The validity of usefulness, adequacy of popular standards can be tested only by research that violates them.
Paul FeyerabendNot only are facts and theories in constant disharmony, they are never as neatly separated as everyone makes them out to be.
Paul FeyerabendThe church at the time was much more faithful to reason than Galileo himself, and also took into consideration the ethical and social consequences of Galileo's doctrine. Its verdict against Galileo was rational and just.
Paul FeyerabendNo theory ever agrees with all the facts in its domain, yet it is not always the theory that is to blame. Facts are constituted by older ideologies, and a clash between facts and theories may be proof of progress. It is also a first step in our attempt to find the principles implicit in familiar observational notions.
Paul Feyerabend