More quotes by Karl Popper

"No book can ever be finished. While working on it we learn just enough to find it immature the moment we turn away from it"
"No book can ever be finished. While working on it we learn just enough to find it immature the moment we turn away from it"
"Whenever a theory appears to you as the only possible one, take this as a sign that you have neither understood the theory nor the problem which it was intended to solve."
"Whenever a theory appears to you as the only possible one, take this as a sign that you have neither understood the theory nor the problem which it was intended to solve."
"No rational argument will have a rational effect on a man who does not want to adopt a rational attitude."