--- title: "Meaning & Key Takeaway of: The coyly nicknamed explosive Key4 had…" description: "\"“The coyly nicknamed explosive Key4 had been developed by Special Forces specifically for opening locked doors with minimal collateral damage. Consisti..." image: "https://sms4smile.com/quotes/i/eba/dan-brown-203_collateral-damage_the-coyly-nicknamed-explosive-key4-had-b_1556624.png" --- # The coyly nicknamed explosive Key4 had been developed by… ![“The coyly nicknamed explosive Key4 had been developed by Special Forces specifically for opening locked doors with minimal collateral damage. Consisting primarily of cyclotrimethylenetrinitramine with a diethylhexyl plasticizer, it was essentially a piece of C-4 rolled into paper-thin sheets for…” quote by Dan Brown](https://sms4smile.com/quotes/i/eba/dan-brown-203_collateral-damage_the-coyly-nicknamed-explosive-key4-had-b_1556624.png) [Download](https://sms4smile.com/quotes/i/eba/dan-brown-203_collateral-damage_the-coyly-nicknamed-explosive-key4-had-b_1556624.png) [Open image](https://sms4smile.com/quotes/i/eba/dan-brown-203_collateral-damage_the-coyly-nicknamed-explosive-key4-had-b_1556624.png) > ““The coyly nicknamed explosive Key4 had been developed by Special Forces specifically for opening locked doors with minimal collateral damage. Consisting primarily of cyclotrimethylenetrinitramine with a diethylhexyl plasticizer, it was essentially a piece of C-4 rolled into paper-thin sheets for insertion into doorjambs. In the case of the library’s reading room, the explosive had worked perfectly.”” [Dan Brown](https://sms4smile.com/quotes/author/dan-brown/) ## About This Quote This interpretation was drafted with AI assistance. It is one reading of the quote, not the author's own explanation. A specialized low‑profile explosive is used to breach doors with minimal damage, illustrating covert tactical ingenuity. **In simple terms:** A thin sheet explosive opens doors quietly. Key Takeaway Use precision tools to minimize collateral. Themes technology tactics innovation Mood tense clinical Type technical strategic When to use this quote - military operations - law enforcement raids - emergency entry - counter‑terrorism - intelligence missions Key Concepts explosives special forces stealth security Questions to Reflect On - What ethical limits apply to covert force? - How can such tech be misused? A Different Perspective Effectiveness depends on accurate intelligence and safe handling. ★ ★ ★ ★ ★ No ratings yet [Collateral damage](https://sms4smile.com/quotes/about/collateral-damage/) [Explosive](https://sms4smile.com/quotes/about/explosive/) [Explosive Key4](https://sms4smile.com/quotes/about/explosive-key4-5830357/) [Explosive Worked](https://sms4smile.com/quotes/about/explosive-worked-5830358/) [Key4 Developed](https://sms4smile.com/quotes/about/key4-developed-5830360/) [Reading room](https://sms4smile.com/quotes/about/reading-room/) [Room Explosive](https://sms4smile.com/quotes/about/room-explosive-5830359/) [Special forces](https://sms4smile.com/quotes/about/special-forces/) ## Related quotes > [To slide into the domed reading room at ten each morning, specially in summer, off the hot street outside, was a sensation as delicious…](https://sms4smile.com/quotes/helen-garner/to-slide-into-the-domed-reading-room-at-ten-each-morning-specially-in/) [Helen Garner](https://sms4smile.com/quotes/author/helen-garner/) > [Back at the Chateau Windsor there was a rat-like scratching at the door of my room. Vinod, the youngest servant, came in with a…](https://sms4smile.com/quotes/tahir-shah/back-at-the-chateau-windsor-there-was-a-rat-like-scratching-at-the/) [Tahir Shah](https://sms4smile.com/quotes/author/tahir-shah/) > [You must find time for reading, or surrender yourself to self-chosen ignorance.](https://sms4smile.com/quotes/confucius/you-must-find-time-for-reading-or-surrender-yourself-to-self-chosen/) [Confucius](https://sms4smile.com/quotes/author/confucius/) > [If I were founding a university I would begin with a smoking room; next a dormitory; and then a decent reading room and a…](https://sms4smile.com/quotes/stephen-leacock/if-i-were-founding-a-university-i-would-begin-with-a-smoking-room/) [Stephen Leacock](https://sms4smile.com/quotes/author/stephen-leacock/) > [The honor of being able to play Maura is transformative. I'm 70 years old. I should be in a reading room, reading Dickens or something.](https://sms4smile.com/quotes/jeffrey-tambor/the-honor-of-being-able-to-play-maura-is-transformative-i-m-70-years/) [Jeffrey Tambor](https://sms4smile.com/quotes/author/jeffrey-tambor/) > [The skill set of pastor and comedian are incredibly similar. You want to affect people. You're good at reading rooms. You're persuasive, and you're…](https://sms4smile.com/quotes/pete-holmes/the-skill-set-of-pastor-and-comedian-are-incredibly-similar-you-want/) [Pete Holmes](https://sms4smile.com/quotes/author/pete-holmes/) > [“No other library anywhere, for example, has a whole gallery of unwritten books - books that would have been written if the author hadn't…](https://sms4smile.com/quotes/terry-pratchett/no-other-library-anywhere-for-example-has-a-whole-gallery-of/) [Terry Pratchett](https://sms4smile.com/quotes/author/terry-pratchett/) > [I think reading a room - reading the personalities, reading body language - is kind of a lost art.](https://sms4smile.com/quotes/bonnie-hammer/i-think-reading-a-room-reading-the-personalities-reading-body/) [Bonnie Hammer](https://sms4smile.com/quotes/author/bonnie-hammer/) > [The doors of churches, hotels, concert halls and reading rooms are alike closed against the Negro as a man, but every place is open…](https://sms4smile.com/quotes/ida-b-wells/the-doors-of-churches-hotels-concert-halls-and-reading-rooms-are/) [Ida B. Wells](https://sms4smile.com/quotes/author/ida-b-wells/) > [“Then we will do two things," Penumbra says, nodding. "First, I will tell you just a little of our history. Then, to understand, you…](https://sms4smile.com/quotes/robin-sloan/then-we-will-do-two-things-penumbra-says-nodding-first-i-will-tell/) [Robin Sloan](https://sms4smile.com/quotes/author/robin-sloan/) > [ It seems to me one cannot sit down in that place \[the Round Reading room of the British Museum\] without a heart full of… ](https://sms4smile.com/quotes/william-makepeace-thackeray/it-seems-to-me-one-cannot-sit-down-in-that-place-the-round-reading/) [William Makepeace Thackeray](https://sms4smile.com/quotes/author/william-makepeace-thackeray/) > [“So maybe the Reading Room is magic because books really are magic. I read once that books bend both space and time, and the…](https://sms4smile.com/quotes/kelly-barnhill/so-maybe-the-reading-room-is-magic-because-books-really-are-magic-i/) [Kelly Barnhill](https://sms4smile.com/quotes/author/kelly-barnhill/) > [“The reading rooms were large and quiet. Their windows were filmed in dust and desiccated insects, and seemed to age the light falling across…](https://sms4smile.com/quotes/china-mi-ville/the-reading-rooms-were-large-and-quiet-their-windows-were-filmed-in/) [China Miéville](https://sms4smile.com/quotes/author/china-mi-ville/) > [“He glanced around the reading room and closed his eyes, trying to keep hold of the past for a minute longer, a fattening and…](https://sms4smile.com/quotes/robert-harris/he-glanced-around-the-reading-room-and-closed-his-eyes-trying-to-keep/) [Robert Harris](https://sms4smile.com/quotes/author/robert-harris/) > [I go back to the reading room, where I sink down in the sofa and into the world of The Arabian Nights. Slowly, like…](https://sms4smile.com/quotes/haruki-murakami/i-go-back-to-the-reading-room-where-i-sink-down-in-the-sofa-and-into/) [Haruki Murakami](https://sms4smile.com/quotes/author/haruki-murakami/) ## More by Dan Brown > [The more science I studied, the more I saw that physics becomes metaphysics and numbers become imaginary numbers. The farther you go into science,…](https://sms4smile.com/quotes/dan-brown/the-more-science-i-studied-the-more-i-saw-that-physics-becomes/) [Dan Brown](https://sms4smile.com/quotes/author/dan-brown/) > [A little faith can do wonders...](https://sms4smile.com/quotes/dan-brown/a-little-faith-can-do-wonders/) [Dan Brown](https://sms4smile.com/quotes/author/dan-brown/) > [For me, the spiritual quest will be a life-long work in progress.](https://sms4smile.com/quotes/dan-brown/for-me-the-spiritual-quest-will-be-a-life-long-work-in-progress/) [Dan Brown](https://sms4smile.com/quotes/author/dan-brown/) > [Sometimes all it takes is a tiny shift of perspective to see something familiar in a totally new light.](https://sms4smile.com/quotes/dan-brown/sometimes-all-it-takes-is-a-tiny-shift-of-perspective-to-see/) [Dan Brown](https://sms4smile.com/quotes/author/dan-brown/) > [“Leonardo believed his research had the potential to convert millions to a more spiritual life. Last year he categorically proved the existence of an…](https://sms4smile.com/quotes/dan-brown/leonardo-believed-his-research-had-the-potential-to-convert-millions/) [Dan Brown](https://sms4smile.com/quotes/author/dan-brown/) > [“The price of greatness...is responsibility - Winston Churchill”](https://sms4smile.com/quotes/dan-brown/the-price-of-greatness-is-responsibility-winston-churchill/) [Dan Brown](https://sms4smile.com/quotes/author/dan-brown/) > [I am a completely horizontal author. I can't think unless I'm lying down, either in bed or stretched on a couch and with a…](https://sms4smile.com/quotes/dan-brown/i-am-a-completely-horizontal-author-i-can-t-think-unless-i-m-lying/) [Dan Brown](https://sms4smile.com/quotes/author/dan-brown/) > [We did not have a television while I was growing up, and so I read voraciously. My earliest memory of being utterly transfixed by…](https://sms4smile.com/quotes/dan-brown/we-did-not-have-a-television-while-i-was-growing-up-and-so-i-read/) [Dan Brown](https://sms4smile.com/quotes/author/dan-brown/) > [“Robert,” Ambra whispered, “just remember the wise words of Disney’s Princess Elsa.” Langdon turned. “I’m sorry?” Ambra smiled softly. “Let it go.”](https://sms4smile.com/quotes/dan-brown/robert-ambra-whispered-just-remember-the-wise-words-of-disney-s/) [Dan Brown](https://sms4smile.com/quotes/author/dan-brown/) > [“¿Tienes enemigos? Bien. ¡Eso significa que has defendido algo!”.”](https://sms4smile.com/quotes/dan-brown/tienes-enemigos-bien-eso-significa-que-has-defendido-algo/) [Dan Brown](https://sms4smile.com/quotes/author/dan-brown/) > [Who will guard the guards ? If we're the guards of society, then who will watch us and make sure that we're not dangerous?](https://sms4smile.com/quotes/dan-brown/who-will-guard-the-guards-if-we-re-the-guards-of-society-then-who/) [Dan Brown](https://sms4smile.com/quotes/author/dan-brown/) > [“Dante's poem, Langdon was now reminded, was not so much about the misery of hell as it was about the power of the human…](https://sms4smile.com/quotes/dan-brown/dante-s-poem-langdon-was-now-reminded-was-not-so-much-about-the/) [Dan Brown](https://sms4smile.com/quotes/author/dan-brown/) > [It's kind of a catch-22 now because since the 'Da Vinci Code,' I have access to places and people that I didn't have access…](https://sms4smile.com/quotes/dan-brown/it-s-kind-of-a-catch-22-now-because-since-the-da-vinci-code-i-have/) [Dan Brown](https://sms4smile.com/quotes/author/dan-brown/) > [“The man was no stranger to deception, and yet his heart was pounding wildly now. He took another deep, throbbing breath. You've been deceiving…](https://sms4smile.com/quotes/dan-brown/the-man-was-no-stranger-to-deception-and-yet-his-heart-was-pounding/) [Dan Brown](https://sms4smile.com/quotes/author/dan-brown/) > [“the entire operating system of the cosmos could be summed up by a single overriding command: spread energy!”](https://sms4smile.com/quotes/dan-brown/the-entire-operating-system-of-the-cosmos-could-be-summed-up-by-a/) [Dan Brown](https://sms4smile.com/quotes/author/dan-brown/) [Explore all 833 Dan Brown quotes ](https://sms4smile.com/quotes/author/dan-brown/) ## More Collateral damage quotes > [Gun control laws don't work. What is worse, they act perversely. While legitimate users of firearms encounter intense regulation, scrutiny and bureaucratic control, illicit…](https://sms4smile.com/quotes/daniel-d-polsby/gun-control-laws-don-t-work-what-is-worse-they-act-perversely-while/) [Daniel D. Polsby](https://sms4smile.com/quotes/author/daniel-d-polsby/) > [President Obama has never summarized the Obama Doctrine with such clarity, but here is what it would look like: 'I will undertake any military…](https://sms4smile.com/quotes/elliott-abrams/president-obama-has-never-summarized-the-obama-doctrine-with-such/) [Elliott Abrams](https://sms4smile.com/quotes/author/elliott-abrams/) > [Asymmetrical warfare is a euphemism for terrorism, just like collateral damage is a euphemism for killing innocent civilians.](https://sms4smile.com/quotes/alan-dershowitz/asymmetrical-warfare-is-a-euphemism-for-terrorism-just-like/) [Alan Dershowitz](https://sms4smile.com/quotes/author/alan-dershowitz/) > [“But it was definitely a hecatomb, a slaughter on a staggering scale that was not intentional, but that could have been recognized much earlier…](https://sms4smile.com/quotes/david-van-reybrouck/but-it-was-definitely-a-hecatomb-a-slaughter-on-a-staggering-scale/) [David Van Reybrouck](https://sms4smile.com/quotes/author/david-van-reybrouck/) > [Cameras help to minimize collateral damage, and very often, without a camera a missile cannot fire. Certainly, without a camera a drone can't function,…](https://sms4smile.com/quotes/judith-butler/cameras-help-to-minimize-collateral-damage-and-very-often-without-a/) [Judith Butler](https://sms4smile.com/quotes/author/judith-butler/) > [When it's important enough, you speak up. You tell people what you need. You show them who you are. You ask. And you do…](https://sms4smile.com/quotes/anonymous/when-it-s-important-enough-you-speak-up-you-tell-people-what-you-need/) [Anonymous](https://sms4smile.com/quotes/author/anonymous/) > [Democracy is becoming collateral damage in a world where global risks have been ignored or exacerbated by those with the power to act.](https://sms4smile.com/quotes/sharan-burrow/democracy-is-becoming-collateral-damage-in-a-world-where-global-risks/) [Sharan Burrow](https://sms4smile.com/quotes/author/sharan-burrow/) > [I'm collateral damage. I'm road kill. And in 72 hours, nobody is going to remember who I am nor are they going to care.](https://sms4smile.com/quotes/eric-massa/i-m-collateral-damage-i-m-road-kill-and-in-72-hours-nobody-is-going/) [Eric Massa](https://sms4smile.com/quotes/author/eric-massa/) > [What I do know is that drones are a modern weapon. When used effectively, when taking out ISIS or terrorist leaders, that's pretty impressive.…](https://sms4smile.com/quotes/bernie-sanders/what-i-do-know-is-that-drones-are-a-modern-weapon-when-used/) [Bernie Sanders](https://sms4smile.com/quotes/author/bernie-sanders/) > [It is the most painful thing to see how young children become collateral damage of wars, but when peace treaties are signed landmines do…](https://sms4smile.com/quotes/danny-glover/it-is-the-most-painful-thing-to-see-how-young-children-become/) [Danny Glover](https://sms4smile.com/quotes/author/danny-glover/) > [“When I talk about kindness in business, a few people scoff. They say, “Steve Jobs and the leaders at Apple created a pressure-cooker environment…](https://sms4smile.com/quotes/brian-de-haaff/when-i-talk-about-kindness-in-business-a-few-people-scoff-they-say/) [Brian de Haaff](https://sms4smile.com/quotes/author/brian-de-haaff/) > [The only time Republicans will shake fists and point fingers is over a war delayed, one that isn't led by the US, or a…](https://sms4smile.com/quotes/ilana-mercer/the-only-time-republicans-will-shake-fists-and-point-fingers-is-over/) [Ilana Mercer](https://sms4smile.com/quotes/author/ilana-mercer/) > [“Exercising an unfit muscle causes soreness, which is followed by improved muscle function and increased resistance of that muscle to become sore. In that…](https://sms4smile.com/quotes/jeff-s-volek/exercising-an-unfit-muscle-causes-soreness-which-is-followed-by/) [Jeff S. Volek](https://sms4smile.com/quotes/author/jeff-s-volek/) > [In all the debate about Afghanistan, we don't hear much about our obligation to the wretched lives of Afghan women. 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