"Empires won by conquest have always fallen either by revolt within or by defeat by a rival"
About this Quote
The subtext is political, not antiquarian. Orr was a public health reformer turned statesman, and later the first head of the UN’s Food and Agriculture Organization, writing in an era when Britain’s imperial self-image was colliding with anticolonial movements and a new superpower rivalry. He’s arguing that domination is not just immoral; it’s strategically stupid. Conquest doesn’t create legitimacy, it manufactures resistance. Even when the “center” looks strong, it’s brittle: rule by force means constant spending on coercion, constant fear of “internal” populations, constant justification narratives that stop convincing.
The quote’s intent is preventative. Orr is warning policymakers against imagining stability can be engineered through victory alone. Revolt within and defeat by a rival aren’t two different fates so much as two versions of the same lesson: power taken without consent must be guarded forever, and nothing can be guarded forever.
Quote Details
| Topic | War |
|---|---|
| Source | Verified source: Science and Peace (John Boyd Orr, 1949)
Evidence:
Empires won by conquest have always fallen either by revolt within or by defeat by a rival.. This sentence appears in John Boyd Orr’s Nobel Peace Prize Lecture titled “Science and Peace,” delivered December 12, 1949 (Oslo). On NobelPrize.org it appears under the section heading “Annexation by Conquest Must Change to Union by Consent,” immediately followed by: “We are now moving from conquest to union by consent…”. The NobelPrize.org version is a primary-source publication of the lecture text. I did not, in this search pass, locate an earlier (pre–Dec 12, 1949) publication/speech instance; verifying whether it appeared earlier would require checking contemporaneous printed pamphlets/transcripts, newspapers, or Orr’s earlier writings. |
| Cite |
Citation Formats
APA Style (7th ed.)
Orr, John Boyd. (2026, February 13). Empires won by conquest have always fallen either by revolt within or by defeat by a rival. FixQuotes. https://fixquotes.com/quotes/empires-won-by-conquest-have-always-fallen-either-156827/
Chicago Style
Orr, John Boyd. "Empires won by conquest have always fallen either by revolt within or by defeat by a rival." FixQuotes. February 13, 2026. https://fixquotes.com/quotes/empires-won-by-conquest-have-always-fallen-either-156827/.
MLA Style (9th ed.)
"Empires won by conquest have always fallen either by revolt within or by defeat by a rival." FixQuotes, 13 Feb. 2026, https://fixquotes.com/quotes/empires-won-by-conquest-have-always-fallen-either-156827/. Accessed 27 Mar. 2026.








