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Uncertainty is NOT I don't know. It is I can't know. I am uncertain does not mean I could be certain.

Werner Heisenberg

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Werner Heisenberg
Age: 74 †
Born: 1901
Born: December 5
Died: 1976
Died: February 1
Academic
Mathematician
Mountaineer
Non-Fiction Writer
Nuclear Physicist
Physicist
Theoretical Physicist
University Teacher
Kreisfreie Stadt Würzburg
Werner Karl Heisenberg
Heisenberg
Werner K. Heisenberg
Arrogance
Uncertainty
Certain
Doe
Mean
Uncertain

More quotes by Werner Heisenberg

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I think that modern physics has definitely decided in favor of Plato. In fact the smallest units of matter are not physical objects in the ordinary sense they are forms, ideas which can be expressed unambiguously only in mathematical language.
Werner Heisenberg
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Science no longer is in the position of observer of nature, but rather recognizes itself as part of the interplay between man and nature. The scientific method ... changes and transforms its object: the procedure can no longer keep its distance from the object.
Werner Heisenberg
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We will have to abandon the philosophy of Democritus and the concept of elementary particles. We should accept instead the concept of elementary symmetries.
Werner Heisenberg
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It was about three o'clock at night when the final result of the calculation [which gave birth to quantum mechanics] lay before me ... At first I was deeply shaken ... I was so excited that I could not think of sleep. So I left the house ... and awaited the sunrise on top of a rock.
Werner Heisenberg
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In my paper the fact the XY was not equal to YX was very disagreeable to me. I felt this was the only point of difficulty in the whole scheme...and I was not able to solve it.
Werner Heisenberg
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Even for the physicist the description in plain language will be a criterion of the degree of understanding that has been reached.
Werner Heisenberg
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The world thus appears as a complicated tissue of events, in which connections of different kinds alternate or overlap or combine and thereby determine the texture of the whole.
Werner Heisenberg
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The 'path' comes into existence only when we observe it.
Werner Heisenberg
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It is probably true quite generally that in the history of human thinking the most fruitful developments frequently take place at those points where two different lines of thought meet.
Werner Heisenberg
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Where no guiding ideals are left to point the way, the scale of values disappears and with it the meaning of our deeds and sufferings, and at the end can lie only negation and despair. Religion is therefore the foundation of ethics, and ethics the presupposition of life.
Werner Heisenberg
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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
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[T]he atoms or elementary particles themselves are not real they form a world of potentialities or possibilities rather than one of things or facts.
Werner Heisenberg
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I believe that the existence of the classical path can be pregnantly formulated as follows: The path comes into existence only when we observe it.
Werner Heisenberg
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Science clears the fields on which technology can build.
Werner Heisenberg
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Both matter and radiation possess a remarkable duality of character, as they sometimes exhibit the properties of waves, at other times those of particles. Now it is obvious that a thing cannot be a form of wave motion and composed of particles at the same time - the two concepts are too different
Werner Heisenberg
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The one who insists on never uttering an error must remain silent.
Werner Heisenberg
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The structure underlying the phenomena is not given by material objects like the atoms of Democritus but by the form that determines the material objects. The Ideas are more fundamental than the objects.
Werner Heisenberg
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In general, scientific progress calls for no more than the absorption and elaboration of new ideas- and this is a call most scientists are happy to heed.
Werner Heisenberg
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The violent reaction on the recent development of modern physics can only be understood when one realises that here the foundations of physics have started moving and that this motion has caused the feeling that the ground would be cut from science
Werner Heisenberg
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Nature is made in such a way as to be able to be understood. Or perhaps I should put it-more correctly-the other way around, and say that we are made in such a way as to be able to understand Nature.
Werner Heisenberg