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Every word or concept, clear as it may seem to be, has only a limited range of applicability.

Werner Heisenberg

Although the theory of relativity makes the greatest of demands on the ability for abstract thought, still it fulfills the traditional requirements of science insofar as it permits a division of the world into subject and object (observer and observed) and, hence, a clear formulation of the law of causality.
WERNER HEISENBERG

Abstract Although Causaully Demand Divison Formation Fulfill Permit Require Subject Theory Traditional
I would like to mention astrophysics; in this field, the strange properties of the pulsars and quasars, and perhaps also the gravitational waves, can be considered as a challenge.
WERNER HEISENBERG

Astrophysics Challenge Consider Field Gravitational Mention Perhaps Property Pulsar Quasar Wave
It is generally believed that our science is empirical and that we draw our concepts and our mathematical constructs from the empirical data.
WERNER HEISENBERG

Believe Concept Data Draw Emricial General Mathematical Our
If we made atomic bombs, we would bring about a terrible change in the world. Who knows what would happen from this?
WERNER HEISENBERG

Atomic Bomb Bring Change Happen Make Terrible World
The uncertainty relation does not refer to the past; if the velocity of the electron is at first known and the position then exactly measured, the position for times previous to the measurement may be calculated.
WERNER HEISENBERG

Fit Know Measurement Position Previous Refer Relation Time Uncertain Velocity
Sometimes a poor performance is better for enjoyment, because you can look at those things that were wrong and analyze them.
WERNER HEISENBERG

Analyze Better Enjoyment Look Performance Sometimes Those Wrong
I think that if a United States of Europe were to be formed, it would be in our interests to fight for it, as all our old traditions would remain in such a united Europe, whereas if we were to start now as part of the Russian Empire, everything that had ever been in Germany would disappear.
WERNER HEISENBERG

Country Disappear Empire Everything Fight Form Interest Old Tradition
There is a great difference between discoveries and inventions. With discoveries, one can always be skeptical, and many surprises can take place. In the case of inventions, surprises can really only occur for people who have not had anything to do with it.
WERNER HEISENBERG

Anything Discovery Gret Indifference Occur People Skeptical Surprise
The single life is bearable to me only through my work in science, but for the long term, it would be very bad if I had to make do without a very young person next to me.
WERNER HEISENBERG

Bad Bearable Make Me Next Person Science Single Term Through Work Young
I believe this uranium business will give the Anglo-Saxons such tremendous power that Europe will become a bloc under Anglo-Saxon domination. If that is the case, it will be a very good thing. I wonder whether Stalin will be able to stand up to the others as he has done in the past.
WERNER HEISENBERG

Believe Blocc Business Case Country Good Poer Thing Tremendous Under Very
What we observe is not nature itself, but nature exposed to our method of questioning.
WERNER HEISENBERG

Expose Method Nature Observe Question
In 1924, I became a Dozent in Gottingen and worked out the quantum mechanics during a holiday stay on Heligoland.
WERNER HEISENBERG

Become Country During Holiday Mechanic Quantum Stay Work
If this were the whole truth, we should, when entering into a new field, introduce only such quantities as can directly be observed, and formulate natural laws only by means of these quantities.
WERNER HEISENBERG

Enter Field Formulate Introduce Mean Observe Quality Truth Whole
If the lecture is good, then everything is too smooth. That’s the same in music: if the performance is too good, you really don’t enjoy it, because it just goes by, and you can never penetrate into the heart of it.
WERNER HEISENBERG

Everything Good Hear Lecture Music Nothing Penetrate Performer Same Smooth
The problems of language here are really serious. We wish to speak in some way about the structure of the atoms. But we cannot speak about atoms in ordinary language.
WERNER HEISENBERG

Atom Language Ordinary Problem Some Speak Structure Way
Reports in Washington show that our reasoning was just like that of your physicists.
WERNER HEISENBERG

Country Just Like Physicist Reason Report Show Your
The solution of the difficulty is that the two mental pictures which experiment lead us to form – the one of the particles, the other of the waves – are both incomplete and have only the validity of analogies which are accurate only in limiting cases.
WERNER HEISENBERG

Accurate Analog Case Difficulty Experiment Limit Mental Particular Picture Solution Validate Wave
Every word or concept, clear as it may seem to be, has only a limited range of applicability.
WERNER HEISENBERG

Applicable Concept Every Word Limited Range Seem
Bohr’s influence on the physics and the physicists of our century was stronger than that of anyone else, even than that of Albert Einstein.
WERNER HEISENBERG

Anyone Century Even Influence Physical Scientist Stronger That
In America, it was decided to attempt the production of atomic bombs with an effort that would constitute a large part of the collective American war effort.
WERNER HEISENBERG

Atomic Attempt Bomb Collect Constitute Country Decide Effort Large Part Production
Whoever dedicates his life to searching out particular connections of nature will spontaneously be confronted with the question how they harmoniously fit into the whole.
WERNER HEISENBERG

Confront Connection Dedicate Fit Harmonious Particular Search Spontaneously Whoever Whole
Natural science, does not simply describe and explain nature; it is part of the interplay between nature and ourselves.
WERNER HEISENBERG

Explain Natural Nature Ourselves Science Simply
With all this information available, at least to privileged persons, I cannot understand why it is generally held in the United States that we completely missed the basic principle of the bomb until after Hiroshima.
WERNER HEISENBERG

Available Bomb Country Information Least People Person Privilege Understand United State Until
Certainly, in the course of time, the splendid things will separate from the hateful.
WERNER HEISENBERG

Certain Course Hateful Separate Splendid Thing
The end of the First World War had thrown Germany’s youth into great turmoil. The reins of power had fallen from the hands of a deeply disillusioned older generation, and the younger ones drew together in larger and smaller groups to blaze new paths or, at least, to discover a new star to steer by.
WERNER HEISENBERG

Deeply Discover Disillusioned End First Generation Great Hand Older Path Rein Small Together Turmoil War World Younger
In Germany, an effort one thousandth the scale of the American was applied to the problem of producing atomic energy that would drive engines.
WERNER HEISENBERG

Apply Atomic Country Drive Effirt Energy Engine Produce Scale Thousandth

Every word or concept, clear as it may seem to be, has only a limited range of applicability.

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Every word or concept, clear as it may seem to be, has only a limited range of applicability.

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