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Leadership Quote by Thomas Jefferson

"The good opinion of mankind, like the lever of Archimedes, with the given fulcrum, moves the world"

About this Quote

Public approval isn’t just a nice-to-have for Jefferson; it’s mechanical force. By likening “the good opinion of mankind” to Archimedes’ lever, he frames legitimacy as physics: invisible pressure converted into unmistakable movement. The metaphor does two things at once. It flatters Enlightenment rationality (politics as knowable, engineerable) and quietly insists that reputations, ideas, and moral standing can outperform armies.

The key phrase is “with the given fulcrum.” Archimedes’ boast only works if you have a fixed point to push against. Jefferson’s subtext is that public opinion isn’t omnipotent by itself; it needs an anchor: institutions, shared principles, credible leadership, a press, a Constitution people recognize as binding. In the revolutionary era, that “fulcrum” was fragile and newly invented. Monarchies claimed authority from tradition and God; republics had to manufacture steadiness out of consent. Jefferson is signaling that the real work of statecraft is building and protecting the pivot point that makes consent actionable.

Context sharpens the intent. Jefferson lived in a world where international “opinion” was becoming power: European publics and elites judged the American experiment, credit markets priced trust, and republican governments depended on civic buy-in rather than dynastic inevitability. He’s also defending persuasion as strategy. Win minds and you can “move the world” without conquering it - and without surrendering to raw coercion. The line reads like idealism, but it’s also a pragmatic manual for a young nation trying to survive on credibility.

Quote Details

TopicWisdom
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Citation Formats

APA Style (7th ed.)
Jefferson, Thomas. (2026, January 17). The good opinion of mankind, like the lever of Archimedes, with the given fulcrum, moves the world. FixQuotes. https://fixquotes.com/quotes/the-good-opinion-of-mankind-like-the-lever-of-34663/

Chicago Style
Jefferson, Thomas. "The good opinion of mankind, like the lever of Archimedes, with the given fulcrum, moves the world." FixQuotes. January 17, 2026. https://fixquotes.com/quotes/the-good-opinion-of-mankind-like-the-lever-of-34663/.

MLA Style (9th ed.)
"The good opinion of mankind, like the lever of Archimedes, with the given fulcrum, moves the world." FixQuotes, 17 Jan. 2026, https://fixquotes.com/quotes/the-good-opinion-of-mankind-like-the-lever-of-34663/. Accessed 5 Feb. 2026.

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Thomas Jefferson

Thomas Jefferson (April 13, 1743 - July 4, 1826) was a President from USA.

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