Sir Arthur Conan Doyle Quotes

Most popular Sir Arthur Conan Doyle Quotes

When you have eliminated the impossible, whatever remains, however improbable, must be the truth.
— Sir Arthur Conan Doyle

famous truth

It is a capital mistake to theorise before one has data. Insensibly one begins to twist facts to suit theories, instead of theories to suit facts.

theory data

The greatest luxury of riches is that they enable you to escape so much good advice.
— Sir Arthur Conan Doyle

wealth advice

It is stupidity rather than courage to refuse to recognize danger when it is close upon you.

stupidity courage

Depend upon it there comes a time when for every addition of knowledge you forget something you knew before. It is of the highest importance, therefore, not to have useless facts elbowing out the useful ones.


Where there is no imagination there is no horror.


Violence does, in truth, recoil upon the violent, and the schemer falls into the pit which he digs for another.
— Sir Arthur Conan Doyle Strand


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.


You are a conductor of light.
— Sir Arthur Conan Doyle
I am a brain, Watson.  The rest of me is a mere appendix.
Our ideas must be as broad as nature if they are to interpret nature.
— Sir Arthur Conan Doyle

nature ideas

Mediocrity knows nothing higher than itself; but talent instantly recognizes genius.

genius talent mediocrity talent & genius

He was as sensitive to flattery on the score of his art as any girl could be of her beauty.


There's the scarlet thread of murder running through the colorless skein of life, and our duty is to unravel it and isolate it, and expose every inch of it.


Do you remember what Darwin says about music?  He claims that the power of producing and appreciating it existed among the human race long before the power of speech was arrived at.


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.