"My name is Sherlock Holmes. It is my business to know what other people don't know."
―"The Adventure of the Blue Carbuncle"
"The air of London is sweeter for my presence."
―"The Final Problem"
"My brain has always governed my heart."
The Sign of Four
"Love is an emotional thing, and whatever is emotional is opposed to that true cold reason which I place above all things. I should never marry myself, lest I bias my judgment."
The Sign of Four
"A man always finds it hard to realise that he may have finally lost a woman's love, however badly he may have treated her."
―"The Adventure of the Musgrave Ritual"
"When a woman thinks that her house is on fire, her instinct is at once to rush to the thing which she values most. . . A married woman grabs at her baby; an unmarried one reaches for her jewel box."
―"A Scandal in Bohemia"
"There is nothing more deceptive than an obvious fact."
―"The Boscombe Valley Mystery"
"You can...never foretell what any one man will do, but you can say with precision what an average number will be up to. Individuals vary, but percentages remain constant."
The Sign of Four
"Education never ends, Watson. It is a series of lessons, with the greatest for the last."
―"The Adventure of the Red Circle"
"You see, but you do not observe."
―"A Scandal in Bohemia"
"When you have eliminated all which is impossible, then whatever remains, however improbable, must be the truth."
―"The Adventure of the Blanched Soldier"

[note 1]

"I never make exceptions. An exception disproves the rule."
The Sign of Four
"Come at once if convenient if inconvenient come all the same."
―"The Adventure of the Creeping Man"
""I am inclined to think" said I. "I should do so," Sherlock Holmes remarked, impatiently."
The Valley of Fear
"Should I ever marry, Watson, I should hope to inspire my wife with some feeling which would prevent her from being walked off by a housekeeper when my corpse was lying within a few yards of her."
The Valley of Fear


  1. This quotation has been used multiple times in various stories using similar statements