A man in a long coat and scarf crouches over a bright pink coat in a derelict room while a forensic officer in white stands sulking.

Original artwork, not a still

Sherlock Holmes

Anderson, don't talk out loud. You lower the IQ of the whole street.

— Sherlock  ·  2010

Behind the line

What it means

Our interpretation.

The line is Sherlock's contempt in one sentence: not an insult to Anderson's job but a verdict that his thinking out loud is actively making the area less intelligent. It tells new viewers within minutes that Sherlock's brilliance comes with cruelty, and that the police he works with half-resent and half-need him. Fans quote it for any mouthy colleague, and Anderson stayed the recurring butt of the joke throughout the series.

Context reviewed

In context

Spoilers for SherlockShow the scene

In Sherlock series 1, episode 1, "A Study in Pink" (BBC One, 25 July 2010), Sherlock has brought John Watson to a Brixton crime scene where a woman in pink lies dead. Forensic officer Anderson, who loathes him, offers that the word scratched by the victim is the German for revenge. Sherlock overrules him and completes it as the name Rachel. He then works out from the woman's luggage that her phone holds the answer, and when Anderson grumbles "So what?", Sherlock cuts him off with this line. Anderson is played by Jonathan Aris.

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