Richard Feynman Quotes
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What did you ASK at school today?
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The fundamental principle of science, the definition almost, is this: the sole test of the validity of any idea is experiment.
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Don't pay attention to "authorities," think for yourself.
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We are not to tell nature what she’s gotta be... She's always got better imagination than we have.
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I have argued flying saucers with lots of people. I was interested in possible. They do not appreciate that the problem is not to demonstrate whether it's possible or not but whether it's going on or not.
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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.
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The fact that you are not sure means that it is possible that there is another way someday.
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What would happen if we could arrange the atoms one by one the way we want them?
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Outside of their particular area of expertise scientists are just as dumb as the next person.
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I don't believe I can really do without teaching.
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One cannot understand... the universality of laws of nature, the relationship of things, without an understanding of mathematics. There is no other way to do it.
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The same equations have the same solutions
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I am not interested in what today's mathematicians find interesting.
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There are theoretical physicists who imagine, deduce, and guess at new laws, but do not experiment; and then there are experimental physicists who experiment, imagine, deduce, and guess.
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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 would rather have questions that can't be answered than answers that can't be questioned.
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The only way to deep happiness is to do something you love to the best of your ability
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What is not surrounded by uncertainty cannot be the truth.
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All mass is interaction.
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Although it is uncertain, it is necessary to make science useful. Science is only useful if it tells you about some experiment that has not been done; it is not good if it only tells you what just went on.