Richard Feynman Quotes
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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 can find any other view of the world which agrees over the entire range where things have already been observed, but disagrees somewhere else, you have made a great discovery.
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But logic is not all, one needs one's heart to follow an idea.
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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!
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Victory usually goes to those green enough to underestimate the monumental hurdles they are facing.
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All we know so far is what doesn't work.
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One does not, by knowing all the physical laws as we know them today, immediately obtain an understanding of anything much. I love only nature, and I hate mathematicians.
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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.
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Since then I never pay attention to anything by "experts". I calculate everything myself.
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What is not surrounded by uncertainty cannot be the truth.
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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!
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What Do You Care What Other People Think?
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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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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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Work as hard and as much as you want to on the things you like to do the best.
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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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The Quantum Universe has a quotation from me in every chapter - but it's a damn good book anyway.
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Science is a way of trying not to fool yourself.
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I'm going to play with physics, whenever I want to, without worrying about any importance whatsoever.
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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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The thing that doesn't fit is the thing that is most interesting.
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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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I am not interested in what today's mathematicians find interesting.
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You do not know anything until you have practiced.