---
title: "43 Knows Quotes By Richard P. Feynman"
description: "43 Knows quotes by Richard P. Feynman. Plus more from Richard P. Feynman and more Knows sayings from other authors."
image: "https://sms4smile.com/quotes/i/55a/richard-p-feynman-495_children_maybe-that-is-why-young-people-make-succ_1653873.png"
---

> [Maybe that is why young people make success. They don't know enough.](https://sms4smile.com/quotes/richard-p-feynman/maybe-that-is-why-young-people-make-success-they-don-t-know-enough/)

[Richard P. Feynman](https://sms4smile.com/quotes/author/richard-p-feynman/)

[Image](https://sms4smile.com/quotes/i/55a/richard-p-feynman-495_children_maybe-that-is-why-young-people-make-succ_1653873.png)

> [To not know math is a severe limitation to understanding the world.](https://sms4smile.com/quotes/richard-p-feynman/to-not-know-math-is-a-severe-limitation-to-understanding-the-world/)

[Richard P. Feynman](https://sms4smile.com/quotes/author/richard-p-feynman/)

[Image](https://sms4smile.com/quotes/i/15c/richard-p-feynman-495_beer_to-not-know-math-is-a-severe-limitation_627051.png)

> [All we know so far is what doesn't work.](https://sms4smile.com/quotes/richard-p-feynman/all-we-know-so-far-is-what-doesn-t-work/)

[Richard P. Feynman](https://sms4smile.com/quotes/author/richard-p-feynman/)

[Image](https://sms4smile.com/quotes/i/56c/richard-p-feynman-495_know_all-we-know-so-far-is-what-doesn-t-work_2760854.png)

> [You do not know anything until you have practiced.](https://sms4smile.com/quotes/richard-p-feynman/you-do-not-know-anything-until-you-have-practiced/)

[Richard P. Feynman](https://sms4smile.com/quotes/author/richard-p-feynman/)

[Image](https://sms4smile.com/quotes/i/1ed/richard-p-feynman-495_know_you-do-not-know-anything-until-you-have_171861.png)

> [Know how to solve every problem that has been solved.](https://sms4smile.com/quotes/richard-p-feynman/know-how-to-solve-every-problem-that-has-been-solved/)

[Richard P. Feynman](https://sms4smile.com/quotes/author/richard-p-feynman/)

[Image](https://sms4smile.com/quotes/i/cb2/richard-p-feynman-495_has-beens_know-how-to-solve-every-problem-that-has_1546440.png)

> [Phenomena complex-laws simple…Know what to leave out.](https://sms4smile.com/quotes/richard-p-feynman/phenomena-complex-laws-simple-know-what-to-leave-out/)

[Richard P. Feynman](https://sms4smile.com/quotes/author/richard-p-feynman/)

[Image](https://sms4smile.com/quotes/i/755/richard-p-feynman-495_complexes_phenomena-complex-laws-simple-know-what_759409.png)

> [We need to teach how doubt is not to be feared but welcomed. It's OK to say, "I don't know."](https://sms4smile.com/quotes/richard-p-feynman/we-need-to-teach-how-doubt-is-not-to-be-feared-but-welcomed-it-s-ok/)

[Richard P. Feynman](https://sms4smile.com/quotes/author/richard-p-feynman/)

[Image](https://sms4smile.com/quotes/i/c6c/richard-p-feynman-495_doubt_we-need-to-teach-how-doubt-is-not-to-be_1254546.png)

> [All theoretical chemistry is really physics; and all theoretical chemists know it.](https://sms4smile.com/quotes/richard-p-feynman/all-theoretical-chemistry-is-really-physics-and-all-theoretical/)

[Richard P. Feynman](https://sms4smile.com/quotes/author/richard-p-feynman/)

[Image](https://sms4smile.com/quotes/i/870/richard-p-feynman-495_chemist_all-theoretical-chemistry-is-really-phys_584948.png)

> [It's because somebody knows something about it that we can't talk about physics. It's the things that nobody knows anything about we…](https://sms4smile.com/quotes/richard-p-feynman/it-s-because-somebody-knows-something-about-it-that-we-can-t-talk/)

[Richard P. Feynman](https://sms4smile.com/quotes/author/richard-p-feynman/)

[Image](https://sms4smile.com/quotes/i/1eb/richard-p-feynman-495_knows_it-s-because-somebody-knows-something-ab_2165386.png)

> [So far as we know, all the fundamental laws of physics, like Newton's equations, are reversible.](https://sms4smile.com/quotes/richard-p-feynman/so-far-as-we-know-all-the-fundamental-laws-of-physics-like-newton-s/)

[Richard P. Feynman](https://sms4smile.com/quotes/author/richard-p-feynman/)

[Image](https://sms4smile.com/quotes/i/398/richard-p-feynman-495_equations_so-far-as-we-know-all-the-fundamental-la_2445640.png)

> [If you know that you are not sure, you have a chance to improve the situation. I want to demand this freedom…](https://sms4smile.com/quotes/richard-p-feynman/if-you-know-that-you-are-not-sure-you-have-a-chance-to-improve-the/)

[Richard P. Feynman](https://sms4smile.com/quotes/author/richard-p-feynman/)

[Image](https://sms4smile.com/quotes/i/e7e/richard-p-feynman-495_chance_if-you-know-that-you-are-not-sure-you-ha_2612175.png)

> [The present situation in physics is as if we know chess, but we don't know one or two rules.](https://sms4smile.com/quotes/richard-p-feynman/the-present-situation-in-physics-is-as-if-we-know-chess-but-we-don-t/)

[Richard P. Feynman](https://sms4smile.com/quotes/author/richard-p-feynman/)

[Image](https://sms4smile.com/quotes/i/f29/richard-p-feynman-495_chess_the-present-situation-in-physics-is-as-i_2200695.png)

> [As you know, a theory in physics is not useful unless it is able to predict underlined effects which we would otherwise…](https://sms4smile.com/quotes/richard-p-feynman/as-you-know-a-theory-in-physics-is-not-useful-unless-it-is-able-to/)

[Richard P. Feynman](https://sms4smile.com/quotes/author/richard-p-feynman/)

[Image](https://sms4smile.com/quotes/i/7ce/richard-p-feynman-495_able_as-you-know-a-theory-in-physics-is-not-u_291605.png)

> [If a guy tells me the probability of failure is 1 in 100,000, I know he's full of crap.](https://sms4smile.com/quotes/richard-p-feynman/if-a-guy-tells-me-the-probability-of-failure-is-1-in-100-000-i-know/)

[Richard P. Feynman](https://sms4smile.com/quotes/author/richard-p-feynman/)

[Image](https://sms4smile.com/quotes/i/d85/richard-p-feynman-495_crap_if-a-guy-tells-me-the-probability-of-fai_148003.png)

> [ \[When a young person loses faith in his religion because he begins to study science and its methodology\] it isn't that \[through… ](https://sms4smile.com/quotes/richard-p-feynman/when-a-young-person-loses-faith-in-his-religion-because-he-begins-to/)

[Richard P. Feynman](https://sms4smile.com/quotes/author/richard-p-feynman/)

[Image](https://sms4smile.com/quotes/i/5ad/richard-p-feynman-495_faith_when-a-young-person-loses-faith-in-his-r_1473804.png)

> [I am going to tell you what nature behaves like. If you will simply admit that maybe she does behave like this,…](https://sms4smile.com/quotes/richard-p-feynman/i-am-going-to-tell-you-what-nature-behaves-like-if-you-will-simply-2/)

[Richard P. Feynman](https://sms4smile.com/quotes/author/richard-p-feynman/)

[Image](https://sms4smile.com/quotes/i/3db/richard-p-feynman-495_behave_i-am-going-to-tell-you-what-nature-behav_2768904.png)

> [In its efforts to learn as much as possible about nature, modern physics has found that certain things can never be "known"…](https://sms4smile.com/quotes/richard-p-feynman/in-its-efforts-to-learn-as-much-as-possible-about-nature-modern/)

[Richard P. Feynman](https://sms4smile.com/quotes/author/richard-p-feynman/)

[Image](https://sms4smile.com/quotes/i/7bc/richard-p-feynman-495_certain_in-its-efforts-to-learn-as-much-as-possi_1235817.png)

> [One does not, by knowing all the physical laws as we know them today, immediately obtain an understanding of anything much. I…](https://sms4smile.com/quotes/richard-p-feynman/one-does-not-by-knowing-all-the-physical-laws-as-we-know-them-today/)

[Richard P. Feynman](https://sms4smile.com/quotes/author/richard-p-feynman/)

[Image](https://sms4smile.com/quotes/i/8ce/richard-p-feynman-495_doe_one-does-not-by-knowing-all-the-physical_1590006.png)

> [You can know the name of a bird in all the languages of the world, but when you're finished, you'll know absolutely…](https://sms4smile.com/quotes/richard-p-feynman/you-can-know-the-name-of-a-bird-in-all-the-languages-of-the-world-but-2/)

[Richard P. Feynman](https://sms4smile.com/quotes/author/richard-p-feynman/)

[Image](https://sms4smile.com/quotes/i/106/richard-p-feynman-495_absolutely-nothing_you-can-know-the-name-of-a-bird-in-all-t_2365420.png)

> [A poet once said, "The whole universe is in a glass of wine." We will probably never know in what sense he…](https://sms4smile.com/quotes/richard-p-feynman/a-poet-once-said-the-whole-universe-is-in-a-glass-of-wine-we-will/)

[Richard P. Feynman](https://sms4smile.com/quotes/author/richard-p-feynman/)

[Image](https://sms4smile.com/quotes/i/6d1/richard-p-feynman-495_enough_a-poet-once-said-the-whole-universe-is-i_73529.png)

> [The whole question of imagination in science is often misunderstood by people in other disciplines. ... They overlook the fact that whatever…](https://sms4smile.com/quotes/richard-p-feynman/the-whole-question-of-imagination-in-science-is-often-misunderstood/)

[Richard P. Feynman](https://sms4smile.com/quotes/author/richard-p-feynman/)

[Image](https://sms4smile.com/quotes/i/6b4/richard-p-feynman-495_accounts_the-whole-question-of-imagination-in-sci_278146.png)

> [Our poets do not write about it; our artists do not try to portray this remarkable thing. I don't know why. Is…](https://sms4smile.com/quotes/richard-p-feynman/our-poets-do-not-write-about-it-our-artists-do-not-try-to-portray/)

[Richard P. Feynman](https://sms4smile.com/quotes/author/richard-p-feynman/)

[Image](https://sms4smile.com/quotes/i/820/richard-p-feynman-495_age_our-poets-do-not-write-about-it-our-arti_362567.png)

> [On the contrary, it's because somebody knows something about it that we can't talk about physics . It's the things that nobody…](https://sms4smile.com/quotes/richard-p-feynman/on-the-contrary-it-s-because-somebody-knows-something-about-it-that/)

[Richard P. Feynman](https://sms4smile.com/quotes/author/richard-p-feynman/)

[Image](https://sms4smile.com/quotes/i/cf0/richard-p-feynman-495_contrary_on-the-contrary-it-s-because-somebody-kn_520935.jpg)

> [When a scientist doesn't know the answer to a problem, he is ignorant. When he has a hunch as to what the…](https://sms4smile.com/quotes/richard-p-feynman/when-a-scientist-doesn-t-know-the-answer-to-a-problem-he-is-ignorant/)

[Richard P. Feynman](https://sms4smile.com/quotes/author/richard-p-feynman/)

[Image](https://sms4smile.com/quotes/i/7e6/richard-p-feynman-495_answers_when-a-scientist-doesn-t-know-the-answer_1054013.png)

> [We cannot define anything precisely. If we attempt to, we get into the paralysis of thought that comes to philosophers, who sit…](https://sms4smile.com/quotes/richard-p-feynman/we-cannot-define-anything-precisely-if-we-attempt-to-we-get-into-the/)

[Richard P. Feynman](https://sms4smile.com/quotes/author/richard-p-feynman/)

[Image](https://sms4smile.com/quotes/i/e7f/richard-p-feynman-495_ifs_we-cannot-define-anything-precisely-if-w_1325736.jpg)

> [All things are made of atoms - little particles that move around in perpetual motion, attracting each other when they are a…](https://sms4smile.com/quotes/richard-p-feynman/all-things-are-made-of-atoms-little-particles-that-move-around-in-2/)

[Richard P. Feynman](https://sms4smile.com/quotes/author/richard-p-feynman/)

[Image](https://sms4smile.com/quotes/i/4b3/richard-p-feynman-495_all-things_all-things-are-made-of-atoms-little-part_3154488.jpg)

> [One of the ways of stopping science would be only to do experiments in the region where you know the law. But…](https://sms4smile.com/quotes/richard-p-feynman/one-of-the-ways-of-stopping-science-would-be-only-to-do-experiments/)

[Richard P. Feynman](https://sms4smile.com/quotes/author/richard-p-feynman/)

[Image](https://sms4smile.com/quotes/i/4d2/richard-p-feynman-495_discovery_one-of-the-ways-of-stopping-science-woul_2578770.png)

> [The difficulty really is psychological and exists in the perpetual torment that results from your saying to yourself, "But how can it…](https://sms4smile.com/quotes/richard-p-feynman/the-difficulty-really-is-psychological-and-exists-in-the-perpetual/)

[Richard P. Feynman](https://sms4smile.com/quotes/author/richard-p-feynman/)

[Image](https://sms4smile.com/quotes/i/8a6/richard-p-feynman-495_alleys_the-difficulty-really-is-psychological-a_845082.png)

> [A poet once said, "The whole universe is in a glass of wine." We will probably never know in what sense he…](https://sms4smile.com/quotes/richard-p-feynman/a-poet-once-said-the-whole-universe-is-in-a-glass-of-wine-we-will-2/)

[Richard P. Feynman](https://sms4smile.com/quotes/author/richard-p-feynman/)

[Image](https://sms4smile.com/quotes/i/1fb/richard-p-feynman-495_astronomy_a-poet-once-said-the-whole-universe-is-i_1059422.jpg)

> [Poets say science takes away from the beauty of stars-mere globs of gas atoms. Nothing is "mere". I too see the stars…](https://sms4smile.com/quotes/richard-p-feynman/poets-say-science-takes-away-from-the-beauty-of-stars-mere-globs-of/)

[Richard P. Feynman](https://sms4smile.com/quotes/author/richard-p-feynman/)

[Image](https://sms4smile.com/quotes/i/2c4/richard-p-feynman-495_artist_poets-say-science-takes-away-from-the-be_1086678.png)

> [I think it's much more interesting to live not knowing than to have answers which might be wrong. I have approximate answers,…](https://sms4smile.com/quotes/richard-p-feynman/i-think-it-s-much-more-interesting-to-live-not-knowing-than-to-have-3/)

[Richard P. Feynman](https://sms4smile.com/quotes/author/richard-p-feynman/)

[Image](https://sms4smile.com/quotes/i/5a2/richard-p-feynman-495_acceptance_i-think-it-s-much-more-interesting-to-li_2298911.png)

> [When you get as old as I am, you start to realize that you've told most of the good stuff you know…](https://sms4smile.com/quotes/richard-p-feynman/when-you-get-as-old-as-i-am-you-start-to-realize-that-you-ve-told/)

[Richard P. Feynman](https://sms4smile.com/quotes/author/richard-p-feynman/)

[Image](https://sms4smile.com/quotes/i/d32/richard-p-feynman-495_inspirational_when-you-get-as-old-as-i-am-you-start-to_1657606.jpg)

> [We have this terrible struggle to try to explain things to people who have no reason to want to know.](https://sms4smile.com/quotes/richard-p-feynman/we-have-this-terrible-struggle-to-try-to-explain-things-to-people-who/)

[Richard P. Feynman](https://sms4smile.com/quotes/author/richard-p-feynman/)

[Image](https://sms4smile.com/quotes/i/f1f/richard-p-feynman-495_communication_we-have-this-terrible-struggle-to-try-to_2420997.png)

> [People are always asking for the latest developments in the unification of this theory with that theory, and they don't give us…](https://sms4smile.com/quotes/richard-p-feynman/people-are-always-asking-for-the-latest-developments-in-the/)

[Richard P. Feynman](https://sms4smile.com/quotes/author/richard-p-feynman/)

[Image](https://sms4smile.com/quotes/i/2cc/richard-p-feynman-495_asking_people-are-always-asking-for-the-latest_1397098.png)

> [Everything we know is only some kind of approximation, because we know that we do not know all the laws yet. Therefore,…](https://sms4smile.com/quotes/richard-p-feynman/everything-we-know-is-only-some-kind-of-approximation-because-we-know/)

[Richard P. Feynman](https://sms4smile.com/quotes/author/richard-p-feynman/)

[Image](https://sms4smile.com/quotes/i/c8c/richard-p-feynman-495_approximation_everything-we-know-is-only-some-kind-of_1952976.png)

> [You know how it always is, every new idea, it takes a generation or two until it becomes obvious that there's no…](https://sms4smile.com/quotes/richard-p-feynman/you-know-how-it-always-is-every-new-idea-it-takes-a-generation-or-two/)

[Richard P. Feynman](https://sms4smile.com/quotes/author/richard-p-feynman/)

[Image](https://sms4smile.com/quotes/i/87a/richard-p-feynman-495_generations_you-know-how-it-always-is-every-new-idea_2721959.png)

> [Some people say, "How can you live without knowing?" I do not know what they mean. I always live without knowing. That…](https://sms4smile.com/quotes/richard-p-feynman/some-people-say-how-can-you-live-without-knowing-i-do-not-know-what/)

[Richard P. Feynman](https://sms4smile.com/quotes/author/richard-p-feynman/)

[Image](https://sms4smile.com/quotes/i/768/richard-p-feynman-495_easy_some-people-say-how-can-you-live-without_1664120.jpg)

> [I have the advantage of having found out how hard it is to get to really know something. How careful you have…](https://sms4smile.com/quotes/richard-p-feynman/i-have-the-advantage-of-having-found-out-how-hard-it-is-to-get-to/)

[Richard P. Feynman](https://sms4smile.com/quotes/author/richard-p-feynman/)

[Image](https://sms4smile.com/quotes/i/6e3/richard-p-feynman-495_advantage_i-have-the-advantage-of-having-found-out_1226697.jpg)

> [When a Caltech student asked the eminent cosmologist Michael Turner what his "bias" was in favoring one or another particle as a…](https://sms4smile.com/quotes/richard-p-feynman/when-a-caltech-student-asked-the-eminent-cosmologist-michael-turner/)

[Richard P. Feynman](https://sms4smile.com/quotes/author/richard-p-feynman/)

[Image](https://sms4smile.com/quotes/i/5d0/richard-p-feynman-495_bias_when-a-caltech-student-asked-the-eminent_1572590.png)

> [My rule is, when you are unhappy, think about it. But when you're happy, don't. Why spoil it? You're probably happy for…](https://sms4smile.com/quotes/richard-p-feynman/my-rule-is-when-you-are-unhappy-think-about-it-but-when-you-re-happy/)

[Richard P. Feynman](https://sms4smile.com/quotes/author/richard-p-feynman/)

[Image](https://sms4smile.com/quotes/i/d28/richard-p-feynman-495_happiness_my-rule-is-when-you-are-unhappy-think-ab_8879.png)

## Other authors on Knows

## More by Richard P. Feynman

> [“Philosophers have said before that one of the fundamental requisites of science is that whenever you set up the same conditions, the same thing…](https://sms4smile.com/quotes/richard-p-feynman/philosophers-have-said-before-that-one-of-the-fundamental-requisites/)

[Richard P. Feynman](https://sms4smile.com/quotes/author/richard-p-feynman/)

> [My rule is, when you are unhappy, think about it. But when you're happy, don't. Why spoil it? You're probably happy for some ridiculous…](https://sms4smile.com/quotes/richard-p-feynman/my-rule-is-when-you-are-unhappy-think-about-it-but-when-you-re-happy/)

[Richard P. Feynman](https://sms4smile.com/quotes/author/richard-p-feynman/)

> [Trying to understand the way nature works involves a most terrible test of human reasoning ability. It involves subtle trickery, beautiful tightropes of logic…](https://sms4smile.com/quotes/richard-p-feynman/trying-to-understand-the-way-nature-works-involves-a-most-terrible/)

[Richard P. Feynman](https://sms4smile.com/quotes/author/richard-p-feynman/)

> [Today's brains are yesterday's mashed potatoes.](https://sms4smile.com/quotes/richard-p-feynman/today-s-brains-are-yesterday-s-mashed-potatoes/)

[Richard P. Feynman](https://sms4smile.com/quotes/author/richard-p-feynman/)

> [Mathematics is a language plus reasoning; it is like a language plus logic. Mathematics is a tool for reasoning.](https://sms4smile.com/quotes/richard-p-feynman/mathematics-is-a-language-plus-reasoning-it-is-like-a-language-plus/)

[Richard P. Feynman](https://sms4smile.com/quotes/author/richard-p-feynman/)

> [It is necessary for the very existence of science that minds exist which do not allow that nature must satisfy some preconceived conditions.](https://sms4smile.com/quotes/richard-p-feynman/it-is-necessary-for-the-very-existence-of-science-that-minds-exist/)

[Richard P. Feynman](https://sms4smile.com/quotes/author/richard-p-feynman/)

> [“There was a Princess Somebody of Denmark sitting at a table with a number of people around her, and I saw an empty chair…](https://sms4smile.com/quotes/richard-p-feynman/there-was-a-princess-somebody-of-denmark-sitting-at-a-table-with-a/)

[Richard P. Feynman](https://sms4smile.com/quotes/author/richard-p-feynman/)

> [All the time you're saying to yourself, 'I could do that, but I won't,'--which is just another way of saying that you can't.](https://sms4smile.com/quotes/richard-p-feynman/all-the-time-you-re-saying-to-yourself-i-could-do-that-but-i-won-t/)

[Richard P. Feynman](https://sms4smile.com/quotes/author/richard-p-feynman/)

> [“There's a big difference between knowing the name of something and knowing something.”](https://sms4smile.com/quotes/richard-p-feynman/there-s-a-big-difference-between-knowing-the-name-of-something-and/)

[Richard P. Feynman](https://sms4smile.com/quotes/author/richard-p-feynman/)

> [The fact that you are not sure means that it is possible that there is another way someday.](https://sms4smile.com/quotes/richard-p-feynman/the-fact-that-you-are-not-sure-means-that-it-is-possible-that-there/)

[Richard P. Feynman](https://sms4smile.com/quotes/author/richard-p-feynman/)

> [You can always recognize truth by its beauty and simplicity.](https://sms4smile.com/quotes/richard-p-feynman/you-can-always-recognize-truth-by-its-beauty-and-simplicity/)

[Richard P. Feynman](https://sms4smile.com/quotes/author/richard-p-feynman/)

> [One cannot understand... the universality of laws of nature, the relationship of things, without an understanding of mathematics. There is no other way to…](https://sms4smile.com/quotes/richard-p-feynman/one-cannot-understand-the-universality-of-laws-of-nature-the/)

[Richard P. Feynman](https://sms4smile.com/quotes/author/richard-p-feynman/)

> [Mathematics is not just a language. Mathematics is a language plus reasoning.](https://sms4smile.com/quotes/richard-p-feynman/mathematics-is-not-just-a-language-mathematics-is-a-language-plus/)

[Richard P. Feynman](https://sms4smile.com/quotes/author/richard-p-feynman/)

> [A poet once said, "The whole universe is in a glass of wine." We will probably never know in what sense he meant that,…](https://sms4smile.com/quotes/richard-p-feynman/a-poet-once-said-the-whole-universe-is-in-a-glass-of-wine-we-will/)

[Richard P. Feynman](https://sms4smile.com/quotes/author/richard-p-feynman/)

> [I was a very shy character, always feeling uncomfortable because everybody was stronger than I, and always afraid I would look like a sissy.…](https://sms4smile.com/quotes/richard-p-feynman/i-was-a-very-shy-character-always-feeling-uncomfortable-because/)

[Richard P. Feynman](https://sms4smile.com/quotes/author/richard-p-feynman/)

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                        "text": "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.",
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                        "text": "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.",
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                        "text": "A poet once said, \"The whole universe is in a glass of wine.\" We will probably never know in what sense he meant that, for poets do not write to be understood. But it is true that if we look at a glass of wine closely enough we see the entire universe.",
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                        "text": "The whole question of imagination in science is often misunderstood by people in other disciplines. ... They overlook the fact that whatever we are allowed to imagine in science must be consistent with everything else we know.",
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                        "text": "Our poets do not write about it; our artists do not try to portray this remarkable thing. I don't know why. Is nobody inspired by our present picture of the universe? The value of science remains unsung by singers... This is not yet a scientific age...",
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                        "text": "On the contrary, it's because somebody knows something about it that we can't talk about physics . It's the things that nobody knows anything about that we can discuss. We can talk about the weather; we can talk about social problems; we can talk about psychology; we can talk about international finance gold transfers we can't talk about, because those are understood so it's the subject that nobody knows anything about that we can all talk about!",
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                        "text": "When a scientist doesn't know the answer to a problem, he is ignorant. When he has a hunch as to what the result is, he is uncertain. And when he is pretty darn sure of what the result is going to be, he is still in some doubt. We have found it of paramount importance that in order to progress we must recognize our ignorance and leave room for doubt. Scientific knowledge is a body of statements of varying degrees of certainty - some most unsure, some nearly sure, but none absolutely certain.",
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                        "text": "We cannot define anything precisely. If we attempt to, we get into the paralysis of thought that comes to philosophers, who sit opposite each other, one saying to the other, \"You don't know what you are talking about!\" The second one says, \"What do you mean by know? What do you mean by talking? What do you mean by you?\"",
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                        "text": "All things are made of atoms - little particles that move around in perpetual motion, attracting each other when they are a little distance apart, but repelling upon being squeezed into one another. In that one sentence, you will see, there is an enormous amount of information about the world, if just a little imagination and thinking are applied.",
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                        "text": "One of the ways of stopping science would be only to do experiments in the region where you know the law. But experimenters search most diligently, and with the greatest effort, in exactly those places where it seems most likely that we can prove our theories wrong. In other words, we are trying to prove ourselves wrong as quickly as possible, because only in that way can we find progress.",
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                        "text": "The difficulty really is psychological and exists in the perpetual torment that results from your saying to yourself, \"But how can it be like that?\" which is a reflection of uncontrolled but utterly vain desire to see it in terms of something familiar. ... If you will simply admit that maybe [Nature] does behave like this, you will find her a delightful, entrancing thing. Do not keep saying to yourself, if you can possible avoid it, \"But how can it be like that?\" because you will get 'down the drain', into a blind alley from which nobody has escaped. Nobody knows how it can be like that.",
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                        "text": "A poet once said, \"The whole universe is in a glass of wine.\" We will probably never know in what sense he meant that, for poets do not write to be understood... How vivid is the claret, pressing its existence into the consciousness that watches it! If our small minds, for some convenience, divide this glass of wine, this universe, into parts- physics, biology, geology, astronomy, psychology, and so on- remember that nature does not know it! So let us put it all back together, not forgetting ultimately what it is for. Let it give us one more final pleasure: drink it and forget it all!",
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                        "text": "Poets say science takes away from the beauty of stars-mere globs of gas atoms.  Nothing is \"mere\".  I too see the stars on a desert night, and feel them.  But do I see less or more? ...What is the pattern, or the meaning, or the why?  It does not do harm to the mystery to know a little more about it.  For far more marvelous is the truth than any artists of the past imagined it.",
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                        "text": "You know how it always is, every new idea, it takes a generation or two until it becomes obvious that there's no real problem. It has not yet become obvious to me that there's no real problem. I cannot define the real problem, therefore I suspect there's no real problem, but I'm not sure there's no real problem.",
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                        "text": "Some people say, \"How can you live without knowing?\" I do not know what they mean. I always live without knowing. That is easy. How you get to know is what I want to know.",
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                        "text": "I have the advantage of having found out how hard it is to get to really know something. How careful you have to be about checking your experiments. How easy it is to make mistakes and fool yourself. I know what it means to know something.",
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                        "text": "My rule is, when you are unhappy, think about it. But when you're happy, don't. Why spoil it? You're probably happy for some ridiculous reason and you'd just spoil it to know it.",
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