This statement by Sir Karl Popper (Book Preface: In Search of a Better World, 1984) is one of the countless wisdoms he produced during his life. One devoted to understanding how problem solving and the correction of errors are two of the most important human activities for survival and progress. These behaviors are leading on one side to democracy (def., ‘government which can be removed without violence’) and on the other side to scientific progress, in that we remain doubtful about the theories we have, refute them when they turn out wrong, and critically adopt better ones when we conceive them. Continue reading