I rose to go, but Holmes caught me by my wrist and pushed me back into my chair. 'It is both, or none,' said he. 'You may say before this gentleman anything which you may say to me.
Arthur Conan DoyleDetection is, or ought to be, an exact science and should be treated in the same cold and unemotional manner. You have attempted to tinge it with romanticism, which produces much the same effect as if you worked a love-story ... Some facts should be suppressed, or, at least, a just sense of proportion should be observed in treating them. The only point in the case which deserved mention was the curious analytical reasoning from effects to causes, by which I succeeded in unravelling it.'' โSherlock Holmes on John Watson's "pamphlet", "A Study in Scarlet".
Arthur Conan DoyleIt is a capital mistake to theorize before you have all the evidence. It biases the judgment.
Arthur Conan Doyle