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.
Arthur Conan Doyle

Nothing clears up a case so much as stating it to another person.
Arthur Conan Doyle

We can't command our love, but we can our actions.
Arthur Conan Doyle

Once you eliminate the impossible, whatever remains, no matter how improbable, must be the truth.
Arthur Conan Doyle

His ignorance was as remarkable as his knowledge.
Arthur Conan Doyle

Our ideas must be as broad as Nature if they are to interpret Nature.
Arthur Conan Doyle

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.
Arthur Conan Doyle

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