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. Karl Popper appearintendproblem Change image and share on social
It is impossible to speak in such a way that you cannot be misunderstood. Karl Popper impossiblemisunderstandspeak Change image and share on social
Good tests kill flawed theories; we remain alive to guess again. Karl Popper aliveflawedgood Change image and share on social
Our knowledge can only be finite, while our ignorance must necessarily be infinite. Karl Popper finiteignoranceinfinite Change image and share on social
There is no history of mankind, there are only many histories of all kinds of aspects of human life. And one of these is the history of political power. This is elevated into the history of the world. Karl Popper aspectelevatehistory Change image and share on social
Science may be described as the art of systematic over-simplification. Karl Popper artsciencesimplification Change image and share on social
We have become makers of our fate when we have ceased to pose as its prophets. Karl Popper ceasefatemaker Change image and share on social
Those who promise us paradise on earth never produced anything but a hell. Karl Popper earthhellparadise Change image and share on social
Piecemeal social engineering resembles physical engineering in regarding the ends as beyond the province of technology. Karl Popper endengineerphysical Change image and share on social
No rational argument will have a rational effect on a man who does not want to adopt a rational attitude. Karl Popper adoptargumentattitude Change image and share on social
