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Who said: “As far as the laws of mathematics refer to reality, they are not certain; and as far as they are certain, they do not refer to reality.”
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Richard P. Feynman
(11 May 1918 - 15 Feb 1988)

American theoretical physicist who was probably the most brilliant, influential, and iconoclastic figure in his field. His lifelong interest was in subatomic physics. In 1965, he shared the Nobel Prize in Physics for his work in quantum electrodynamics.


Richard P. Feynman Quotes on Problem (7 quotes)

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I believe that a scientist looking at nonscientific problems is just as dumb as the next guy.
— Richard P. Feynman
…...
Science quotes on:  |  Belief (400)  |  Dumb (7)  |  Next (23)  |  Problem (362)  |  Scientist (447)

If we want to solve a problem that we have never solved before, we must leave the door to the unknown ajar.
— Richard P. Feynman
In 'The Value of Science,' What Do You Care What Other People Think? (1988, 2001), 247. Collected in The Pleasure of Finding Things Out (2000), 149.
Science quotes on:  |  Door (25)  |  Learning (174)  |  Never (22)  |  Problem (362)  |  Solution (168)

In this age of specialization men who thoroughly know one field are often incompetent to discuss another. … The old problems, such as the relation of science and religion, are still with us, and I believe present as difficult dilemmas as ever, but they are not often publicly discussed because of the limitations of specialization.
— Richard P. Feynman
Opening statement, in transcript of talk to the Caltech Lunch Forum (2 May 1956), 'The Relation of Science and Religion', collected in Richard Phillips Feynman and Jeffrey Robbins (ed.), The Pleasure of Finding Things Out: The Best Short Works of Richard P. Feynman (1999, 2005), 245-246.
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The problem is not to find the best or most efficient method to proceed to a discovery, but to find any method at all.
— Richard P. Feynman
In his Nobel Prize Lecture (11 Dec 1965), 'The Development of the Space-Time View of Quantum Electrodynamics'. Collected in Stig Lundqvist, Nobel Lectures: Physics, 1963-1970 (1998), 177.
Science quotes on:  |  Best (129)  |  Discovery (591)  |  Efficient (20)  |  Find (248)  |  Method (154)  |  Problem (362)  |  Proceed (25)

The real problem in speech is not precise language. The problem is clear language. The desire is to have the idea clearly communicated to the other person. [But] precise language is not precise in any sense if you deal with the real objects of the world, and is overly pedantic and quite confusing to use it unless there are some special subtleties which have to be carefully distinguished.
— Richard P. Feynman
Criticizing “overly pedantic” language in proposed textbooks for a modified arithmetic course for grades 1-8 in California schools. In article, 'New Textbooks for the ‘New’ Mathematics', Engineering and Science (Mar 1965), 28, No. 6. Collected in Perfectly Reasonable Deviations from the Beaten Track: The Letters of Richard Feynman (2008), 454. He was writing as a member of the California State Curriculum Committee
Science quotes on:  |  Clear (52)  |  Confusion (34)  |  Definition (152)  |  Distinguishing (14)  |  Language (155)  |  Pedantic (2)  |  Precise (17)  |  Problem (362)  |  Real (95)  |  Speech (40)  |  Subtlety (9)

Turbulence is the most important unsolved problem of classical physics.
— Richard P. Feynman
In The Feynman Lectures on Physics (1964).
Science quotes on:  |  Classical Physics (5)  |  Importance (183)  |  Mechanics (44)  |  Problem (362)  |  Turbulence (2)  |  Unsolved (7)

What makes planets go around the sun? At the time of Kepler, some people answered this problem by saying that there were angels behind them beating their wings and pushing the planets around an orbit. As you will see, the answer is not very far from the truth. The only difference is that the angels sit in a different direction and their wings push inward.
— Richard P. Feynman
In The Character of Physical Law (1965), 18.
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Carl Sagan Thumbnail In science it often happens that scientists say, 'You know that's a really good argument; my position is mistaken,' and then they would actually change their minds and you never hear that old view from them again. They really do it. It doesn't happen as often as it should, because scientists are human and change is sometimes painful. But it happens every day. I cannot recall the last time something like that happened in politics or religion. (1987) -- Carl Sagan
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- 90 -
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- 80 -
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- 70 -
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- 60 -
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- 50 -
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- 40 -
Pierre Fermat
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JJ Thomson
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Archimedes
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- 30 -
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Richard Feynman
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- 20 -
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- 10 -
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