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No man can visualize four dimensions, except mathematically … I think in four dimensions, but only abstractly. The human mind can picture these dimensions no more than it can envisage electricity. Nevertheless, they are no less real than electro-magnetism, the force which controls our universe, within, and by which we have our being.
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If I were not a physicist, I would probably be a musician. I often think in music. I live my daydreams in music. I see my life in terms of music. … I cannot tell if I would have done any creative work of importance in music, but I do know that I get most joy in life out of my violin.
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About Newton: Nature to him was an open book, whose letters he could read without effort.
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The only rational way of educating is to be an example. If one can't help it, a warning example.
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It is high time the ideal of success should be replaced with the ideal of service.
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He who can no longer pause to wonder and stand rapt in awe, is as good as dead; his eyes are closed.
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The true value of a human being can be found in the degree to which he has attained liberation from the self.
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An expert is a person who has few new ideas; a beginner is a person with many.
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When the number of factors coming into play in a phenomenological complex is too large scientific method in most cases fails. One need only think of the weather, in which case the prediction even for a few days ahead is impossible.
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Try and penetrate with our limited means the secrets of nature and you will find that, behind all the discernible concatenations, there remains something subtle, intangible and inexplicable. Veneration for this force beyond anything that we can comprehend is my religion. To that extent I am, in point of fact, religious.
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The legs are the wheels of creativity.
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I refuse to engage in an intellectual battle with an unarmed man.
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Ethical axioms are founded and tested not very differently from the axioms of science. Truth is what stands the test of experience.
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Taken on the whole, I would believe that Gandhi's views were the most enlightened of all the political men in our time. We should strive to do things in his spirit... not to use violence in fighting for our cause, but by non-participation in what we believe is evil.
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How can it be that mathematics, being after all a product of human thought which is independent of experience, is so admirably appropriate to the objects of reality? Is human reason, then, without experience, merely by taking thought, able to fathom the properties of real things?
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But then, after all, we are all alike, for we are all derived from the monkey.
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It is true that the grasping of truth is not possible without empirical basis. However, the deeper we penetrate and the more extensive and embracing our theories become the less empirical knowledge is needed to determine those theories.
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To invent something, all you need is imagination and a big pile of junk.
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Intuitive powers played a central role in my scientific work, not wild speculation, yet a valued resource when no other approach was available.
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It appears dubious whether a field theory can account for the atomistic structure of matter and radiation as well as of quantum phenomena.
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Dostoevsky gives me more than any scientist, more than Gauss.
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While I am a convinced pacifist there are circumstances in which I believe the use of force is appropriate - namely, in the face of an enemy unconditionally bent on destroying me and my people.
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Am I, or the others crazy?
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It seems to me that the idea of a personal God is an anthropological concept which I cannot take seriously. I feel also not able to imagine some will or goal outside the human sphere. My views are near those of Spinoza: admiration for the beauty of and belief in the logical simplicity of the order which we can grasp humbly and only imperfectly. I believe that we have to content ourselves with our imperfect knowledge and understanding and treat values and moral obligations as a purely human problem-the most important of all human problems.