"No particular theory may ever be regarded as……" — Karl Popper
"No particular theory may ever be regarded as absolutely certain.... No scientific theory is sacrosanct..."
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Karl Popper
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119 Quotes by Karl Popper
Karl Popper has 119 quotes on this site.
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Science is not a system of certain, or -established, statements; nor is it a system which steadily advances towards a…
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I think that we shall have to get accustomed to the idea that we must not look upon science as…
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It is a myth that the success of science in our time is mainly due to the huge amounts of…
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The history of science, like the history of all human ideas, is a history of irresponsible dreams, of obstinacy, and…
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Good tests kill flawed theories; we remain alive to guess again.
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It is not his possession of knowledge, of irrefutable truth, that makes the man of science, but his persistent and…
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The growth of our knowledge is the result of a process closely resembling what Darwin called 'natural selection'; that is,…
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Science does not rest upon solid bedrock. The bold structure of its theories rises, as it were, above a swamp.…
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The scientific tradition is distinguished from the pre-scientific tradition by having two layers. Like the latter, it passes on its…
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Thus science must begin with myths, and with the criticism of myths; neither with the collection of observations, nor with…
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In point of fact, no conclusive disproof of a theory can ever be produced; for it is always possible to…
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It is easy to obtain confirmations, or verifications, for nearly every theory-if we look for confirmations. Confirmations should count only…
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