Richard P. Feynman Quotes About Probability

Quotes about: Probability

• It appears that there are enormous differences of opinion as to the probability of a failure with loss of vehicle and of human life. The estimates range from roughly 1 in 100 to 1 in 100,000. The higher figures come from the working engineers, and the very low figures from management.

  Richard P. Feynman

  Loss, Differences, Safety

  Richard P. Feynman (2011). “"What Do You Care What Other People Think?": Further Adventures of a Curious Character”, p.238, W. W. Norton & Company

• Thus we can get the correct answer for the probability of partial reflection by imagining (falsely) that all reflection comes from only the front and back surfaces. In this intuitively easy analysis, the 'front surface' and 'back surface' arrows are mathematical constructions that give us the right answer, whereas .... a more accurate representation of what is really going on: partial reflection is the scattering of light by electrons inside the glass.

  Richard P. Feynman

  Reflection, Arrows, Glasses

• If a guy tells me the probability of failure is 1 in 100,000, I know he's full of crap.

  Richard P. Feynman

  Guy, Probability, Crap

• In its efforts to learn as much as possible about nature, modern physics has found that certain things can never be "known" with certainty. Much of our knowledge must always remain uncertain. The most we can know is in terms of probabilities.

  Richard P. Feynman

  Effort, Physics, Modern

  The Feynman Lectures on Physics (pp. 6-1 1)

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