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41 Arthur Conan Doyle quotes

Sir Arthur Conan Doyle was a British writer and physician. He created the character Sherlock Holmes in 1887 for A Study in Scarlet, the first of four novels and fifty-six short stories about Holmes and Dr. Watson. The Sherlock Holmes stories are milestones in the field of crime fiction.

Doyle was a prolific writer; other than Holmes stories, his works include fantasy and science fiction stories about Professor Challenger, and humorous stories about the Napoleonic soldier Brigadier Gerard, as well as plays, romances, poetry, non-fiction, and historical novels.

One of Doyle’s early short stories, “J. Habakuk Jephson’s Statement” (1884), helped to popularise the mystery of Mary Celeste.

List of quotes

There is nothing more deceptive than an obvious fact.
The most difficult crime to track is the one which is purposeless.
The lowest and vilest alleys of London do not present a more dreadful record of sin than does the smiling and beautiful countryside.
The ideal reasoner, he remarked, would, when he had once been shown a single fact in all its bearings, deduce from it not only all the chain of events which led up to it but also all the results which would follow from it.
Our ideas must be as broad as Nature if they are to interpret Nature.
Sir Walter, with his 61 years of life, although he never wrote a novel until he was over 40, had, fortunately for the world, a longer working career than most of his brethren.
There is nothing more unaesthetic than a policeman.
Some facts should be suppressed, or, at least, a just sense of proportion should be observed in treating them.
To the man who loves art for its own sake, it is frequently in its least important and lowliest manifestations that the keenest pleasure is to be derived.
Violence does, in truth, recoil upon the violent, and the schemer falls into the pit which he digs for another.
We can’t command our love, but we can our actions.
When a doctor does go wrong he is the first of criminals. He has nerve and he has knowledge.
When you have eliminated the impossible, whatever remains, however improbable, must be the truth.
Where there is no imagination there is no horror.
You will, I am sure, agree with me that… if page 534 only finds us in the second chapter, the length of the first one must have been really intolerable.
Once you eliminate the impossible, whatever remains, no matter how improbable, must be the truth.
Depend upon it there comes a time when for every addition of knowledge you forget something that you knew before. It is of the highest importance, therefore, not to have useless facts elbowing out the useful ones.
Women are naturally secretive, and they like to do their own secreting.
A client is to me a mere unit, a factor in a problem.
As Cuvier could correctly describe a whole animal by the contemplation of a single bone, so the observer who has thoroughly understood one link in a series of incidents should be able to accurately state all the other ones, both before and after.
As a rule, said Holmes, the more bizarre a thing is the less mysterious it proves to be. It is your commonplace, featureless crimes which are really puzzling, just as a commonplace face is the most difficult to identify.
Any truth is better than indefinite doubt.
A trusty comrade is always of use; and a chronicler still more so.
From a drop of water a logician could infer the possibility of an Atlantic or a Niagara without having seen or heard of one or the other.
A man should keep his little brain attic stocked with all the furniture that he is likely to use, and the rest he can put away in the lumber-room of his library, where he can get it if he wants it.
Of all ghosts the ghosts of our old loves are the worst.
Circumstantial evidence is occasionally very convincing, as when you find a trout in the milk, to quote Thoreau’s example.
For strange effects and extraordinary combinations we must go to life itself, which is always far more daring than any effort of the imagination.
His ignorance was as remarkable as his knowledge.
How often have I said to you that when you have eliminated the impossible, whatever remains, however improbable, must be the truth?
It has long been an axiom of mine that the little things are infinitely the most important.
I have frequently gained my first real insight into the character of parents by studying their children.
I have seen too much not to know that the impression of a woman may be more valuable than the conclusion of an analytical reasoner.
Nothing clears up a case so much as stating it to another person.
I never guess. It is a shocking habit destructive to the logical faculty.
My mind rebels at stagnation. Give me problems, give me work, give me the most abstruse cryptogram, or the most intricate analysis, and I am in my own proper atmosphere. But I abhor the dull routine of existence. I crave for mental exaltation.
Mediocrity knows nothing higher than itself, but talent instantly recognizes genius.
London, that great cesspool into which all the loungers and idlers of the Empire are irresistibly drained.
It is an old maxim of mine that when you have excluded the impossible, whatever remains, however improbable, must be the truth.
I consider that a man’s brain originally is like a little empty attic, and you have to stock it with such furniture as you choose.
It is a capital mistake to theorize before one has data.

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