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If a guy tells me the probability of failure is 1 in 100,000, I know he's full of crap.
Richard Feynman -
Don't pay attention to "authorities," think for yourself.
Richard Feynman
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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.
Richard Feynman -
Science is what we do to keep us from lying to ourselves
Richard Feynman -
The fact that you are not sure means that it is possible that there is another way someday.
Richard Feynman -
I am not interested in what today's mathematicians find interesting.
Richard Feynman -
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.
Richard Feynman -
The fundamental principle of science, the definition almost, is this: the sole test of the validity of any idea is experiment.
Richard Feynman
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I don't believe I can really do without teaching. The reason is, I have to have something so that when I don't have any ideas and I'm not getting anywhere, I can say to myself, "At least I'm living; at least I'm doing something. I'm making some contribution." It's just psychological.
Richard Feynman -
It is not unscientific to make a guess, although many people who are not in science think it is.
Richard Feynman -
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.
Richard Feynman -
We've learned from experience that the truth will out.
Richard Feynman -
We absolutely must leave room for doubt or there is no progress and no learning. There is no learning without having to pose a question. And a question requires doubt. People search for certainty. But there is no certainty.
Richard Feynman -
The thing that doesn't fit is the thing that is most interesting.
Richard Feynman
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Computer science is not as old as physics; it lags by a couple of hundred years. However, this does not mean that there is significantly less on the computer scientist's plate than on the physicist's: younger it may be, but it has had a far more intense upbringing!
Richard Feynman -
Words can be meaningless. If they are used in such a way that no sharp conclusions can be drawn.
Richard Feynman -
There is nothing that living things do that cannot be understood from the point of view that they are made of atoms acting according to the laws of physics.
Richard Feynman -
Observation, reason, and experiment make up what we call the scientific method.
Richard Feynman -
Nobody ever figures out what life is all about, and it doesn't matter. Explore the world. Nearly everything is really interesting if you go into it deeply enough.
Richard Feynman -
The Quantum Universe has a quotation from me in every chapter - but it's a damn good book anyway.
Richard Feynman
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Some things that satisfy the rules of algebra can be interesting to mathematicians even though they don't always represent a real situation.
Richard Feynman -
We are not to tell nature what she’s gotta be... She's always got better imagination than we have.
Richard Feynman -
But logic is not all, one needs one's heart to follow an idea.
Richard Feynman -
I think I can safely say that nobody understands Quantum Mechanics.
Richard Feynman