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No book can ever be finished. While working on it we learn just enough to find it immature the moment we turn away from it

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
Enough
Moment
Learn
Inspirational
Immature
Away
Finished
Moments
Students
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Turn
Ever
Working
Book
Turns

More quotes by 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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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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The best thing that can happen to a human being us to find a problem, to fall in love with that problem, and to live trying to solve that problem, unless another problem even more lovable appears.
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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
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There is no pure, disinterested, theory-free observation.
Karl Popper
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Good tests kill flawed theories we remain alive to guess again.
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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 question is not how to get good people to rule THE QUESTION IS: HOW TO STOP THE POWERFUL from doing as much damage as they can to us.
Karl Popper
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The war of ideas is a Greek invention. It is one of the most important inventions ever made. Indeed, the possibility of fighting with with words and ideas instead of fighting with swords is the very basis of our civilization, and especially of all its legal and parliamentary institutions.
Karl Popper
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Whenever we propose a solution to a problem, we ought to try as hard as we can to overthrow our solution, rather than defend it.
Karl Popper
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The influence (for good or ill) of Plato's work is immeasurable. Western thought, one might say, has been Platonic or anti-Platonic, but hardly ever non-Platonic.
Karl Popper
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A theory that explains everything, explains nothing
Karl Popper
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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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We do not know. We can only guess.
Karl Popper
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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.
Karl Popper
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A theory is just a mathematical model to describe the observations.
Karl Popper
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Those who promise us paradise on earth never produced anything but a hell.
Karl Popper
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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 the falsifiability of a system is to be taken as a criterion of demarcation... It must be possible for an empirical or scientific system to be refuted by experience.
Karl Popper
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I have insisted that we must be tolerant. But I also believe that this tolerance has its limits. We must not trust those anti-humanitarian religions which not only preach destruction but act accordingly. For if we tolerate them, then we become ourselves responsible for for their deeds.
Karl Popper
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True ignorance is not the absence of knowledge, but the refusal to acquire it.
Karl Popper