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Science & Tech Quote by Jean Rostand

"It is sometimes important for science to know how to forget the things she is surest of"

About this Quote

Science flatters itself as a memory machine: facts banked, errors corrected, knowledge steadily compounding. Rostand punctures that self-myth with a bracing provocation: sometimes the most scientific move is deliberate amnesia. Not ignorance, not anti-intellectualism, but a disciplined willingness to unlearn the very ideas that feel safest because they have been rewarded by past success.

The personification matters. “Science” becomes “she,” a figure with attachments, habits, even vanity. Rostand implies that certainty has an emotional ecology: institutions build careers on it, textbooks harden it, funding structures defend it. What we are “surest of” isn’t just what’s most evidenced; it’s what’s most socially reinforced. Forgetting, then, is not a cognitive act alone but a political one - a refusal to let prestige masquerade as permanence.

Rostand wrote in a century when biology was repeatedly reorganized by shocks: genetics, molecular biology, changing views of heredity and development, and the grim spectacle of scientific authority being conscripted into eugenic fantasies. Against that backdrop, “forgetting” reads like an ethical safeguard. When science cannot relinquish its certainties, it stops being an engine of discovery and becomes a technology of justification.

The line also smuggles in a methodological truth: breakthroughs often arrive when a field relaxes its most “obvious” assumptions and permits anomalous data to matter. Rostand’s intent is less to celebrate doubt than to weaponize humility - not as a pose, but as a practice.

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APA Style (7th ed.)
Rostand, Jean. (2026, January 18). It is sometimes important for science to know how to forget the things she is surest of. FixQuotes. https://fixquotes.com/quotes/it-is-sometimes-important-for-science-to-know-how-11584/

Chicago Style
Rostand, Jean. "It is sometimes important for science to know how to forget the things she is surest of." FixQuotes. January 18, 2026. https://fixquotes.com/quotes/it-is-sometimes-important-for-science-to-know-how-11584/.

MLA Style (9th ed.)
"It is sometimes important for science to know how to forget the things she is surest of." FixQuotes, 18 Jan. 2026, https://fixquotes.com/quotes/it-is-sometimes-important-for-science-to-know-how-11584/. Accessed 30 Mar. 2026.

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About the Author

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Jean Rostand (October 30, 1894 - September 4, 1977) was a Scientist from France.

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