I have no desire to make mysteries, but it is impossible at the moment of action to enter into long and complex explanations.

Arthur Conan Doyle (1859–1930) British writer and physician

“The Dancing Men” [Sherlock Holmes], The Strand Magazine (Dec 1903)
    (Source)

Reprinted as "The Adventure of the Dancing Men" in The Return of Sherlock Holmes, ch. 3 (1905).