“You know my method. It is founded upon the observation of trifles.”
Source: The Boscombe Valley Mystery
Quotes from book
The Boscombe Valley Mystery
"The Boscombe Valley Mystery", one of the 56 short Sherlock Holmes stories written by Sir Arthur Conan Doyle, is the fourth of the twelve stories in The Adventures of Sherlock Holmes. It was first published in the Strand Magazine in 1891.
