Linus Pauling — "Science is the search for truth, but it is not the search for certainty. When sc…"

Science is the search for truth, but it is not the search for certainty. When science is used to search for certainty, it becomes something other than science.
Linus Pauling — Linus Pauling Modern · Chemical bond theory, peace activism

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Discussing the nature of scientific investigation.

Date: Unknown, likely later in his career

Educational

Verification

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Found in 1 providers: grok

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Understanding this quote

What it means

Science pursues truth through questioning, testing, and revising — not through locking in final answers. Certainty belongs to dogma and ideology, not inquiry. The moment a field stops questioning its conclusions and demands fixed, unquestionable answers, it has abandoned the scientific method. Real science holds findings provisionally, always open to revision when better evidence emerges. Intellectual honesty requires embracing uncertainty as a feature, not a flaw.

Relevance to Linus Pauling

Pauling won two Nobel Prizes — Chemistry (1954) for chemical bonding theory, and Peace (1962) for opposing nuclear weapons testing. His activism clashed with Cold War certainty-seekers demanding scientists align politically. He also controversially championed high-dose Vitamin C, demonstrating firsthand the tension between provisional findings and settled consensus — sometimes getting it wrong himself, which made his defense of open inquiry deeply personal and hard-won.

The era

Pauling lived through the 20th century (1901–1994), when both superpowers weaponized science for ideological ends — Soviet Lysenkoism forced biologists to reject genetics, while American McCarthyism pressured researchers over nuclear policy. Science was routinely co-opted to manufacture certainty for propaganda purposes. His insistence that genuine inquiry must remain open, provisional, and self-correcting was a direct rebuke of how governments on both sides misappropriated scientific authority.

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