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War & Peace Quote by Albert Einstein

"I know not with what weapons World War III will be fought, but World War IV will be fought with sticks and stones"

About this Quote

Einstein’s line lands like a deadpan prophecy: the most brilliant mind of the machine age imagining the next great leap in human “progress” as a boomerang that knocks us back into prehistory. The sting is in the structure. He refuses to speculate about World War III’s weapons not because he can’t, but because the point isn’t the gadgetry. It’s the aftermath. By skipping directly to World War IV, he treats catastrophe as the default sequel, a franchised inevitability once a civilization normalizes total war.

The subtext is an indictment dressed as understatement. A physicist who helped make the atomic era thinkable is warning that technological mastery has outpaced political maturity. “Sticks and stones” isn’t quaint; it’s an image of infrastructure erased, institutions vaporized, knowledge lost, survivors reduced to whatever the body can lift. The rhetorical trick is the childlike phrasing. It makes the end of modernity sound like a schoolyard.

Context sharpens the moral urgency. Einstein said variations of this after Hiroshima and Nagasaki, as the Cold War set in and nuclear escalation stopped being a nightmare and became strategy. Coming from him, it reads as penance and alarm bell at once: the scientist acknowledging that discovery doesn’t come with a conscience attached.

What makes it work culturally is that it punctures the techno-optimist story. It doesn’t argue policy. It attacks the fantasy that smarter weapons mean safer world order. If World War IV is primitive, it’s because World War III was “advanced” in the most obscene way possible.

Quote Details

TopicWar
Source
Later attribution: World War III (Deepak Singhania, 2019) modern compilationISBN: 9781646786671 · ID: bBbHDwAAQBAJ
Text match: 95.22%   Provider: Google Books
Evidence:
... Albert Einstein suggested that any outcome of World War III would be so dire as to revert mankind back to Stone Age ... I know not with what weapons World War III will be fought , but World War IV will be fought with sticks and stones ...
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Citation Formats

APA Style (7th ed.)
Einstein, Albert. (2026, February 9). I know not with what weapons World War III will be fought, but World War IV will be fought with sticks and stones. FixQuotes. https://fixquotes.com/quotes/i-know-not-with-what-weapons-world-war-iii-will-25288/

Chicago Style
Einstein, Albert. "I know not with what weapons World War III will be fought, but World War IV will be fought with sticks and stones." FixQuotes. February 9, 2026. https://fixquotes.com/quotes/i-know-not-with-what-weapons-world-war-iii-will-25288/.

MLA Style (9th ed.)
"I know not with what weapons World War III will be fought, but World War IV will be fought with sticks and stones." FixQuotes, 9 Feb. 2026, https://fixquotes.com/quotes/i-know-not-with-what-weapons-world-war-iii-will-25288/. Accessed 13 Feb. 2026.

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Albert Einstein

Albert Einstein (March 14, 1879 - April 18, 1955) was a Physicist from Germany.

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