All Time Famous Quotes of Richard Feynman

Richard P. Feynman Quotes

Richard Feynman (1918–1988) was an influential American physicist renowned for his work in quantum mechanics and quantum electrodynamics (QED). He introduced Feynman diagrams, graphical representations used in quantum field theory to visualize particle interactions. Feynman, along with Julian Schwinger and Sin-Itiro Tomonaga, received the Nobel Prize in Physics in 1965 for their contributions to QED. Feynman was not only a brilliant scientist but also an engaging teacher and communicator of science. His popular science books, including “Surely You’re Joking, Mr. Feynman!” and “What Do You Care What Other People Think?”, made complex concepts accessible to a wider audience. Feynman’s legacy extends beyond his scientific achievements; his enthusiasm for discovery and his unique teaching style continue to inspire scientists and enthusiasts alike.

Richard Feynman Quotes

1. “Study hard what interests you the most in the most undisciplined, irreverent and original manner possible.”
— Richard P. Feynman

2. “The first principle is that you must not fool yourself and you are the easiest person to fool.”
— Richard P. Feynman

3. “What I cannot create, I do not understand.”
— Richard P. Feynman

4. “I, a universe of atoms, an atom in the universe.”
— Richard P. Feynman

5. “I would rather have questions that can’t be answered than answers that can’t be questioned.”
— Richard P. Feynman

6. “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

7. “Teach principles not formulas.”
— Richard P. Feynman

8. “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

9. “I learned very early the difference between knowing the name of something and knowing something.”
— Richard P. Feynman

10. “To not know math is a severe limitation to understanding the world.”
— Richard P. Feynman

11. “Scientists are explorers. Philosophers are tourists.”
— Richard P. Feynman

12. “Physics is like sex: sure, it may give some practical results, but that’s not why we do it.”
— Richard P. Feynman

13. “The only way to deep happiness is to do something you love to the best of your ability.”
— Richard P. Feynman

14. “Religion is a culture of faith; science is a culture of doubt.”
— Richard P. Feynman

15. “I wonder why. I wonder why. I wonder why I wonder.”
— Richard P. Feynman

16. “I think it’s much more interesting to live not knowing than to have answers which might be wrong.”
Richard P. Feynman

17. “Physics isn’t the most important thing. Love is.”
— Richard P. Feynman

18. “If you thought that science was certain – well, that is just an error on your part.”
— Richard P. Feynman

19. “Fall in love with some activity, and do it! Nobody ever figures out what life is all about, and it doesn’t matter.”
— Richard P. Feynman

20. “Never confuse education with intelligence, you can have a PhD and still be an idiot.”
— Richard P. Feynman

21. “The first principle is that you must not fool yourself – and you are the easiest person to fool. So you have to be very careful about that. After you’ve not fooled yourself, it’s easy not to fool other scientists. You just have to be honest in a conventional way after that.”
— Richard P. Feynman

22. “Nature has a great simplicity and therefore a great beauty.”
— Richard P. Feynman

23. “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

24. “I love only nature, and I hate mathematicians.”
— Richard P. Feynman

25. “There is no learning without having to pose a question. And a question requires doubt.”
— Richard P. Feynman

26. “Know how to solve every problem that has been solved.”
— Richard P. Feynman

27. “If you think you understand quantum mechanics, you don’t understand quantum mechanics.”
— Richard P. Feynman

28. “I was born not knowing and have had only a little time to change that here and there.”
— Richard P. Feynman

29. “Mathematics is a language plus reasoning; it is like a language plus logic. Mathematics is a tool for reasoning.”
— Richard P. Feynman

30. “I don’t feel frightened by not knowing things, by being lost in a mysterious universe without any purpose, which is the way it really is, as far as I can tell. Possibly. It doesn’t frighten me.”
— Richard P. Feynman

31. “If all of mathematics disappeared, physics would be set back by exactly one week.”
— Richard P. Feynman

32. “I think I can safely say that nobody understands Quantum Mechanics.”
— Richard P. Feynman

33. “People who wish to analyze nature without using mathematics must settle for a reduced understanding.”
— Richard P. Feynman

34. “The highest forms of understanding we can achieve are laughter and human compassion.”
— Richard P. Feynman

35. “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

36. “The world is a dynamic mess of jiggling things.”
— Richard P. Feynman

37. “The exception tests the rule.”
— Richard P. Feynman

38. “Do not read so much, look about you and think of what you see there.”
— Richard P. Feynman

39. “Experiment is the sole judge of the validity of any idea.”
— Richard P. Feynman

40. “Tell your son to stop trying to fill your head with science – for to fill your heart with love is enough.”
— Richard P. Feynman

41. “Outside of their particular area of expertise scientists are just as dumb as the next person.”
— Richard P. Feynman

42. “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.”
— Richard P. Feynman

43. “Einstein was a giant. His head was in the clouds, but his feet were on the ground. But those of us who are not that tall have to choose!”
— Richard P. Feynman

44. “There’s plenty of room at the bottom.”
— Richard P. Feynman

45. “To every man is given the key to the gates of heaven. The same key opens the gates of hell. And so it is with science.”
— Richard P. Feynman

46. “There is enough energy in a single cubic meter of space to boil all the oceans in the world.”
— Richard P. Feynman

47. “Science is what we have learned about how to keep from fooling ourselves.”
— Richard P. Feynman

48. “You see, the chemists have a complicated way of counting: instead of saying “one, two, three, four, five protons”, they say, “hydrogen, helium, lithium, beryllium, boron.””
— Richard P. Feynman

49. “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.”
— Richard P. Feynman

50. “It’s amazing how many people even today use a computer to do something you can do with a pencil and paper in less time.”
— Richard P. Feynman

51. “The electron is a theory we use; it is so useful in understanding the way nature works that we can almost call it real.”
— Richard P. Feynman

52. “For a successful technology, reality must take precedence over public relations, for Nature cannot be fooled.”
— Richard P. Feynman

53. “I don’t know what’s the matter with people: they don’t learn by understanding, they learn by some other way – by rote or something. Their knowledge is so fragile!”
Richard P. Feynman

54. “But see that the imagination of nature is far, far greater than the imagination of man.”
— Richard P. Feynman

55. “Computer science is not as old as physics; it lags by a couple of hundred years. However, this does not mean that there is significantly less on the computer scientist’s plate than on the physicist’s: younger it may be, but it has had a far more intense upbringing!”
— Richard P. Feynman

56. “Our imagination is stretched to the utmost, not, as in fiction, to imagine things which are not really there, but just to comprehend those things which are there.”
— Richard P. Feynman

57. “You can always recognize truth by its beauty and simplicity.”
— Richard P. Feynman

58. “I’m smart enough to know that I’m dumb.”
— Richard P. Feynman

59. “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

60. “Turbulence is the most important unsolved problem of classical physics.”
— Richard P. Feynman

61. “Thank you very Much, I enjoyed myself.”
— Richard P. Feynman

62. “Of course, you only live one life, and you make all your mistakes, and learn what not to do, and that’s the end of you.”
— Richard P. Feynman

63. “But logic is not all, one needs one’s heart to follow an idea.”
— Richard P. Feynman

64. “We are at the very beginning of time for the human race. It is not unreasonable that we grapple with problems. But there are tens of thousands of years in the future. Our responsibility is to do what we can, learn what we can, improve the solutions, and pass them on.”
— Richard P. Feynman

65. “All theoretical chemistry is really physics; and all theoretical chemists know it.”
— Richard P. Feynman

66. “The easiest person to fool is yourself.”
— Richard P. Feynman

67. “Since then I never pay attention to anything by “experts”. I calculate everything myself.”
— Richard P. Feynman

68. “I think nature’s imagination Is so much greater than man’s, she’s never going to let us relax.”
— Richard P. Feynman

69. “Precise language is not the problem. Clear language is the problem.”
— Richard P. Feynman

70. “Know your place in the world and evaluate yourself fairly, not in terms of the naive ideals of your own youth, nor in terms of what you erroneously imagine your teacher’s ideals are.”
— Richard P. Feynman

71. “We have found it of paramount importance that in order to progress, we must recognize our ignorance and leave room for doubt.”
— Richard P. Feynman

72. “There are all kinds of interesting questions that come from a knowledge of science, which only adds to the excitement and mystery and awe of a flower.”
— Richard P. Feynman

73. “Today’s brains are yesterday’s mashed potatoes.”
— Richard P. Feynman

74. “Victory usually goes to those green enough to underestimate the monumental hurdles they are facing.”
— Richard P. Feynman

75. “You see, I get so much fun out of thinking that I don’t want to destroy this pleasant machine that makes life such a big kick.”
— Richard P. Feynman

76. “It turns out that all life is interconnected with all other life.”
— Richard P. Feynman

77. “All mass is interaction.”
— Richard P. Feynman

78. “There is nothing in biology yet found that indicates the inevitability of death. This suggests to me that it is not at all inevitable and that it is only a matter of time before biologists discover what it is that is causing us the trouble.”
— Richard P. Feynman

79. “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.”
— Richard P. Feynman

80. “The electron is a theory. But the theory is so good we can almost consider them real.”
— Richard P. Feynman

81. “No man is rich who is unsatisfied, but who wants nothing possess his heart’s desire.”
— Richard P. Feynman

82. “It is scientific only to say what is more likely and what less likely, and not to be proving all the time the possible and impossible.”
— Richard P. Feynman

83. “Science alone of all the subjects contains within itself the lesson of the danger of belief in the infallibility of the greatest teachers of the preceding generation.”
— Richard P. Feynman

84. “That is the logical tight-rope on which we have to walk if we wish to interpret nature.”
— Richard P. Feynman

85. “I love to think. I once considered taking drugs as an attempt to better understand an altered state of mind; however, I decided not to. I didn’t want to chance ruining the machine.”
— Richard P. Feynman

86. “For far more marvelous is the truth than any artists of the past imagined it. Why do the poets of the present not speak of it? What men are poets who can speak of Jupiter if he were a man, but if he is an immense spinning sphere of methane and ammonia must be silent?”
— Richard P. Feynman

87. “Energy is a very subtle concept. It is very, very difficult to get right.”
— Richard P. Feynman

88. “For those who want some proof that physicists are human, the proof is in the idiocy of all the different units which they use for measuring energy.”
— Richard P. Feynman

89. “You do not know anything until you have practiced.”
— Richard P. Feynman

90. “A person talks in such generalities that everyone can understand him and it’s considered to be some deep philosophy. However, I would like to be very rather more special and I would like to be understood in an honest way, rather than in a vague way.”
— Richard P. Feynman

91. “This is the key of modern science and is the beginning of the true understanding of nature. This idea. That to look at the things, to record the details, and to hope that in the information thus obtained, may lie a clue to one or another of a possible theoretical interpretation.”
— Richard P. Feynman

92. “A philosopher once said, ‘It is necessary for the very existence of science that the same conditions always produce the same results.’ Well, they don’t!”
— Richard P. Feynman

93. “I couldn’t claim that I was smarter than sixty-five other guys – but the average of sixty-five other guys, certainly!”
— Richard P. Feynman

94. “Some people think Wheeler’s gotten crazy in his later years, but he’s always been crazy.”
— Richard P. Feynman

95. “There are thousands of years in the past, and there is an unknown amount of time in the future. There are all kinds of opportunities, and there are all kinds of dangers.”
— Richard P. Feynman

96. “What would happen if we could arrange the atoms one by one the way we want them?”
— Richard P. Feynman

97. “By honest I don’t mean that you only tell what’s true. But you make clear the entire situation. You make clear all the information that is required for somebody else who is intelligent to make up their mind.”
— Richard P. Feynman

98. “The inside of a computer is as dumb as hell but it goes like mad!”
— Richard P. Feynman

99. “We scientists are clever – too clever – are you not satisfied? Is four square miles in one bomb not enough? Men are still thinking. Just tell us how big you want it!”
— Richard P. Feynman

100. “Light is something like raindrops each little lump of light is called a photon and if the light is all one color, all the “raindrops” are the same.”
— Richard P. Feynman

101. “But the real glory of science is that we can find a way of thinking such that the law is evident.”
— Richard P. Feynman

102. “It is impossible, by the way, when picking one example of anything, to avoid picking one which is atypical in some sense.”
— Richard P. Feynman

103. “Work as hard and as much as you want to on the things you like to do the best.”
— Richard P. Feynman

104. “If you can’t explain something to a first year student, then you haven’t really understood .”
— Richard P. Feynman

105. “Have no respect whatsoever for authority; forget who said it and instead look what he starts with, where he ends up, and ask yourself, “Is it reasonable?””
— Richard P. Feynman

106. “Science is the belief in the ignorance of experts.”
— Richard P. Feynman

107. “As you know, a theory in physics is not useful unless it is able to predict underlined effects which we would otherwise expect.”
— Richard P. Feynman

108. “What Do You Care What Other People Think?”
— Richard P. Feynman

109. “Progress in science comes when experiments contradict theory.”
— Richard P. Feynman

110. “To develop working ideas efficiently, I try to fail as fast as I can.”
— Richard P. Feynman

111. “People may come along and argue philosophically that they like one better than another; but we have learned from much experience that all philosophical intuitions about what nature is going to do fail.”
— Richard P. Feynman

112. “Knowledge isn’t free. You have to pay attention.”
— Richard P. Feynman

113. “Everything is made of atoms.”
— Richard P. Feynman

114. “It appears that there are enormous differences of opinion as to the probability of a failure with loss of vehicle and of human life. The estimates range from roughly 1 in 100 to 1 in 100,000. The higher figures come from the working engineers, and the very low figures from management.”
— Richard P. Feynman

115. “Winning a Nobel Prize is no big deal, but winning it with an IQ of 124 is really something.”
— Richard P. Feynman

116. “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

117. “The ‘paradox’ is only a conflict between reality and your feeling of what reality ’ought to be.”
— Richard P. Feynman

118. “If you keep proving stuff that others have done, getting confidence, increasing the complexities of your solutions – for the fun of it – then one day you’ll turn around and discover that nobody actually did that one! And that’s the way to become a computer scientist.”
— Richard P. Feynman

119. “We are trying to prove ourselves wrong as quickly as possible, because only in that way can we find progress.”
— Richard P. Feynman

120. “The test of all knowledge is experiment. Experiment is the sole judge of scientific truth.”
— Richard P. Feynman

121. “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.”
— Richard P. Feynman

122. “If it disagrees with experiment, it’s wrong.”
— Richard P. Feynman

123. “If you have any talent, or any occupation that delights you, do it, and do it to the hilt. Don’t ask why, or what difficulties you may get into.”
— Richard P. Feynman

124. “The thing that doesn’t fit is the thing that is most interesting.”
— Richard P. Feynman

125. “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

126. “Science is a process for learning about nature in which competing ideas about how the world works are measured against observations.”
— Richard P. Feynman

127. “Don’t pay attention to “authorities,” think for yourself.”
— Richard P. Feynman

128. “Science is uncertain.”
— Richard P. Feynman

129. “Listen, I mean that from my knowledge of the world that I see around me, I think that it is much more likely that the reports of flying saucers are the results of the known irrational characteristics of terrestrial intelligence than of the unknown rational efforts of extra-terrestrial intelligence.”
— Richard P. Feynman

130. “If an apple was magnified to the size of the Earth, then the atoms in the apple would be approximately the size of the original apple.”
— Richard P. Feynman

131. “What is not surrounded by uncertainty cannot be the truth.”
— Richard P. Feynman

132. “Doubt is clearly a value in science. It is important to doubt and that the doubt is not a fearful thing, but a thing of great value.”
— Richard P. Feynman

133. “I’m going to play with physics, whenever I want to, without worrying about any importance whatsoever.”
— Richard P. Feynman

134. “Work hard to find something that fascinates you.”
— Richard P. Feynman

135. “Our responsibility is to do what we can, learn what we can, improve the solutions, and pass them on.”
— Richard P. Feynman

136. “People often think I’m a faker, but I’m usually honest, in a certain way – in such a way that often nobody believes me!”
— Richard P. Feynman

137. “It is in the admission of ignorance and the admission of uncertainty that there is a hope for the continuous motion of human beings in some direction that doesn’t get confined, permanently blocked, as it has so many times before in various periods in the history of man.”
— Richard P. Feynman

138. “Mathematics is not just a language. Mathematics is a language plus reasoning.”
— Richard P. Feynman

139. “The same equations have the same solutions.”
— Richard P. Feynman

140. “Learn what the rest of the world is like. The variety is worthwhile.”
— Richard P. Feynman

141. “Observation, reason, and experiment make up what we call the scientific method.”
— Richard P. Feynman

142. “It is simple, therefore it is beautiful.”
— Richard P. Feynman

143. “Poets say science takes away from the beauty of the stars – mere globs of gas atoms. I, too, can see the stars on a desert night, and feel them. But do I see less or more?”
— Richard P. Feynman

144. “What did you ASK at school today?”
— Richard P. Feynman

145. “If a guy tells me the probability of failure is 1 in 100,000, I know he’s full of crap.”
— Richard P. Feynman

146. “Nature does not care what we call it, she just keeps on doing it.”
— Richard P. Feynman

147. “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.”
— Richard P. Feynman

148. “If I could explain it to the average person, I wouldn’t have been worth the Nobel Prize.”
— Richard P. Feynman

149. “If you don’t like it, go somewhere else, to another universe where the rules are simpler.”
— Richard P. Feynman

150. “What we need is imagination, but imagination in a terrible strait-jacket.”
— Richard P. Feynman

151. “The truth always turns out to be simpler than you thought.”
Richard P. Feynman

152. “No problem is too small or too trivial if we can really do something about it.”
— Richard P. Feynman

153. “Scientific knowledge is a body of statements of varying degrees of certainty – some most unsure, some nearly sure, none absolutely certain.”
— Richard P. Feynman

154. “I’d hate to die twice. It’s so boring.”
— Richard P. Feynman

155. “I always do that, get into something and see how far I can go.”
— Richard P. Feynman

156. “We find that the statements of science are not of what is true and what is not true, but statements of what is known with different degrees of certainty: “It is very much more likely that so and so is true than that it is not true”.”
— Richard P. Feynman

157. “Nature’s imagination far surpasses our own.”
— Richard P. Feynman

158. “I am not interested in what today’s mathematicians find interesting.”
— Richard P. Feynman

159. “If science is to progress, what we need is the ability to experiment, honesty in reporting results – the results must be reported without somebody saying what they would like the results to have been – and finally – an important thing – the intelligence to interpret the results.”
— Richard P. Feynman

160. “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

161. “The present situation in physics is as if we know chess, but we don’t know one or two rules.”
— Richard P. Feynman

162. “We’ve learned from experience that the truth will come out.”
— Richard P. Feynman

163. “While I am describing to you how Nature works, you won’t understand why Nature works that way. But you see, nobody understands that.”
— Richard P. Feynman

164. “Science is a way of trying not to fool yourself.”
— Richard P. Feynman

165. “It does not make any difference how beautiful your guess is. It does not make any difference how smart you are, who made the guess, or what his name is if it disagrees with experiment it is wrong. That is all there is to it.”
— Richard P. Feynman

166. “Unless a thing can be defined by measurement, it has no place in a theory. And since an accurate value of the momentum of a localized particle cannot be defined by measurement it therefore has no place in the theory.”
— Richard P. Feynman

167. “You can’t say A is made of B or vice versa. All mass is interaction.”
— Richard P. Feynman

168. “Scientific knowledge is an enabling power to do either good or bad – but it does not carry instructions on how to use it.”
— Richard P. Feynman

169. “There is a computer disease that anybody who works with computers knows about. It’s a very serious disease and it interferes completely with the work. The trouble with computers is that you ‘play’ with them!”
— Richard P. Feynman

170. “It is important to realize that in physics today, we have no knowledge of what energy is.”
— Richard P. Feynman

171. “I don’t believe I can really do without teaching.”
— Richard P. Feynman

172. “I don’t believe I can really do without teaching. The reason is, I have to have something so that when I don’t have any ideas and I’m not getting anywhere, I can say to myself, “At least I’m living; at least I’m doing something. I’m making some contribution.” It’s just psychological.”
— Richard P. Feynman

173. “It is not unscientific to make a guess, although many people who are not in science think it is.”
— Richard P. Feynman

174. “There is no authority who decides what is a good idea.”
— Richard P. Feynman

175. “There in wine is found the great generalization: all life is fermentation.”
— Richard P. Feynman

176. “But there is nothing in biology yet found that indicates the inevitability of death.”
— Richard P. Feynman

177. “To test whether you have learned an idea or a definition, rephrase what you just learned without using the new word.”
— Richard P. Feynman

178. “If there is something very slightly wrong in our definition of the theories, then the full mathematical rigor may convert these errors into ridiculous conclusions.”
— Richard P. Feynman

179. “When I found out that Santa Claus wasn’t real, I wasn’t upset; rather, I was relieved that there was a much simpler phenomenon to explain how so many children all over the world got presents on the same night! The story had been getting pretty complicated – it was getting out of hand.”
— Richard P. Feynman

180. “I don’t have to be good because they think I’m going to be good.”
— Richard P. Feynman

181. “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.”
— Richard P. Feynman

182. “Few people realize the number of things that are possible.”
— Richard P. Feynman

183. “I have to disregard everybody else, and then I can do my own work.”
— Richard P. Feynman

184. “The other great heritage is Christian ethics – the basis of action on love, the brotherhood of all men, the value of the individual, the humility of the spirit. These two heritages are logically, thoroughly consistent.”
— Richard P. Feynman

185. “We are not to tell nature what she’s gotta be. She’s always got better imagination than we have.”
— Richard P. Feynman

186. “We are lucky to live in an age in which we are still making discoveries.”
— Richard P. Feynman

187. “We have this terrible struggle to try to explain things to people who have no reason to want to know.”
— Richard P. Feynman

188. “As revealed by physics, the truth is so remarkable, so amazing!”
— Richard P. Feynman

189. “If you know that you are not sure, you have a chance to improve the situation. I want to demand this freedom for future generations.”
— Richard P. Feynman

190. “You see, one thing is, I can live with doubt and uncertainty and not knowing. I think it’s much more interesting to live not knowing than to have answers which might be wrong.”
— Richard P. Feynman

191. “From a long view of the history of mankind the most significant event of the nineteenth century will be judged as Maxwell’s discovery of the laws of electrodynamics.”
— Richard P. Feynman

192. “Philosophy of science is about as useful to scientists as ornithology is to birds.”
— Richard P. Feynman

193. “I learned from her that every woman is worried about her looks, no matter how beautiful she is.”
— Richard P. Feynman

194. “I believe that a scientist looking at nonscientific problems is just as dumb as the next guy.”
— Richard P. Feynman

195. “The fact that you are not sure means that it is possible that there is another way someday.”
— Richard P. Feynman

196. “The idea is to try to give all the information to help others to judge the value of your contribution; not just the information that leads to judgment in one particular direction or another.”
— Richard P. Feynman

197. “Strange! I don’t understand how it is that we can write mathematical expressions and calculate what the thing is going to do without being able to picture it.”
— Richard P. Feynman

198. “I think a power to do something is of value. Whether the result is a good thing or a bad thing depends on how it is used, but the power is a value.”
— Richard P. Feynman

199. “In a way, the Nobel Prize has been something of a pain in the neck, though there was at least one time that I got some fun out of it, Shortly after I won the Prize, Gweneth and I received an invitation from the Brazilian government to be the guests of honor at the Carnaval celebrations in Rio.”
— Richard P. Feynman

200. “I don’t feel frightened by not knowing things.”
— Richard P. Feynman

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