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Karl Popper

Quote of Karl Popper - If you can't say it simply...


Biography - Karl Popper:

Austrian and British philosopher and professor.
Born: 1902 - Died: 1994
Period:
20th century
Place of birth: Austria
Austria

If you can't say it simply and clearly, keep quiet, and keep working on it till you can.



Translation

Translation

(German, French)



German
Wer’s nicht einfach und klar sagen kann, der soll schweigen und weiterarbeiten, bis er’s klar sagen kann.

French
Qui ne peut s'exprimer clairement et simplement doit se taire et continuer à travailler jusqu'à ce qu'il puisse parler clairement.




See also 

See also...



What can be said at all can be said clearly, and what we cannot talk about we must pass over in silence.

If you make yourself understood, you're always speaking well.




Quotes for: clarity


Quotes

Quotes about clarity:


Clarity is the good faith of philosophers.





Lucidity adds beauty to profound thoughts.





Clarity is the politeness of the man of letters.





For it must not be supposed that merely because the justness of an idea has been proved it can be productive of effective action even on cultivated minds. This fact may be quickly appreciated by noting how slight is the influence of the clearest demonstration on the majority of men.





Truth and clarity are complementary.





Your vision will become clear only when you can look into your own heart. Who looks outside, dreams who looks inside, awakes.











Quotes

Karl Popper also said...


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.





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





Whenever a theory appears to you as the only possible one, take this as a sign that you have neither understood the theory nor the problem which it was intended to solve.





The history of science, like the history of all human ideas, is a history of irresponsible dreams, of obstinacy, and of error. But science is one of the very few human activities—perhaps the only one — in which errors are systematically criticized and fairly often, in time, corrected. This is why we can say that, in science, we often learn from our mistakes, and why we can speak clearly and sensibly about making progress there.





No rational argument will have a rational effect on a man who does not want to adopt a rational attitude.





We must plan for freedom, and not only for security, if for no other reason than that only freedom can make security secure.












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