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The quantum theory of parallel universes is not the problem, it is the solution. It is not some troublesome, optional interpretation emerging from arcane theoretical considerations. It is the explanation - the only one that is tenable - of a remarkable and counter-intuitive reality.

David Deutsch

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David Deutsch
Age: 71
Born: 1953
Born: May 18
Computer Scientist
Non-Fiction Writer
Physicist
Theoretical Physicist
University Teacher
Hefa
David Elieser Deutsch
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Tenable
Remarkable
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Arcane
Solutions
Theoretical
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More quotes by David Deutsch

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Despite the unrivaled empirical success of quantum theory, the very suggestion that it may be literally true as a description of nature is still greeted with cynicism, incomprehension, and even anger.
David Deutsch
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Our best theories are not only truer than common sense, they make more sense than common sense...
David Deutsch
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The overwhelming majority of theories are rejected because they contain bad explanations, not because they fail experimental tests.
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Time travel may be achieved one day, or it may not. But if it is, it should not require any fundamental change in world-view, at least for those who broadly share the world view I am presenting in this book.
David Deutsch
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Discovering a new explanation is inherently an act of creativity.
David Deutsch
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Science is objective. And in my view we cannot take any experimental results seriously except in the light of good explanations of them.
David Deutsch
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It is possible to build a virtual-reality generator whose repertoire includes every possible environment.
David Deutsch
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If you reject the infinite, you are stuck with the finite, and the finite is parochial... the best explanation of anything eventually involves universality, and therefore infinity. The reach of explanations cannot be limited by fiat.
David Deutsch
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The brain is the only kind of object capable of understanding that the cosmos is even there, or why there are infinitely many prime numbers, or that apples fall because of the curvature of space-time, or that obeying its own inborn instincts can be morally wrong, or that it itself exists.
David Deutsch
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Where we have good, testable explanations, they then have to be tested, and we drop the ones that fail the tests.
David Deutsch
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Humans may or may not have cosmic significance, and if they do, it will be by hitching a ride on the objective centrality of knowledge in the cosmic scheme of things.
David Deutsch
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If we can't program it, we can't understand it.
David Deutsch
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No precautions, and no precautionary principle, can avoid problems that we do not yet foresee. We need a stance of problem-fixing, not just problem-avoidance.
David Deutsch