Richard P. Feynman Quotes - Page 2

Quotes about:

• We absolutely must leave room for doubt or there is no progress and no learning. There is no learning without having to pose a question. And a question requires doubt. People search for certainty. But there is no certainty.

  Richard P. Feynman

  People, Doubt, Progress

  "The Pleasure of Finding Things Out". Book by Richard P. Feynman, 1999.

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• If you thought that science was certain - well, that is just an error on your part.

  Richard P. Feynman

  Science, Errors, Certain

  Richard P. Feynman (2015). “The Quotable Feynman”, p.349, Princeton University Press

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• Scientific knowledge is a body of statements of varying degrees of certainty -- some most unsure, some nearly sure, none absolutely certain.

  Richard P. Feynman

  Degrees, Body, Absolute Certainty

  Richard P. Feynman (2011). “"What Do You Care What Other People Think?": Further Adventures of a Curious Character”, p.263, W. W. Norton & Company

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• First you guess. Don't laugh, this is the most important step. Then you compute the consequences. Compare the consequences to experience. If it disagrees with experience, the guess is wrong. In that simple statement is the key to science. It doesn't matter how beautiful your guess is or how smart you are or what your name is. If it disagrees with experience, it's wrong. That's all there is to it.

  Richard P. Feynman

  Beautiful, Smart, Science

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• Science is the organized skepticism in the reliability of expert opinion

  Richard P. Feynman

  Reliability, Experts, Opinion

  57 Copy quote

• The thing that doesn't fit is the thing that is most interesting.

  Richard P. Feynman

  Interesting, Fit, Most Interesting

  33 Copy quote

• We have this terrible struggle to try to explain things to people who have no reason to want to know.

  Richard P. Feynman

  Struggle, Communication, People

  Richard P. Feynman (2005). “The Pleasure of Finding Things Out: The Best Short Works of Richard P. Feynman”, p.61, Hachette UK

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• Nobody ever figures out what life is all about, and it doesn't matter. Explore the world. Nearly everything is really interesting if you go into it deeply enough.

  Richard P. Feynman

  Interesting, World, Matter

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• I, a universe of atoms, an atom in the universe.

  Richard P. Feynman

  Atoms, Cosmology, Universe

  Richard P. Feynman (2015). “The Quotable Feynman”, p.65, Princeton University Press

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• Scientists are explorers. Philosophers are tourists.

  Richard P. Feynman

  Science, Tourists, Philosopher

  Richard P. Feynman (2015). “The Quotable Feynman”, p.113, Princeton University Press

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• You do not know anything until you have practiced.

  Richard P. Feynman

  Knows

  23 Copy quote

• What I cannot create, I do not understand.

  Richard P. Feynman

  Inspiring, Education, Learning

  Quoted in James Gleick, Genius: The Life and Science of Richard Feynman (1992)

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• To develop working ideas efficiently, I try to fail as fast as I can.

  Richard P. Feynman

  Failure, Ideas, Trying

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• What is not surrounded by uncertainty cannot be the truth.

  Richard P. Feynman

  Uncertainty

  Richard P. Feynman (2015). “The Quotable Feynman”, p.290, Princeton University Press

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• There is no learning without having to pose a question. And a question requires doubt.

  Richard P. Feynman

  Doubt, No Doubt

  Richard P. Feynman (2005). “The Pleasure of Finding Things Out: The Best Short Works of Richard P. Feynman”, p.61, Hachette UK

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• I wonder why. I wonder why. I wonder why I wonder.

  Richard P. Feynman

  Wonder

  Richard P. Feynman (2015). “The Quotable Feynman”, p.167, Princeton University Press

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• Progress in science comes when experiments contradict theory.

  Richard P. Feynman

  Science, Progress, Theory

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• The "paradox" is only a conflict between reality and your feeling of what reality "ought to be."

  Richard P. Feynman

  Reality, Feelings, Conflict

  "The Feynman Lectures on Physics, Volume III". Book edited by Robert B. Leighton and Matthew Sands (pp. 18-19), 1964.

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• Teach principles not formulas.

  Richard P. Feynman

  Principles, Teach, Formulas

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• When things are going well, something will go wrong. / When things just can't get any worse, they will. / Anytime things appear to be going better, you have overlooked something.

  Richard P. Feynman

  Difficulty, Wells, Overlooked

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• You can know the name of a bird in all the languages of the world, but when you're finished, you'll know absolutely nothing whatever about the bird... So let's look at the bird and see what it's doing -- that's what counts.

  Richard P. Feynman

  Science, Names, Bird

  Richard P. Feynman (2015). “The Quotable Feynman”, p.68, Princeton University Press

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• It does not matter who you are, or how smart you are, or what title you have, or how many of you there are, and certainly not how many papers your side has published, if your prediction is wrong then your hypothesis is wrong. Period.

  Richard P. Feynman

  Smart, Your Side, Matter

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• Nature uses only the longest threads to weave her patterns, so that each small piece of her fabric reveals the organization of the entire tapestry.

  Richard P. Feynman

  Uplifting, Wisdom, Nature

  Richard P. Feynman (2015). “The Quotable Feynman”, p.66, Princeton University Press

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• Physics is to mathematics what sex is to masturbation.

  Richard P. Feynman

  Sex, Math, Science

  "Fear of Physics: A Guide for the Perplexed". Book by Lawrence M. Krauss (p. 27), 1993.

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• Everything we know is only some kind of approximation, because we know that we do not know all the laws yet. Therefore, things must be learned only to be unlearned again or, more likely, to be corrected.

  Richard P. Feynman

  Law, Kind, Skepticism

  Richard P. Feynman, Robert B. Leighton, Matthew Sands (2013). “The Feynman Lectures on Physics, Desktop Edition Volume I”, Basic Books

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