- "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"
- "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
Note[]
- ↑ This quotation has been used multiple times in various stories using similar statements