Richard Feynman Quotes
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If you can't explain something to a first year student, then you haven't really understood .
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I think I can safely say that nobody understands Quantum Mechanics.
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The test of all knowledge is experiment.
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... it is impossible to explain honestly the beauties of the laws of nature in a way that people can feel, without their having some deep understanding of mathematics. I am sorry, but this seems to be the case.
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Maybe that is why young people make success. They don't know enough.
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The exception tests the rule.
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Therefore psychologically we must keep all the theories in our heads, and every theoretical physicist who is any good knows six or seven different theoretical representations for exactly the same physics.
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No problem is too small or too trivial if we can really do something about it.
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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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Start out understanding religion by saying everything is possibly wrong... As soon as you do that, you start sliding down an edge which is hard to recover from.
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Learn what the rest of the world is like. The variety is worthwhile.
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You see, I get such fun out of thinking that I don't want to destroy this most pleasant machine that makes life such a big kick.
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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.
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Thus we can get the correct answer for the probability of partial reflection by imagining (falsely) that all reflection comes from only the front and back surfaces. In this intuitively easy analysis, the 'front surface' and 'back surface' arrows are mathematical constructions that give us the right answer, whereas .... a more accurate representation of what is really going on: partial reflection is the scattering of light by electrons inside the glass.
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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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Today's brains are yesterday's mashed potatoes.
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As revealed by physics, the truth is so remarkable, so amazing!
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Observation, reason, and experiment make up what we call the scientific method.
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You can’t say A is made of B or vice versa. All mass is interaction.
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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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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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Do not read so much, look about you and think of what you see there.
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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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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.