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 History
Our knowledge can only be finite, while our ignorance must necessarily be infinite. -Karl Popper Knowledge
No rational argument will have a rational effect on a man who does not want to adopt a rational attitude. -Karl Popper Attitude
Piecemeal social engineering resembles physical engineering in regarding the ends as beyond the province of technology. -Karl Popper Technology
We must plan for freedom, and not only for security, if for no other reason than that only freedom can make security secure. -Karl Popper Freedom
