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Now this principle of induction cannot be a purely logical truth like a tautology or an analytic statement. . . .

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
Statement
Logical
Statements
Principle
Tautology
Principles
Induction
Cannot
Analytic
Truth
Analytics
Like
Purely

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We should therefore claim, in the name of tolerance, the right not to tolerate the intolerant.
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Better our hypotheses die for our errors than ourselves.
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True ignorance is not the absence of knowledge, but the refusal to acquire it.
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Thus science must begin with myths, and with the criticism of myths neither with the collection of observations, nor with the invention of experiments, but with the critical discussion of myths, and of magical techniques and practices.
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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.
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[To] interpret Parmenides as a Kant before Kant ... this is exactly what we must do.
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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.
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No particular theory may ever be regarded as absolutely certain.... No scientific theory is sacrosanct.
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The genuine rationalist does not think that he or anyone else is in possession of the truth nor does he think that mere criticism as such helps us achieve new ideas. But he does think that, in the sphere of ideas, only critical discussion can help us sort the wheat from the chaff.
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. . . it seems to me certain that more people are killed out of righteous stupidity than out of wickedness.
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We know a great deal, but our ignorance is sobering and boundless. With each step forward, with each problem which we solve, we not only discover new and unsolved problems, but we also discover that where we believed that we were standing on firm and safe ground, all things are, in truth, insecure and in a state of flux.
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Science may be described as the art of systematic over-simplification.
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A theory that explains everything, explains nothing
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It is wrong to think that belief in freedom always leads to victory we must always be prepared for it to lead to defeat. If we choose freedom, then we must be prepared to perish along with it.
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It is a myth that the success of science in our time is mainly due to the huge amounts of money that have been spent on big machines. What really makes science grow is new ideas, including false ideas.
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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.
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Some scientists find, or so it seems, that they get their best ideas when smoking others by drinking coffee or whisky. Thus there is no reason why I should not admit that some may get their ideas by observing, or by repeating observations.
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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.
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Science must begin with myths, and with the criticism of myths.
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There is no history, only histories.
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