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).