Richard Feynman Quotes
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Everything we know is only some kind of approximation, because we know that we do not know all the laws yet. Therefore, things must be learned only to be unlearned again or, more likely, to be corrected.
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You can always recognize truth by its beauty and simplicity.
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Physics is not the most important thing. Love is.
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[Quantum mechanics] describes nature as absurd from the point of view of common sense. And yet it fully agrees with experiment. So I hope you can accept nature as She is - absurd.
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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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If all of this, all the life of a stream of water, can be nothing but a pile of atoms, how much more is possible?
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It's amazing how many people even today use a computer to do something you can do with a pencil and paper in less time.
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Why make yourself miserable saying things like, "Why do we have such bad luck? What has God done to us? What have we done to deserve this?" - all of which, if you understand reality and take it completely into your heart, are irrelevant and unsolvable. They are just things that nobody can know. Your situation is just an accident of life.
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Words can be meaningless. If they are used in such a way that no sharp conclusions can be drawn.
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A scientist is never certain. ... We absolutely must leave room for doubt or there is no progress and there is no learning.
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Scientific knowledge is an enabling power to do either good or bad — but it does not carry instructions on how to use it.
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No man is rich who is unsatisfied, but who wants nothing possess his heart's desire.
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But the real glory of science is that we can find a way of thinking such that the law is evident.
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Listen, I mean that from my knowledge of the world that I see around me, I think that it is much more likely that the reports of flying saucers are the results of the known irrational characteristics of terrestrial intelligence than of the unknown rational efforts of extra-terrestrial intelligence.
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I don't think that the laws can be considered to be like God because they have been figured out.
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The whole question of imagination in science is often misunderstood by people in other disciplines. ... They overlook the fact that whatever we are allowed to imagine in science must be consistent with everything else we know.
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When a scientist doesn't know the answer to a problem, he is ignorant. When he has a hunch as to what the result is, he is uncertain. And when he is pretty darn sure of what the result is going to be, he is still in some doubt. We have found it of paramount importance that in order to progress we must recognize our ignorance and leave room for doubt. Scientific knowledge is a body of statements of varying degrees of certainty - some most unsure, some nearly sure, but none absolutely certain.
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God was invented to explain mystery. God is always invented to explain those things that you do not understand.
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We are lucky to live in an age in which we are still making discoveries.
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I think Nature's imagination is so much greater than man's, she's never gonna let us relax!
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The truth always turns out to be simpler than you thought.
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My rule is, when you are unhappy, think about it. But when you're happy, don't. Why spoil it? You're probably happy for some ridiculous reason and you'd just spoil it to know it.
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It is the fact that the electrons cannot all get on top of each other that makes tables and everything else solid.
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There was a time when the newspapers said that only twelve men understood the theory of relativity. I do not believe there ever was such a time ... On the other hand, I think I can safely say that nobody understands quantum mechanics.