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Change Quote by Richard P. Feynman

“It is probably better to realize that the probability concept is in a sense subjective, that it is always based on uncertain knowledge, and that its quantitative evaluation is subject to change as we obtain more information.” quote by Richard P. Feynman
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““It is probably better to realize that the probability concept is in a sense subjective, that it is always based on uncertain knowledge, and that its quantitative evaluation is subject to change as we obtain more information.””

Richard P. Feynman

About This Quote

Source Lecture: The Character of Physical Law, Richard Feynman, 1965

Probability reflects personal belief based on limited knowledge, and updates as new data arrive, showing its inherent subjectivity.

In simple terms: Probability depends on what we know and changes with new info.

Key Takeaway

Accept uncertainty and revise beliefs.

Themes

science uncertainty knowledge probability

Mood

thoughtful inquisitive analytical

Type

educational philosophical scientific

When to use this quote

  • risk assessment
  • medical diagnosis
  • weather forecasting
  • financial modeling
  • policy making

Key Concepts

Bayesian inference subjectivity epistemology

Questions to Reflect On

  • What evidence would change your probability estimate?
  • How do you handle uncertainty in decisions?
A Different Perspective

Assuming objectivity can cause overconfidence.

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