Sherlock Holmes Deduction Quotes & Sayings

Show Holmes a drop of water and he would deduce the existence of the Atlantic. Show it to me and I would look for a tap. That was the difference between us. — Anthony Horowitz

True deduction can only be obtained through a certain amount of self annihilation. — Joe Riggs

For the first time in a very many years, he felt the old vexation, the mingled impatience and pleasure at the world's beautiful refusal to yield up its mysteries without a fight. — Michael Chabon

There it was: a full confession. Sherlock Holmes had done it again, and as I marveled at my devastating powers of deduction, I wished there had been two of me so I could have patted myself on the back. I know it sounds arrogant, but how often does one achieve a mental triumph of that magnitude? After listening to her speak just two words, I had nailed the whole bloody thing. If Watson had been there, he would have been shaking his head and muttering under his breath. — Paul Auster

You look at me as if I were a conjuror,' Holmes remarked, with a laugh. — Anthony Horowitz

Samuel Vimes dreamed about Clues. He had a jaundiced view of Clues. He instinctively distrusted them. They got in the way. And he distrusted the kind of person who'd take one look at another man and say in a lordly voice to his companion, "Ah, my dear sir, I can tell you nothing except that he is a left-handed stonemason who has spent some years in the merchant navy and has recently fallen on hard times," and then unroll a lot of supercilious commentary about calluses and stance and the state of a man's boots, when exactly the same comments could apply to a man who was wearing his old clothes because he'd been doing a spot of home bricklaying for a new barbecue pit, and had been tattooed once when he was drunk and seventeen* and in fact got seasick on a wet pavement. What arrogance! What an insult to the rich and chaotic variety of the human experience! — Terry Pratchett

In one of the earlier Sherlock Holmes mysteries, Arthur Conan Doyle (not yet a Sir) made an observation on logical deduction. When you have eliminated the impossible, whatever remains, however improbable, must be the truth.
There is, however, a specific flaw in that maxim. It assumes people can recognize the difference between what is impossible and what they believe is impossible. — Peter Clines

It was quite elementary,' returned the detective with a languid gesture of one hand. — Anthony Horowitz

The sensible man,' Crow had said (to Sherlock Holmes), 'don't look to confirm what he already knows -- he looks to deny it. Finding evidence that backs up your theories ain't useful, but finding evidence that your theories are wrong is priceless. Never try to prove yourself right -- always try to prove yourself wrong instead. — Andy Lane