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366 Physicist Quotes

Before God we are all equally wise - and equally foolish.

Equally Foolish God Wise
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When you are courting a nice girl an hour seems like a second. When you sit on a red-hot cinder a second seems like an hour. That's relativity.

Girl Relativity Second Courting
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The hardest thing to understand in the world is the income tax.

Hardest Income Tax Thing
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We should take care not to make the intellect our god; it has, of course, powerful muscles, but no personality.

Care Course God Intellect
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The process of scientific discovery is, in effect, a continual flight from wonder.

Discovery Effect Flight Process
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If you are out to describe the truth, leave elegance to the tailor.

Describe Tailor Truth Elegance
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As far as the laws of mathematics refer to reality, they are not certain, and as far as they are certain, they do not refer to reality.

Certain Far Laws Mathematics
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It was the experience of mystery - even if mixed with fear - that engendered religion.

Experience Fear Mixed Mystery
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Everything should be made as simple as possible, but not simpler.

Everything Made Possible Simple
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We shall require a substantially new manner of thinking if mankind is to survive.

Mankind Manner New Require
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Any man who can drive safely while kissing a pretty girl is simply not giving the kiss the attention it deserves.

Attention Deserves Drive Girl
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I never think of the future - it comes soon enough.

Enough Future Never Soon
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The science of today is the technology of tomorrow.
Science Technology Today Tomorrow
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A fact is a simple statement that everyone believes. It is innocent, unless found guilty. A hypothesis is a novel suggestion that no one wants to believe. It is guilty, until found effective.

Believe Believes Effective Everyone
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Life improves slowly and goes wrong fast, and only catastrophe is clearly visible.

Catastrophe Clearly Fast Goes
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No endeavor that is worthwhile is simple in prospect; if it is right, it will be simple in retrospect.

Endeavor Prospect Retrospect Right
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My experience has been in a short 77 years that in the end when you fight for a desperate cause and have good reasons to fight, you usually win.

Been Cause Desperate End
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Two paradoxes are better than one; they may even suggest a solution.
Better Even May Paradoxes
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I tried to contribute to the defeat of the Soviets. If I contributed 1%, it is 1% of something enormous.

Contribute Defeat Enormous I Tried
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Secrecy, once accepted, becomes an addiction.

Accepted Addiction Becomes Once
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Physics is, hopefully, simple. Physicists are not.

Hopefully Physicists Physics Simple
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The main purpose of science is simplicity and as we understand more things, everything is becoming simpler.

Becoming Everything Main More
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Had we not pursued the hydrogen bomb, there is a very real threat that we would now all be speaking Russian. I have no regrets.

Bomb Had Hydrogen No Regrets
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A stands for atom; it is so small No one has ever seen it at all. B stands for bomb; the bombs are much bigger, So, brother, do not be too fast on the trigger. H has become a most ominous letter. It means something bigger if not something better.

All Atom Mean Letter
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A pessimist is a person who is always right but doesn’t get any enjoyment out of it, while an optimist, is one who imagines that the future is uncertain. It is a duty to be an optimist, because if you imagine that the future is uncertain, then you must do something about it.

Focus Future Optimist Right
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A scientific invention consists of six (or some number) ideas, five of which are absurd but which, with the addition of the sixth and enough rearrangement of the combinations, results in something no one has thought of before.

SCience Idea Enough Invention
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Everybody now wants to discover universal laws which will explain the structure and behavior of the nucleus of the atom. But actually our knowledge of the elementary particles that make up the nucleus is tiny. The situation calls for more modesty. We should first try to discover more about these elementary particles and about their laws. Then it will be the time for the major synthesis of what we really know, and the formulation of the universal law.

Universe Science Atom Knowledge
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I claim that relativity and the rest of modern physics is not complicated. It can be explained very simply. It is only unusual or, put another way, it is contrary to common sense.

Science Modern Simple
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If quantum mechanics hasn't profoundly shocked you, you haven't understood it yet.
Mechanics Profoundly Quantum QuantumMechanics
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Prediction is very difficult, especially if it's about the future.

About Difficult Future Prediction
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Technology has advanced more in the last thirty years than in the previous two thousand. The exponential increase in advancement will only continue.

Advanced Advancement Continue Exponential
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Everything we call real is made of things that cannot be regarded as real.

Call Cannot Everything Made
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Your theory is crazy, but it's not crazy enough to be true.

BeTrue Crazy Enough Theory
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No, no, you're not thinking; you're just being logical.
Being Just Logical Thinking
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There are some things so serious you have to laugh at them.

Laugh Serious Some SomeThings
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How wonderful that we have met with a paradox. Now we have some hope of making progress.

Hope How Making Met
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The opposite of a fact is falsehood, but the opposite of one profound truth may very well be another profound truth.

Another Fact Falsehood May
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Never express yourself more clearly than you are able to think.
Able Clearly Express ExpressYourself
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Einstein, stop telling God what to do!

Einstein God Stop Telling
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A physicist is just an atom's way of looking at itself.

Atom Itself Just Looking
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Every sentence I utter must be understood not as an affirmation, but as a question.

Affirmation Every Must Question
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An expert is a man who has made all the mistakes which can be made, in a narrow field.

Expert Field Made Man
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It is wrong to think that the task of physics is to find out how Nature is. Physics concerns what we say about Nature.

About Concerns Find How
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Every great and deep difficulty bears in itself its own solution. It forces us to change our thinking in order to find it.

Bears Change Deep Difficulty
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The best weapon of a dictatorship is secrecy, but the best weapon of a democracy should be the weapon of openness.

Best Democracy Dictatorship Openness
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When it comes to atoms, language can be used only as in poetry. The poet, too, is not nearly so concerned with describing facts as with creating images.

Atoms Concerned Creating Describing
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Every description of natural processes must be based on ideas which have been introduced and defined by the classical theory.

Based Been Classical Defined
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Humanity will... be confronted with dangers of unprecedented character unless, in due time, measures can be taken to forestall a disastrous competition in such formidable armaments and to establish an international control of the manufacture and use of the powerful materials.

Character Competition Confronted Control
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The atomic bomb made the prospect of future war unendurable. It has led us up those last few steps to the mountain pass; and beyond there is a different country.

Atomic Atomic Bomb Beyond Bomb
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When you see something that is technically sweet, you go ahead and do it and you argue about what to do about it only after you have had your technical success. That is the way it was with the atomic bomb.

About After Ahead Argue
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