Karl Popper Quotes

Good tests kill flawed theories; we remain alive to guess again.

It is impossible to speak in such a way that you cannot be misunderstood.

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

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

Science may be described as the art of systematic over-simplification.

Those who promise us paradise on earth never produced anything but a hell.