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The history of science is everywhere speculative. It is a marvelous hiatory. It makes you proud to be a human being.

Karl Popper

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Karl Popper
Age: 92 †
Born: 1902
Born: July 28
Died: 1994
Died: September 17
Philosopher
Philosopher Of Science
Sociologist
University Teacher
Writer
Vienna
Austria
Karl Raimund Popper Sir
Karl Raimund
Sir Popper
Sir Karl Raimund Popper
Humans
Speculative
Marvelous
Everywhere
Proud
History
Science
Makes
Human

More quotes by Karl Popper

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But some of these theories are so bold that they can clash with reality: they are the testable theories of science. And when they clash, then we know that there is a reality something that can inform us that our ideas are mistaken.
Karl Popper
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If you can't say it simply and clearly, keep quiet, and keep working on it till you can.
Karl Popper
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Ignorance is not a simple lack of knowledge but an active aversion to knowledge, the refusal to know, issuing from cowardice, pride, or laziness of mind.
Karl Popper
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Better our hypotheses die for our errors than ourselves.
Karl Popper
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To give a causal explanation of an event means to deduce a statement which describes it, using as premises of the deduction one or more universal laws, together with certain singular statements, the initial conditions ... We have thus two different kinds of statement, both of which are necessary ingredients of a complete causal explanation.
Karl Popper
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Simple statements are to be prized more highly than less simple ones because they tell us more because their empirical content is greater and because they are better testable.
Karl Popper
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The game of science is, in principle, without end. He who decides one day that scientific statements do not call for any further test, and that they can be regarded as finally verified, retires from the game.
Karl Popper
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What really makes science grow is new ideas, including false ideas.
Karl Popper
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The conspiracy theory of society... comes from abandoning god and then asking: Who is in his place
Karl Popper
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We never know what we are talking about.
Karl Popper
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The future is always present, as a promise, a lure and a temptation.
Karl Popper
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Every genuine test of a theory is an attempt to falsify it, or to refute it.
Karl Popper
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The fundamental thing about human languages is that they can and should be used to describe something and this something is, somehow, the world. To be constantly and almost exclusively interested in the medium - in spectacle-cleaning - is a result of a philosophical mistake.
Karl Popper
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We have the right not to tolerate the intolerant. We should tolerate even them whenever we can do so without running a great risk but the risk may become so great that we cannot allow ourselves the luxury.
Karl Popper
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I have spoken to Einstein and he admitted to me that his theory was in fact no different from the one of Parmenides.
Karl Popper
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There is no history, only histories.
Karl Popper
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There is no pure, disinterested, theory-free observation.
Karl Popper
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A theory which is not refutable by any conceivable event is non-scientific. Irrefutability is not a virtue of a theory (as people often think) but a vice.
Karl Popper
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We should therefore claim, in the name of tolerance, the right not to tolerate the intolerant.
Karl Popper
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In my view, aiming at simplicity and lucidity is a moral duty of all intellectuals: lack of clarity is a sin, and pretentiousness is a crime.
Karl Popper