Richard P. Feynman Quotes

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• I would rather have questions that can't be answered than answers that can't be questioned.

  Richard P. Feynman

  Answers

  254 Copy quote

• Science is the belief in the ignorance of experts.

  Richard P. Feynman

  Ignorance, Science, Thinking

  Richard P. Feynman (2015). “The Quotable Feynman”, p.291, Princeton University Press

  122 Copy quote

• If you can't explain something to a first year student, then you haven't really understood .

  Richard P. Feynman

  Years, Firsts, Students

  108 Copy quote

• It doesn't matter how beautiful your theory is, it doesn't matter how smart you are. If it doesn't agree with experiment, it's wrong.

  Richard P. Feynman

  Beautiful, Smart, Science

  142 Copy quote

• Fall in love with some activity, and do it! 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. Work as hard and as much as you want to on the things you like to do the best. Don't think about what you want to be, but what you want to do. Keep up some kind of a minimum with other things so that society doesn't stop you from doing anything at all.

  Richard P. Feynman

  Falling In Love, Thinking, Interesting

  229 Copy quote

• We never are definitely right, we can only be sure we are wrong.

  Richard P. Feynman

  39 Copy quote

• The first principle is that you must not fool yourself and you are the easiest person to fool.

  Richard P. Feynman

  Clever, Love Life, Science

  Richard P. Feynman (2015). “The Quotable Feynman”, p.345, Princeton University Press

  101 Copy quote

• Religion is a culture of faith; science is a culture of doubt.

  Richard P. Feynman

  Philosophy, Science, Technology

  92 Copy quote

• Study hard what interests you the most in the most undisciplined, irreverent and original manner possible.

  Richard P. Feynman

  Inspirational, Encouraging, Education

  Richard P. Feynman (2008). “Perfectly Reasonable Deviations from the Beaten Track: The Letters of Richard P. Feynman”, p.256, Hachette UK

  238 Copy quote

• You can always recognize truth by its beauty and simplicity.

  Richard P. Feynman

  Simplicity

  43 Copy quote

• If you think you understand quantum mechanics, you don't understand quantum mechanics.

  Richard P. Feynman

  Thinking, Mechanic, Quantum

  182 Copy quote

• Don't pay attention to "authorities," think for yourself.

  Richard P. Feynman

  Thinking, Attention, Pay

  Richard P. Feynman (2015). “The Quotable Feynman”, p.320, Princeton University Press

  51 Copy quote

• We need to teach how doubt is not to be feared but welcomed. It's OK to say, "I don't know."

  Richard P. Feynman

  Learning, Doubt, Needs

  59 Copy quote

• Looking back at the worst times, it always seems that they were times in which there were people who believed with absolute faith and absolute dogmatism in something. And they were so serious in this matter that they insisted that the rest of the world agree with them. And then they would do things that were directly inconsistent with their own beliefs in order to maintain that what they said was true.

  Richard P. Feynman

  Order, People, Worst Times

  Richard P. Feynman (2009). “The Meaning of It All: Thoughts of a Citizen-Scientist”, p.19, Hachette UK

  50 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

  43 Copy quote

• I'm smart enough to know that I'm dumb.

  Richard P. Feynman

  Smart, Grace, Dumb

  73 Copy quote

• 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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• You do not know anything until you have practiced.

  Richard P. Feynman

  Knows

  22 Copy quote

• The truth always turns out to be simpler than you thought.

  Richard P. Feynman

  Truth, Science, Simplicity

  "Sympathetic Vibrations: Reflections on Physics as a Way of Life". Book by K. C. Cole, 1985.

  36 Copy quote

• The only way to deep happiness is to do something you love to the best of your ability

  Richard P. Feynman

  Way, Ability, Deep Happiness

  75 Copy quote

• You have no responsibility to live up to what other people think you ought to accomplish. I have no responsibility to be like they expect me to be. It's their mistake, not my failing.

  Richard P. Feynman

  Life, Confidence, Powerful

  Richard P. Feynman (2010). “"Surely You're Joking, Mr. Feynman!": Adventures of a Curious Character: Adventures of a Curious Character”, p.172, W. W. Norton & Company

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• Physics is like sex: sure, it may give some practical results, but that's not why we do it.

  Richard P. Feynman

  Sex, Learning, Science

  190 Copy quote

• 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

  25 Copy quote

• 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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• 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

  117 Copy quote

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