What you do in this world is a matter of no consequence. The question is what can you make people believe you have done.

— Arthur Conan Doyle

What you do in this world is a matter of no consequence, the question is what you can make people believe that you have done.

— Arthur Conan Doyle

When a doctor does go wrong he is the first of criminals.

— Arthur Conan Doyle

When a man does a queer thing, or two queer things, there may be a meaning to it, but when everything he does is queer, then you begin to wonder

— Arthur Conan Doyle

When once your point of view is changed, the very thing which was so damning becomes a clue to the truth.

— Arthur Conan Doyle

When you have eliminated all which is impossible, then whatever remains, however improbable, must be the truth.

— Arthur Conan Doyle

Where there is no imagination there is no horror.

— Arthur Conan Doyle

Who knows, Watson? Woman's heart and mind are insoluble puzzles to the male.

— Arthur Conan Doyle

Why should you, for a mere passing pleasure, risk the loss of those great powers with which you have been endowed?

— Arthur Conan Doyle

Why should you go further in it? What have you to gain from it?'' What, indeed? It is art for art's sake, Watson. I suppose when you doctored, you found yourself studying cases without thought of a fee?'' For my education, Holmes.'' Education never ends, Watson. It is a series of lessons with the greatest for the last.

— Arthur Conan Doyle