7 Quotes By Karl Popper

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

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 on freedom

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

Science may be described as the art of systematic over-simplification.
Karl Popper on science

Science must begin with myths, and with the criticism of myths.
Karl Popper on science

Piecemeal social engineering resembles physical engineering in regarding the ends as beyond the province of technology.
Karl Popper on technology

We may become the makers of our fate when we have ceased to pose as its prophets.
Karl Popper on destiny