Adventure Quote by Karl Popper

“It is not his possession of knowledge, of irrefutable truth, that makes the man of science, but his persistent and recklessly critical quest for truth.”

Karl Popper

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Adventure Critical He man Knowledge Knows Men Persistent Possession Quests Science Truth

More by Karl Popper

Science is not a system of certain, or -established, statements; nor is it a system which steadily advances towards a state of finality... And…

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“As indicated by our example, methodological nominalism is nowadays fairly generally accepted in the natural sciences. The problems of the social sciences, on the…

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Science is perhaps the only human activity in which errors are systematically criticized and, in time, corrected.

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A system is empirical or scientific only if it is capable of being tested by experience. These considerations suggest that not the verifiability but…

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Bold ideas, unjustified anticipations, and speculative thought, are our only means for interpreting nature: our only organon, our only instrument, for grasping her. And…

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[The aim of science is] to explain what so far has taken to be an explicans, such as a law of nature. The task…

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There can be no ultimate statements science: there can be no statements in science which can not be tested, and therefore none which cannot…

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Evolution is not a fact. Evolution doesn't even qualify as a theory or as a hypothesis. It is a metaphysical research program, and it…

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I am opposed to looking upon logic as a kind of game. ... One might think that it is a matter of choice or…

Karl Popper

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The history of science, like the history of all human ideas, is a history of irresponsible dreams, of obstinacy, and of error.

Karl Popper

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Good tests kill flawed theories; we remain alive to guess again.

Karl Popper

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There is no pure, disinterested, theory-free observation,

Karl Popper

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Explore all 181 Karl Popper quotes

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I'm trying to write a film with my friend. I'd love to get the thrill of speaking actors making my work even funnier.

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I painted the words "GREAT ADVENTURE" in Beijing, Dallas, San Francisco, Copenhagen, and Japan. What it means to me is completely different to everybody…

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I've used the Phoenix Centrifuge to replicate what the body's going to go through on the flight up. I've also done some gravity tests…

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I have lifted my plane . . . for perhaps a thousand flights and I have never felt her wheels glide from the Earth…

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I am attracted to looking at the different things language can mean even in one sometimes quite ordinary utterance. Writing is partly about listening…

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What a thrill. You know you've entered new territory when you realise that your outfit cost more than your film.

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“So many people live within unhappy circumstances and yet will not take the initiative to change their situation because they are conditioned by a…

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A common fallacy in much of the adverse criticism to which science is subjected today is that it claims certainty, infallibility and complete emotional…

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