Richard Feynman Quotes
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Know your place in the world and evaluate yourself fairly, not in terms of the naïve ideals of your own youth, nor in terms of what you erroneously imagine your teacher's ideals are.
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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.
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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.
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All we know so far is what doesn't work.
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Outside of their particular area of expertise scientists are just as dumb as the next person.
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To guess what to keep and what to throw away takes considerable skill. Actually it is probably merely a matter of luck, but it looks as if it takes considerable skill.
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The Quantum Universe has a quotation from me in every chapter - but it's a damn good book anyway.
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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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In any organization there ought to be the possibility of discussion... fence sitting is an art, and it's difficult, and it's important to do, rather than to go headlong in one direction or the other. It's just better to have action, isn't it than to sit on the fence? Not if you're not sure which way to go, it isn't.
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Nature's imagination far surpasses our own.
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No problem is too small or too trivial if we can really do something about it.
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I learned from her that every woman is worried about her looks, no matter how beautiful she is.
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Another of the qualities of science is that it teaches the value of rational thought, as well as the importance of freedom of thought; the positive results that come from doubting that all the lessons are true... Learn from science that you must doubt the experts. As a matter of fact, I can also define science another way: Science is the belief in the ignorance of experts.
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Victory usually goes to those green enough to underestimate the monumental hurdles they are facing.
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Since then I never pay attention to anything by "experts". I calculate everything myself.
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But logic is not all, one needs one's heart to follow an idea.
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The thing that doesn't fit is the thing that is most interesting.
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Science is a way of trying not to fool yourself.
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Work as hard and as much as you want to on the things you like to do the best.
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I think I can safely say that nobody understands Quantum Mechanics.
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To test whether you have learned an idea or a definition, rephrase what you just learned without using the new word.
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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 can discuss.
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If I could explain it to the average person, I wouldn't have been worth the Nobel Prize.
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It is necessary for the very existence of science that minds exist which do not allow that nature must satisfy some preconceived conditions.