Quotes by Richard Feynman

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  • Physics is like sex: sure, it may give some practical results, but that's not why we do it.
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  • A philosopher once said 'It is necessary for the very existence of science that the same conditions always produce the same results'. Well, they do not. You set up the circumstances, with the same conditions every time, and you cannot predict behind which hole you will see the electron.
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  • I was born not knowing and have had only a little time to change that here and there.
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  • Physics is to math what sex is to masturbation.
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  • Nature has a great simplicity and therefore a great beauty.
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  • 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. I learned very early the difference between knowing the name of something and knowing something.
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  • There are 10^11 stars in the galaxy. That used to be a huge number. But it's only a hundred billion. It's less than the national deficit! We used to call them astronomical numbers. Now we should call them economical numbers.
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  • 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.
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  • Philosophers say a great deal about what is absolutely necessary for science, and it is always, so far as one can see, rather naive, and probably wrong.
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  • Physicists like to think that all you have to do is say, these are the conditions, now what happens next?
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  • The real question of government versus private enterprise is argued on too philosophical and abstract a basis. Theoretically, planning may be good. But nobody has ever figured out the cause of government stupidity and until they do (and find the cure) all ideal plans will fall into quicksand.
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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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  • I was born not knowing and have only had a little time to change that here and there.
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  • I believe that a scientist looking at nonscientific problems is just as dumb as the next guy.
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  • For a successful technology, reality must take precedence over public relations, for Nature cannot be fooled.
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  • The first principle is that you must not fool yourself - and you are the easiest person to fool.
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