---
title: "49 Ifs Quotes By Richard P. Feynman"
description: "49 Ifs quotes by Richard P. Feynman. Plus more from Richard P. Feynman and more Ifs sayings from other authors."
image: "https://sms4smile.com/quotes/i/e91/richard-p-feynman-495_disagree_if-it-disagrees-with-experiment-it-s-wro_3065523.png"
---

> [If it disagrees with experiment, it's wrong.](https://sms4smile.com/quotes/richard-p-feynman/if-it-disagrees-with-experiment-it-s-wrong/)

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

[Image](https://sms4smile.com/quotes/i/e91/richard-p-feynman-495_disagree_if-it-disagrees-with-experiment-it-s-wro_3065523.png)

> [If all of mathematics disappeared, physics would be set back by exactly one week.](https://sms4smile.com/quotes/richard-p-feynman/if-all-of-mathematics-disappeared-physics-would-be-set-back-by/)

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

[Image](https://sms4smile.com/quotes/i/31b/richard-p-feynman-495_ifs_if-all-of-mathematics-disappeared-physic_1144293.png)

> [That is the logical tight-rope on which we have to walk if we wish to interpret nature.](https://sms4smile.com/quotes/richard-p-feynman/that-is-the-logical-tight-rope-on-which-we-have-to-walk-if-we-wish-to/)

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

[Image](https://sms4smile.com/quotes/i/8cf/richard-p-feynman-495_ifs_that-is-the-logical-tight-rope-on-which_2519576.png)

> [If you think you understand quantum mechanics, you don't understand quantum mechanics.](https://sms4smile.com/quotes/richard-p-feynman/if-you-think-you-understand-quantum-mechanics-you-don-t-understand/)

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

[Image](https://sms4smile.com/quotes/i/674/richard-p-feynman-495_ifs_if-you-think-you-understand-quantum-mech_2695065.png)

> [What would happen if we could arrange the atoms one by one the way we want them?](https://sms4smile.com/quotes/richard-p-feynman/what-would-happen-if-we-could-arrange-the-atoms-one-by-one-the-way-we/)

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

[Image](https://sms4smile.com/quotes/i/e6d/richard-p-feynman-495_arrange_what-would-happen-if-we-could-arrange-th_3103764.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)

> [If you can't explain something to a first year student, then you haven't really understood .](https://sms4smile.com/quotes/richard-p-feynman/if-you-can-t-explain-something-to-a-first-year-student-then-you-haven/)

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

[Image](https://sms4smile.com/quotes/i/933/richard-p-feynman-495_explain_if-you-can-t-explain-something-to-a-firs_522671.png)

> [If you have any talent, or any occupation that delights you, do it, and do it to the hilt. Don't ask why,…](https://sms4smile.com/quotes/richard-p-feynman/if-you-have-any-talent-or-any-occupation-that-delights-you-do-it-and/)

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

[Image](https://sms4smile.com/quotes/i/104/richard-p-feynman-495_asks_if-you-have-any-talent-or-any-occupation_2643089.png)

> [If there is something very slightly wrong in our definition of the theories, then the full mathematical rigor may convert these errors…](https://sms4smile.com/quotes/richard-p-feynman/if-there-is-something-very-slightly-wrong-in-our-definition-of-the/)

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

[Image](https://sms4smile.com/quotes/i/482/richard-p-feynman-495_conclusion_if-there-is-something-very-slightly-wron_1146977.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)

> [Everybody who reasons carefully about anything is making a contribution ... and if you abstract it away and send it to the…](https://sms4smile.com/quotes/richard-p-feynman/everybody-who-reasons-carefully-about-anything-is-making-a/)

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

[Image](https://sms4smile.com/quotes/i/369/richard-p-feynman-495_abstract_everybody-who-reasons-carefully-about-an_139872.png)

> [If we will only allow that, as we progress, we remain unsure, we will leave opportunities for alternatives.](https://sms4smile.com/quotes/richard-p-feynman/if-we-will-only-allow-that-as-we-progress-we-remain-unsure-we-will/)

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

[Image](https://sms4smile.com/quotes/i/c1c/richard-p-feynman-495_alternatives_if-we-will-only-allow-that-as-we-progres_2816952.png)

> [If you don't like it, go somewhere else, to another universe where the rules are simpler.](https://sms4smile.com/quotes/richard-p-feynman/if-you-don-t-like-it-go-somewhere-else-to-another-universe-where-the/)

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

[Image](https://sms4smile.com/quotes/i/039/richard-p-feynman-495_ifs_if-you-don-t-like-it-go-somewhere-else-t_3218624.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)

> [The only way to have real success in science, the field I'm familiar with, is to describe the evidence very carefully without…](https://sms4smile.com/quotes/richard-p-feynman/the-only-way-to-have-real-success-in-science-the-field-i-m-familiar/)

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

[Image](https://sms4smile.com/quotes/i/1c3/richard-p-feynman-495_evidence_the-only-way-to-have-real-success-in-sci_2802633.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)

> [The most important thing I found out from my father is that if you asked any question and pursued it deeply enough,…](https://sms4smile.com/quotes/richard-p-feynman/the-most-important-thing-i-found-out-from-my-father-is-that-if-you/)

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

[Image](https://sms4smile.com/quotes/i/782/richard-p-feynman-495_beautiful_the-most-important-thing-i-found-out-fro_1753425.png)

> [The idea that no one really knew how to run a government led to the idea that we should arrange a system…](https://sms4smile.com/quotes/richard-p-feynman/the-idea-that-no-one-really-knew-how-to-run-a-government-led-to-the/)

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

[Image](https://sms4smile.com/quotes/i/606/richard-p-feynman-495_errors_the-idea-that-no-one-really-knew-how-to_2779351.jpg)

> [In any organization there ought to be the possibility of discussion... fence sitting is an art, and it's difficult, and it's important…](https://sms4smile.com/quotes/richard-p-feynman/in-any-organization-there-ought-to-be-the-possibility-of-discussion/)

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

[Image](https://sms4smile.com/quotes/i/55f/richard-p-feynman-495_action_in-any-organization-there-ought-to-be-th_243039.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)

> [ If I say \[electrons\] behave like particles I give the wrong impression; also if I say they behave like waves. They behave… ](https://sms4smile.com/quotes/richard-p-feynman/if-i-say-electrons-behave-like-particles-i-give-the-wrong-impression/)

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

[Image](https://sms4smile.com/quotes/i/fd0/richard-p-feynman-495_behave_if-i-say-electrons-behave-like-particles_1495136.png)

> [Nature isn't classical, dammit, and if you want to make a simulation of nature, you'd better make it quantum mechanical, and by…](https://sms4smile.com/quotes/richard-p-feynman/nature-isn-t-classical-dammit-and-if-you-want-to-make-a-simulation-of/)

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

[Image](https://sms4smile.com/quotes/i/3e1/richard-p-feynman-495_easy_nature-isn-t-classical-dammit-and-if-you_664229.png)

> [I learned a lot of different things from different schools. MIT is a very good place…. It has developed for itself a…](https://sms4smile.com/quotes/richard-p-feynman/i-learned-a-lot-of-different-things-from-different-schools-mit-is-a/)

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

[Image](https://sms4smile.com/quotes/i/dd1/richard-p-feynman-495_desire_i-learned-a-lot-of-different-things-from_1051424.jpg)

> [If you're doing an experiment, you should report everything that you think might make it invalid - not only what you think…](https://sms4smile.com/quotes/richard-p-feynman/if-you-re-doing-an-experiment-you-should-report-everything-that-you/)

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

[Image](https://sms4smile.com/quotes/i/d12/richard-p-feynman-495_causes_if-you-re-doing-an-experiment-you-should_1688364.png)

> [What is the fundamental hypothesis of science, the fundamental philosophy? We stated it in the first chapter: the sole test of the…](https://sms4smile.com/quotes/richard-p-feynman/what-is-the-fundamental-hypothesis-of-science-the-fundamental/)

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

[Image](https://sms4smile.com/quotes/i/7f0/richard-p-feynman-495_chapters_what-is-the-fundamental-hypothesis-of-sc_126388.jpg)

> [To do any important work in physics a very good mathematical ability and aptitude are required. Some work in applications can be…](https://sms4smile.com/quotes/richard-p-feynman/to-do-any-important-work-in-physics-a-very-good-mathematical-ability/)

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

[Image](https://sms4smile.com/quotes/i/54a/richard-p-feynman-495_ability_to-do-any-important-work-in-physics-a-ve_2632071.jpg)

> [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)

> [It is going to be necessary that everything that happens in a finite volume of space and time would have to be…](https://sms4smile.com/quotes/richard-p-feynman/it-is-going-to-be-necessary-that-everything-that-happens-in-a-finite/)

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

[Image](https://sms4smile.com/quotes/i/800/richard-p-feynman-495_computer_it-is-going-to-be-necessary-that-everyth_388471.jpg)

> [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)

> [We've learned from experience that the truth will come out. Other experimenters will repeat your experiment and find out whether you were…](https://sms4smile.com/quotes/richard-p-feynman/we-ve-learned-from-experience-that-the-truth-will-come-out-other/)

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

[Image](https://sms4smile.com/quotes/i/635/richard-p-feynman-495_agree_we-ve-learned-from-experience-that-the-t_1900251.png)

> [Light is something like raindrops each little lump of light is called a photon and if the light is all one color,…](https://sms4smile.com/quotes/richard-p-feynman/light-is-something-like-raindrops-each-little-lump-of-light-is-called/)

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

[Image](https://sms4smile.com/quotes/i/ab3/richard-p-feynman-495_color_light-is-something-like-raindrops-each-l_1410695.png)

> [If an apple was magnified to the size of the Earth, then the atoms in the apple would be approximately the size…](https://sms4smile.com/quotes/richard-p-feynman/if-an-apple-was-magnified-to-the-size-of-the-earth-then-the-atoms-in/)

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

[Image](https://sms4smile.com/quotes/i/56e/richard-p-feynman-495_apples_if-an-apple-was-magnified-to-the-size-of_705159.png)

> [To guess what to keep and what to throw away takes considerable skill. Actually it is probably merely a matter of luck,…](https://sms4smile.com/quotes/richard-p-feynman/to-guess-what-to-keep-and-what-to-throw-away-takes-considerable-skill/)

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

[Image](https://sms4smile.com/quotes/i/c5b/richard-p-feynman-495_ifs_to-guess-what-to-keep-and-what-to-throw_2616827.png)

> [If all of this, all the life of a stream of water, can be nothing but a pile of atoms, how much…](https://sms4smile.com/quotes/richard-p-feynman/if-all-of-this-all-the-life-of-a-stream-of-water-can-be-nothing-but-a/)

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

[Image](https://sms4smile.com/quotes/i/606/richard-p-feynman-495_atoms_if-all-of-this-all-the-life-of-a-stream_1120879.png)

> [During the Middle Ages there were all kinds of crazy ideas, such as that a piece of rhinoceros horn would increase potency.…](https://sms4smile.com/quotes/richard-p-feynman/during-the-middle-ages-there-were-all-kinds-of-crazy-ideas-such-as/)

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

[Image](https://sms4smile.com/quotes/i/924/richard-p-feynman-495_age_during-the-middle-ages-there-were-all-ki_3094214.png)

> [It does not matter who you are, or how smart you are, or what title you have, or how many of you…](https://sms4smile.com/quotes/richard-p-feynman/it-does-not-matter-who-you-are-or-how-smart-you-are-or-what-title-you/)

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

[Image](https://sms4smile.com/quotes/i/157/richard-p-feynman-495_doe_it-does-not-matter-who-you-are-or-how-sm_2659323.jpg)

> [Only realistic flight schedules should be proposed, schedules that have a reasonable chance of being met. If in this way the government…](https://sms4smile.com/quotes/richard-p-feynman/only-realistic-flight-schedules-should-be-proposed-schedules-that/)

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

[Image](https://sms4smile.com/quotes/i/b30/richard-p-feynman-495_asks_only-realistic-flight-schedules-should-b_1839726.png)

> [If you keep proving stuff that others have done, getting confidence, increasing the complexities of your solutions - for the fun of…](https://sms4smile.com/quotes/richard-p-feynman/if-you-keep-proving-stuff-that-others-have-done-getting-confidence/)

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

[Image](https://sms4smile.com/quotes/i/9f7/richard-p-feynman-495_complexity_if-you-keep-proving-stuff-that-others-ha_1694338.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)

> [It is the facts that matter, not the proofs. Physics can progress without the proofs, but we can't go on without the…](https://sms4smile.com/quotes/richard-p-feynman/it-is-the-facts-that-matter-not-the-proofs-physics-can-progress/)

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

[Image](https://sms4smile.com/quotes/i/bb4/richard-p-feynman-495_algebra_it-is-the-facts-that-matter-not-the-proo_1163195.jpg)

## Other authors on Ifs

## 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": "I am going to tell you what nature behaves like. If you will simply admit that maybe she does behave like this, you will find her a delightful, entrancing thing. Do not keep saying to yourself, if you can possibly avoid it, 'But how can it be like that?' ...Nobody knows how it can be like that.",
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                        "text": "If I say [electrons] behave like particles I give the wrong impression; also if I say they behave like waves. They behave in their own inimitable way, which technically could be called a quantum mechanical way. They behave in a way that is like nothing that you have seen before.",
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                        "text": "Nature isn't classical, dammit, and if you want to make a simulation of nature, you'd better make it quantum mechanical, and by golly it's a wonderful problem, because it doesn't look so easy.",
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                        "text": "I learned a lot of different things from different schools. MIT is a very good place…. It has developed for itself a spirit, so that every member of the whole place thinks that it’s the most wonderful place in the world—it’s the center, somehow, of scientific and technological development in the United States, if not the world … and while you don’t get a good sense of proportion there, you do get an excellent sense of being with it and in it, and having motivation and desire to keep on",
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                        "text": "If you're doing an experiment, you should report everything that you think might make it invalid - not only what you think is right about it; other causes that could possibly explain your results; and things you thought of that you've eliminated by some other experiment, and how they worked  -to make sure the other fellow can tell they have been eliminated.",
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                        "text": "What is the fundamental hypothesis of science, the fundamental philosophy? We stated it in the first chapter: the sole test of the validity of any idea is experiment. ... If we are told that the same experiment will always produce the same result, that is all very well, but if when we try it, it does not, then it does not. We just have to take what we see, and then formulate all the rest of our ideas in terms of our actual experience.",
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                        "text": "To do any important work in physics a very good mathematical ability and aptitude are required. Some work in applications can be done without this, but it will not be very inspired. If you must satisfy your \"personal curiosity concerning the mysteries of nature\" what will happen if these mysteries turn out to be laws expressed in mathematical terms (as they do turn out to be)? You cannot understand the physical world in any deep or satisfying way without using mathematical reasoning with facility.",
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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": "It is going to be necessary that everything that happens in a finite volume of space and time would have to be analyzable with a finite number of logical operations. The present theory of physics is not that way, apparently. It allows space to go down into infinitesimal distances, wavelengths to get infinitely great, terms to be summed in infinite order, and so forth; and therefore, if this proposition [that physics is computer-simulatable] is right, physical law is wrong.",
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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": "We've learned from experience that the truth will come out. Other experimenters will repeat your experiment and find out whether you were wrong or right. Nature's phenomena will agree or they'll disagree with your theory. And, although you may gain some temporary fame and excitement, you will not gain a good reputation as a scientist if you haven't tried to be very careful in this kind of work. And it's this type of integrity, this kind of care not to fool yourself, that is missing to a large extent in much of the research in cargo cult science.",
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