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Karl Popper Quotes

All things living are in search of a better world Picture Quote #1

A theory is just a mathematical model to describe the observations Picture Quote #1

The attempt to make heaven on earth invariably produces hell Picture Quote #1

All life is problem solving Picture Quote #1

The growth of knowledge depends entirely upon disagreement Picture Quote #1

Definitions... are never really needed, and rarely of any use Picture Quote #1

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We never know what we are talking about Picture Quote #1

Every solution of a problem raises new unsolved problems Picture Quote #1

Philosophers should consider the fact that the greatest happiness principle can easily be made an excuse for a benevolent dictatorship. We should replace it by a more modest and more realistic principle - the principle that the fight against avoidable misery should be a recognized aim of public policy, while the increase of happiness should be left, in the main, to private initiative Picture Quote #1

We do not know. We can only guess Picture Quote #1

I have learned more from Hayek than from any other living thinker, except perhaps Alfred Tarski - but not even excepting Russell Picture Quote #1

I have spoken to Einstein and he admitted to me that his theory was in fact no different from the one of Parmenides Picture Quote #1

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[To] interpret Parmenides as a Kant before Kant ... this is exactly what we must do Picture Quote #1

A theory that explains everything, explains nothing Picture Quote #1

All we can do is search for the falsity content in our best theory Picture Quote #1

There is no history, only histories Picture Quote #1

The future is always present, as a promise, a lure and a temptation Picture Quote #1

Science may be described as the art of systematic over-simplification Picture Quote #1

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A rationalist is simply someone for whom it is more important to learn than to be proved right; someone who is willing to learn from others - not by simply taking over another’s opinions, but by gladly allowing others to criticize his ideas and by gladly criticizing the ideas of others Picture Quote #1

I personally call the type of government which can be removed without violence ‘democracy,’ and the other, ‘tyranny.’ Picture Quote #1

[Great scientists] are men of bold ideas, but highly critical of their own ideas: they try to find whether their ideas are right by trying first to find whether they are not perhaps wrong. They work with bold conjectures and severe attempts at refuting their own conjectures Picture Quote #1

Propose theories which can be criticized. Think about possible decisive falsifying experiments-crucial experiments. But do not give up your theories too easily-not, at any rate, before you have critically examined your criticism Picture Quote #1

I have come to the conclusion that Darwinism is not a testable scientific theory, but a metaphysical research programme Picture Quote #1

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 Picture Quote #1

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It is wrong to ask who will rule. The ability to vote a bad government out of office is enough. That is democracy Picture Quote #1

Contrary to the outstanding work of art, outstanding theory is susceptible to improvements Picture Quote #1

The history of science is everywhere speculative. It is a marvelous hiatory. It makes you proud to be a human being Picture Quote #1

The conspiracy theory of society... comes from abandoning God and then asking: Who is in his place Picture Quote #1

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 is not really testable science Picture Quote #1

Reason like science, grows by way of mutual criticism; the only possible way of planning its growth is to develop those institutions that safeguard. the freedom of thought Picture Quote #1

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Text Quotes

All things living are in search of a better world . (Karl Popper Quotes) A theory is just a mathematical model to describe the observations (Karl Popper Quotes) The attempt to make heaven on earth invariably produces hell (Karl Popper Quotes) All life is problem solving (Karl Popper Quotes) The growth of knowledge depends entirely upon disagreement (Karl Popper Quotes) Definitions... are never really needed, and rarely of any use (Karl Popper Quotes) We never know what we are talking about (Karl Popper Quotes) Every solution of a problem raises new unsolved problems (Karl Popper Quotes) Philosophers should consider the fact that the greatest happiness principle can easily be made an excuse for a benevolent dictatorship. We should replace it by a more modest and more realistic principle - the principle that the fight against avoidable misery should be a recognized aim of public policy, while the increase of happiness should be left, in the main, to private initiative (Karl Popper Quotes) We do not know. We can only guess (Karl Popper Quotes) I have learned more from Hayek than from any other living thinker, except perhaps Alfred Tarski - but not even excepting Russell (Karl Popper Quotes) 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 Quotes) [To] interpret Parmenides as a Kant before Kant ... this is exactly what we must do (Karl Popper Quotes) A theory that explains everything, explains nothing (Karl Popper Quotes) All we can do is search for the falsity content in our best theory (Karl Popper Quotes) There is no history, only histories (Karl Popper Quotes) The future is always present, as a promise, a lure and a temptation (Karl Popper Quotes) Science may be described as the art of systematic over-simplification (Karl Popper Quotes) A rationalist is simply someone for whom it is more important to learn than to be proved right; someone who is willing to learn from others - not by simply taking over another’s opinions, but by gladly allowing others to criticize his ideas and by gladly criticizing the ideas of others (Karl Popper Quotes) I personally call the type of government which can be removed without violence ‘democracy,’ and the other, ‘tyranny.’ (Karl Popper Quotes) [Great scientists] are men of bold ideas, but highly critical of their own ideas: they try to find whether their ideas are right by trying first to find whether they are not perhaps wrong. They work with bold conjectures and severe attempts at refuting their own conjectures (Karl Popper Quotes) Propose theories which can be criticized. Think about possible decisive falsifying experiments-crucial experiments. But do not give up your theories too easily-not, at any rate, before you have critically examined your criticism (Karl Popper Quotes) I have come to the conclusion that Darwinism is not a testable scientific theory, but a metaphysical research programme (Karl Popper Quotes) 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 Quotes) It is wrong to ask who will rule. The ability to vote a bad government out of office is enough. That is democracy. (Karl Popper Quotes) Contrary to the outstanding work of art, outstanding theory is susceptible to improvements (Karl Popper Quotes) The history of science is everywhere speculative. It is a marvelous hiatory. It makes you proud to be a human being. (Karl Popper Quotes) The conspiracy theory of society... comes from abandoning God and then asking: Who is in his place (Karl Popper Quotes) 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 is not really testable science. (Karl Popper Quotes) Reason like science, grows by way of mutual criticism; the only possible way of planning its growth is to develop those institutions that safeguard. the freedom of thought (Karl Popper Quotes)

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