You See, But You Do Not Observe.

It Is Not Really Difficult To Construct A Series Of Inferences, Each Dependent Upon Its Predecessor And Each Simple In Itself. If, After Doing So, One Simply Knocks Out All The Central Inferences And Presents One's Audience With The Starting-point And The Conclusion, One May Produce A Startling, Though Perhaps A Meretricious, Effect.

He Is Not A Bad Fellow, Though An Absolute Imbecile In His Profession. He Has One Positive Virtue. He Is As Brave As A Bulldog And As Tenacious As A Lobster If He Gets His Claws Upon Anyone.

Violence Is Sometimes A Duty.

There Are Always Some Lunatics About. It Would Be A Dull World Without Them.

Detection 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.'' —sherlock Holmes On John Watson's "pamphlet", "a Study In Scarlet".