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Wit & Attitude Quote by Terry Pratchett

"Five exclamation marks, the sure sign of an insane mind"

About this Quote

Pratchett lands the joke with the brisk authority of someone who has seen too many people try to bully meaning into a sentence by yelling at the page. “Five exclamation marks” isn’t really about punctuation; it’s about desperation. One exclamation mark can signal genuine surprise. Two starts to sound like performance. Five is a demand: please feel what I’m feeling, please read this the way I want, please take me seriously!!!!

The line works because it’s a tiny, weaponized rule of taste masquerading as a diagnosis. Calling it “the sure sign of an insane mind” is knowingly outrageous, a satirical overreach that mirrors the very excess it condemns. Pratchett is policing the border between wit and noise, but he does it with a wink: the insult is so exaggerated that it becomes a parody of judgmental literary snobbery even as it indulges in it.

Context matters. Pratchett wrote in the shadow of British comic tradition and newsroom-style minimalism, where the exclamation mark is treated like hot sauce: potent, easy to overuse, embarrassing when sloshed everywhere. It’s also a pre-internet prophecy. Before caps lock and reaction GIFs, the exclamation mark was the mass-market tool for manufactured excitement, a hallmark of breathless advertising copy and melodramatic prose. Pratchett’s subtext: if your words can’t carry the emotion, no amount of typographical screaming will save them. The real sanity test isn’t punctuation; it’s restraint.

Quote Details

TopicWitty One-Liners
Source
Verified source: Reaper Man (Terry Pratchett, 1991)ISBN: 9780575049796
Text match: 100.00%   Provider: Cross-Reference
Evidence:
Five exclamation marks, the sure sign of an insane mind. (Page 189 (reported in APF; pagination varies by edition)). Primary source appears to be Terry Pratchett’s Discworld novel Reaper Man (first published in the UK by Victor Gollancz on 23 May 1991). The quote is widely attributed to Reaper Man, and L-Space’s Annotated Pratchett File specifically states it occurs in Reaper Man on p. 189 (but page numbers vary by edition/format). Colin Smythe’s bibliographic page confirms the 1991 Gollancz first hardback publication and gives the ISBN 0-575-04979-0 for that edition; many later paperback/US editions have different pagination and ISBNs.
Other candidates (1)
The Mammoth Book of Great British Humour (Michael Powell, 2010) compilation95.0%
... Five exclamation marks, the sure sign of an insane mind. Celia Green Terry Pratchett Women think we are normal . ...
Cite

Citation Formats

APA Style (7th ed.)
Pratchett, Terry. (2026, February 16). Five exclamation marks, the sure sign of an insane mind. FixQuotes. https://fixquotes.com/quotes/five-exclamation-marks-the-sure-sign-of-an-insane-23677/

Chicago Style
Pratchett, Terry. "Five exclamation marks, the sure sign of an insane mind." FixQuotes. February 16, 2026. https://fixquotes.com/quotes/five-exclamation-marks-the-sure-sign-of-an-insane-23677/.

MLA Style (9th ed.)
"Five exclamation marks, the sure sign of an insane mind." FixQuotes, 16 Feb. 2026, https://fixquotes.com/quotes/five-exclamation-marks-the-sure-sign-of-an-insane-23677/. Accessed 4 Mar. 2026.

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Five Exclamation Marks: The Sign of an Insane Mind
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About the Author

Terry Pratchett

Terry Pratchett (April 28, 1948 - March 12, 2015) was a Author from United Kingdom.

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