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Certain Quote by Karl Popper

“No particular theory may ever be regarded as absolutely certain… No scientific theory is sacrosanct...” quote by Karl Popper
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“No particular theory may ever be regarded as absolutely certain… No scientific theory is sacrosanct...”

Karl Popper

About This Quote

Source Book: Conjectures and Refutations, 1963

Scientific theories are provisional; they can never be absolutely certain and must remain open to falsification.

In simple terms: Theories are never final.

Key Takeaway

Accept uncertainty, keep testing ideas.

Themes

science philosophy uncertainty

Mood

thoughtful inquisitive

Type

philosophical academic

When to use this quote

  • research
  • policy making
  • education
  • public debate

Key Concepts

falsifiability critical rationalism

Questions to Reflect On

  • How do we balance confidence and skepticism?
  • When should we trust a theory?
A Different Perspective

Theories may still guide action despite uncertainty.

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