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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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"And the actual achievements of biology are explanations in terms of mechanisms founded on physics and chemistry, which is not the same thing as explanations in terms of physics and chemistry."

"Every single phenomenon in the world, has a physical explanation underneath it. Finding the explanation depends on how far you are willing to go."

"I'm not satisfied with the explanations I get from tv or from school."

"And let me take one of the explanations most commonly given: Analysts were pressured to reach conclusions that would fit the political agenda of one or another administration. I deeply think that is a wrong explanation."

"It was much easier to explain the veil than to answer questions about the wounds."

"The principles behind explaining and educating the product or the elected official is similar, even though the actual execution of it is very, very different."

"The overwhelming majority of theories are rejected because they contain bad explanations, not because they fail experimental tests."
Explore more quotes by David Deutsch

"I myself believe that there will one day be time travel because when we find that something isn't forbidden by the over-arching laws of physics we usually eventually find a technological way of doing it."

"The truly privileged theories are not the ones referring to any particular scale of size or complexity, nor the ones situated at any particular level of the predictive hierarchy, but the ones that contain the deepest explanations."

"Our best theories are not only truer than common sense, they make more sense than common sense."

"The overwhelming majority of theories are rejected because they contain bad explanations, not because they fail experimental tests."

"It is possible to build a virtual-reality generator whose repertoire includes every possible environment."

"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."

"Quantum computation is... a distinctively new way of harnessing nature... It will be the first technology that allows useful tasks to be performed in collaboration between parallel universes."
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