It is part of my thesis that all our knowledge grows only through the correcting of our mistakes.
Karl PopperGenuine philosophical problems are always rooted outside philosophy and they die if these roots decay.
Karl PopperPiecemeal social engineering resembles physical engineering in regarding the ends as beyond the province of technology.
Karl PopperAlmost everyone... seems to be quite sure that the differences between the methodologies of history and of the natural sciences are vast. For, we are assured, it is well known that in the natural sciences we start from observation and proceed by induction to theory. And is it not obvious that in history we proceed very differently? Yes, I agree that we proceed very differently. But we do so in the natural sciences as well.
Karl Popper