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no matter how many instances of white swans we may have observed, this does not justify the conclusion that all swans are white.

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
May
Swans
Matter
Instances
Many
Observed
Justify
Conclusion
Instance
White
Doe

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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
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Every genuine test of a theory is an attempt to falsify it, or to refute it.
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The use of violence is justified only under a tyranny which makes reforms without violence impossible, and should have only one aim, that is, to bring about a state of affairs which makes reforms without violence possible.
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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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The more we learn about the world, and the deeper our learning, the more conscious, specific, and articulate will be our knowledge of what we do not know, our knowledge of our ignorance
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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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What really makes science grow is new ideas, including false ideas.
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The future is always present, as a promise, a lure and a temptation.
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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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If you know that things are bound to happen whatever you do, then you may feel free to give up the fight against them.
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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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[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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