"History is, in its essentials, the science of change. It knows and it teaches that it is impossible to find two events that are ever exactly alike, because the conditions from which they spring are never identical"
About this Quote
The subtext is methodological, even moral. Bloch’s "impossible to find two events that are ever exactly alike" isn’t a plea for relativism; it’s a demand for rigor. If conditions are never identical, then explanation has to be contextual: causation becomes a web, not a single chain. The real target is simplistic determinism, the idea that history runs on repeat if you just squint hard enough. Bloch is arguing for comparison without copy-pasting.
Context sharpens the stakes. Writing as a founder of the Annales school, Bloch fought against narrow event-chasing and championed deep structures: geography, economy, mentalities. As a French Jew, a soldier in World War I, and later a Resistance member executed by the Gestapo, he lived through moments when false historical analogies became lethal political tools. In that light, his warning reads less like academic housekeeping and more like a civic defense: if you mistake resemblance for identity, you misjudge your present - and you give power to people who profit from easy parallels.
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Citation Formats
APA Style (7th ed.)
Bloch, Marc. (2026, January 14). History is, in its essentials, the science of change. It knows and it teaches that it is impossible to find two events that are ever exactly alike, because the conditions from which they spring are never identical. FixQuotes. https://fixquotes.com/quotes/history-is-in-its-essentials-the-science-of-3520/
Chicago Style
Bloch, Marc. "History is, in its essentials, the science of change. It knows and it teaches that it is impossible to find two events that are ever exactly alike, because the conditions from which they spring are never identical." FixQuotes. January 14, 2026. https://fixquotes.com/quotes/history-is-in-its-essentials-the-science-of-3520/.
MLA Style (9th ed.)
"History is, in its essentials, the science of change. It knows and it teaches that it is impossible to find two events that are ever exactly alike, because the conditions from which they spring are never identical." FixQuotes, 14 Jan. 2026, https://fixquotes.com/quotes/history-is-in-its-essentials-the-science-of-3520/. Accessed 3 Feb. 2026.








