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The sign of four by Arthur Conan Doyle Summary

The sign of four
Arthur Conan Doyle
3.89 (173483 Reviews)
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Overview of The sign of four

In Conan Doyle's "The Sign of Four," Holmes tackles a cryptic treasure mystery while battling cocaine addiction. This 1890 classic cemented the detective's legendary status, despite later criticism for colonial attitudes. What deadly secret connects four conspirators to India's bloody rebellion?

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Key Themes in The sign of four

deductive reasoningvictorian forensic scienceimperial gothic adventurestolen colonial treasurecriminal psychology

Quotes from The sign of four

How often have I said to you that when you have eliminated the impossible, whatever remains, however improbable, must be the truth?

It has long been an axiom of mine that the little things are infinitely the most important.

Mediocrity knows nothing higher than itself, but talent instantly recognizes genius.

Data! Data! Data! I can’t make bricks without clay.

When you follow two separate chains of thought, Watson, you will find some point of intersection which should approximate the truth.

Characters in The sign of four

Sherlock HolmesBrilliant consulting detective and master of logic
Dr. WatsonMedical professional and Holmes's loyal friend
Mary MorstanYoung woman seeking help with a family mystery
Jonathan SmallOne of the four names on a cryptic document
Major SholtoAn acquaintance of Mary Morstan's father
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"I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."

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117

"Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."

@Raaaaaachelw
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"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

@Matt, YC alum
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108

"Reading used to feel like a chore. Now it’s just part of my lifestyle."

@Erin, Investment Banking Associate , NYC
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254
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17

"Feels effortless compared to reading. I’ve finished 6 books this month already."

@djmikemoore
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"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

@Pitiful
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"BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

@SofiaP
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"BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

@Jaded_Falcon
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"It is great for me to learn something from the book without reading it."

@OojasSalunke
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"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

@Leo, Law Student, UPenn
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483

"Makes me feel smarter every time before going to work"

@Cashflowbubu
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"Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."

@Moemenn
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"I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."

@Chloe, Solo founder, LA
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likes
117

"Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."

@Raaaaaachelw
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"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

@Matt, YC alum
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12
likes
108

"Reading used to feel like a chore. Now it’s just part of my lifestyle."

@Erin, Investment Banking Associate , NYC
platform
comments
254
likes
17

"Feels effortless compared to reading. I’ve finished 6 books this month already."

@djmikemoore
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star

"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

@Pitiful
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4.5K

"BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

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"BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

@Jaded_Falcon
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"It is great for me to learn something from the book without reading it."

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"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

@Leo, Law Student, UPenn
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37
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483

"Makes me feel smarter every time before going to work"

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1.5K Ratings4.7
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