This was criticized by advocates of skepticism rationality, like Bertrand Russell in Free Thought and Official Propaganda and Alfred Henry Lloyd with The Will to Doubt. Both argued that one must always adhere to fallibilism, recognizing of all human knowledge that "None of our beliefs are quite true; all have at least a penumbra of vagueness and error," and that the only means of progressing ever-closer to the truth is to never assume certainty, but always examine all sides and try to reach a conclusion objectively.
