We should realize that, if [Socrates] demanded that the wisest men should rule, he clearly stressed that he did not mean the learned men; in fact, he was skeptical of all professional learnedness, whether it was that of the philosophers or of the learned men of his own generation, the Sophists. The wisdom he meant was of a different kind. It was simply the realization: how little do I know! Those who did not know this, he taught, knew nothing at all. This is the true scientific spirit.
Karl PopperThe only way to test a hypothesis is to look for all the information that disagrees with it.
Karl PopperNo rational argument will have a rational effect on a man who does not want to adopt a rational attitude.
Karl PopperCriticism of my alleged views was widespread and highly successful. I have yet to meet a criticism of my views.
Karl Popper