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I am by heritage a Jew, by citizenship a Swiss, and by makeup a human being, and only a human being, without any special attachment to any state or national entity whatsoever.
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You have to learn the rules of the game. And then you have to play better than anyone else.
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On the left-hand side of the field equation we may add the fundamental tensor guv, multiplied by a universal constant, -λ, at present unknown, without destroying the general covariance.
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I must seem like an ostrich who forever burries its head in the relativistic sands in order not to face the evil quanta.
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I am doing just fine, considering that I have triumphantly survived Nazism and two wives.
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Through the release of atomic energy, our generation has brought into the world the most revolutionary force since prehistoric man's discovery of fire. This basic force of the universe cannot be fitted into the outmoded concept of narrow nationalisms.
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The human mind has first to construct forms, independently, before we can find them in things.
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... a person who is religiously enlightened appears to me to be one who has, to the best of his ability, liberated himself from the fetters of his selfish desires and is preoccupied with thoughts, feelings, and aspirations to which he clings because of their superpersonal value.
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To see with one's own eyes, to feel and judge without succumbing to the suggestive power of the fashion of the day, to be able to express what one has seen and felt in a snappy sentence or even in a cunningly wrought word - is that not glorious? Is it not a proper subject for congregation?
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Development of Western science is based on two great achievements: the invention of the formal logical system in Euclidean geometry by the Greek philosophers, and the discovery of the possibility to find out causal relationships by systematic experiment during the Renaissance. In my opinion, one has not to be astonished that the Chinese sages have not made these steps. The astonishing thing is that these discoveries were made at all.
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All means prove but blunt instruments, if they have not behind them a living spirit.
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I know that it is a hopeless undertaking to debate about fundamental value judgements. For instance, if someone approves, as a goal, the extirpation of the human race from the earth, one cannot refute such a viewpoint on rational grounds. But if there is agreement on certain goals and values, one can argue rationally about the means by which these objectives may be obtained.
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As to science, we may well define it for our purpose as "methodical thinking directed toward finding regulative connections between our sensual experiences".
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The wonder of nature does not become smaller because one cannot measure it by the standards of human moral and human aims.
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Example isn't another way to teach, it is the only way to teach.
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Nor do I take into account a danger of starting a chain reaction of a scope great enough to destroy part or all of the planet...But it is not necessary to imagine the earth being destroyed like a nova by a stellar explosion to understand vividly the grow ing scope of atomic war and to recognize that unless another war is prevented it is likely to bring destruction on a scale never before held possible, and even now hardly conceived, and that little civilization would survive it.
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We come now to the question: what is a priori certain or necessary, respectively in geometry or its foundations? Formerly we thought everything; nowadays we think nothing. Already the distance-concept is logically arbitrary; there need be no things that correspond to it, even approximately.
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Toreador pants make your feet look big too.
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It would be a sad situation if the bag was better than the meat wrapped in it.
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A scientist is a mimosa when he himself has made a mistake, and a roaring lion when he discovers a mistake of others.
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You imagine that I look back on my life's work with calm satisfaction. But from nearby it looks quite different. There is not a single concept of which I am convinced that it will stand firm, and I feel uncertain whether I am in general on the right track.
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I have become rather like King Midas, except that everything turns not into gold but into a circus.
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Insofar as mathematics is true, it does not describe the real world. Insofar as it describes the real world, it is not true.
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Honestly, I cannot understand what people mean when they talk about the freedom of the human will. I have a feeling, for instance, that I will something or other; but what relation this has with freedom I cannot understand at all. I feel that I will to light my pipe and I do it; but how can I connect this up with the idea of freedom? What is behind the act of willing to light the pipe ? Another act of willing?