And that was supposed to be the difference between observation and non-observation. Watson was crushed again, and Holmes appeared to him more amazing than ever. Now, it always seemed to me that in that matter Holmes was the ass, and Watson the sensible person. What on earth is the point of keeping in your head an unnecessary fact like that? If you really want to know at any time the number of steps to your lodging, you can ring up your landlady and ask her. — A.A. Milne

In one of the earlier Sherlock Holmes mysteries, Arthur Conan Doyle (not yet a Sir) made an observation on logical deduction. When you have eliminated the impossible, whatever remains, however improbable, must be the truth.
There is, however, a specific flaw in that maxim. It assumes people can recognize the difference between what is impossible and what they believe is impossible. — Peter Clines

You know my method. It is founded upon the observation of trifles. — Arthur Conan Doyle