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Our knowledge can only be finite, while our ignorance must necessarily be infinite.

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
Ignorant
Necessarily
Infinite
Ignorance
Learning
Knowledge
Science
Must
Finite

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Better our hypotheses die for our errors than ourselves.
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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.
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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.
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The future is always present, as a promise, a lure and a temptation.
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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.
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We do not know. We can only guess.
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We do not choose political freedom because it promises us this or that. We choose it because it makes possible the only dignified form of human coexistence, the only form in which we can be fully responsible for ourselves. Whether we realize its possibilities depends on all kinds of things — and above all on ourselves.
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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 of empirical science constantly renews itself. We may go on forever, proceeding to explanations of a higher and higher universality.
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I may be wrong and you may be right, and by an effort, we may get nearer to the truth
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I see now more clearly than ever before that even our greatest troubles spring from something that is [as] admirable and sound as it is dangerous – from our impatience to better the lot of our fellows.
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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.
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Science may be described as the art of systematic over-simplification.
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There is no history, only histories.
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Good tests kill flawed theories we remain alive to guess again.
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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.
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No particular theory may ever be regarded as absolutely certain.... No scientific theory is sacrosanct.
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Now this principle of induction cannot be a purely logical truth like a tautology or an analytic statement. . . .
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We never know what we are talking about.
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Historically speaking all - or very nearly all - scientific theories originate from myths.
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