Variante: When you have eliminated all which is impossible, then whatever remains, however improbable, must be the truth. 
Origine: The Sign of Four
                                    
Arthur Conan Doyle: Frasi in inglese (pagina 2)
Arthur Conan Doyle era poeta, scrittore, medico. Frasi in inglese.“What one man can invent, another can discover.”
Origine: The Adventure of the Dancing Men
“It's quite exciting," said Sherlock Holmes, with a yawn.”
Origine: A Study in Scarlet
“Where there is no imagination, there is no horror.”
Origine: A Study in Scarlet
“If you had killed Watson, you would not have got out of this room alive.”
Origine: The Case-Book of Sherlock Holmes
“It is stupidity rather than courage to refuse to recognize danger when it is close upon you.”
Origine: The Memoirs of Sherlock Holmes
“It is a capital mistake to theorise before one has data.”
Origine: The Adventures of Sherlock Holmes
“There is nothing more stimulating than a case where everything goes against you.”
                                        
                                        Variante: There is nothing more deceptive than an obvious fact. 
Origine: The Hound of the Baskervilles
                                    
“My mind rebels at stagnation, give me problems, give me work!”
Origine: The Sign of Four
“Mediocrity knows nothing higher than itself; but talent instantly recognizes genius.”
Origine: The Valley of Fear
Origine: Adventure of the Abbey Grange
“Evil indeed is the man who has not one woman to mourn him.”
Origine: The Hound of the Baskervilles