# Quote — Arthur Conan Doyle, The Adventures of Sherlock Holmes

> Singularity is almost invariably a clue. The more featureless and commonplace a crime is, the more difficult it is to bring it home.

- Author: [Arthur Conan Doyle](https://www.leafyquotes.com/arthur-conan-doyle.md)
- Book: [The Adventures of Sherlock Holmes](https://www.leafyquotes.com/arthur-conan-doyle/the-adventures-of-sherlock-holmes.md)
- Page: 202
- Source: [Wikiquote](https://en.wikiquote.org/wiki/Sherlock_Holmes#The_Boscombe_Valley_Mystery) ([CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/))
- Quote page: https://www.leafyquotes.com/arthur-conan-doyle/the-adventures-of-sherlock-holmes/singularity-is-almost

## More from this book

> A man should keep his little brain attic stocked with all the furniture that he is likely to use, and the rest he can put away in the lumber-room of his library, where he can get it if he wants it.

p. 225 — [Quote page](https://www.leafyquotes.com/arthur-conan-doyle/the-adventures-of-sherlock-holmes/a-man-should.md)

> Violence does, in truth, recoil upon the violent, and the schemer falls into the pit which he digs for another.

p. 272 — [Quote page](https://www.leafyquotes.com/arthur-conan-doyle/the-adventures-of-sherlock-holmes/violence-does-in-truth.md)

> The lowest and vilest alleys in London do not present a more dreadful record of sin than does the smiling and beautiful countryside.

p. 323 — [Quote page](https://www.leafyquotes.com/arthur-conan-doyle/the-adventures-of-sherlock-holmes/the-lowest-and.md)