The Paradox of Tolerance was penned in a work started in 1938 after the Nazis invaded Austria, and finished it in 1943. And it was written by Karl Popper who wa

The Paradox of Tolerance was penned in a work started in 1938 after the Nazis invaded Austria, and finished it in 1943. And it was written by Karl Popper who was of Jewish ancestry. This should get the setting (though not yet the context) to this, his entire quote: "Less well known is the paradox of tolerance: unlimited tolerance must lead to the disappearance of tolerance. If we extend unlimited tolerance even to those who are intolerant, if we are not prepared to defend a tolerant society against the onslaught of the intolerant, then the tolerant will be destroyed, and tolerance with them.—In this formulation, I do not imply, for instance, that we should always suppress the utterance of intolerant philosophies; as long as we can counter them by rational argument and keep them in check by public opinion, suppression would certainly be most unwise. But we should claim the right to suppress them if necessary even by force; for it may easily turn out that they are not prepared to meet us on the level of rational argument, but begin by denouncing all argument, because it is deceptive, and teach them to answer arguments by the use of their fists or pistols. We should therefore claim, in the name of tolerance, the right to not tolerate the intolerant. We should claim that any movement preaching intolerance places itself outside the law, and we should consider incitement to intolerance and persecution as criminal, in the same way as we should consider incitement to murder, or to kidnapping, or to the revival of the slave trade, as criminal." His words have been brutally twisted in contemporary times in part because many of the words connotations have changed over time. In particular Popper defined an open society as one "in which individuals are confronted with personal decisions" as opposed to a "magical or tribal or collectivist society." In an open society individuals debate and discuss among one another remaining critical, yet tolerant, of one another's views. In a closed society one believes what they're supposed to believe or what their collective believes. And running afoul of the collective is met with ostracism or other form of punishment. And this is exactly what his quote is hitting on. It is speaking of philosophies that are intolerant of other philosophies. And where instead of meeting words with words, words may be met with violence. It is these sort of philosophies for which Popped espoused society has an obligation to remain intolerant for they end up becoming mutually exclusive to any other philosophy and trending towards violence and authoritarianism. His words were not suggesting intolerance of anything except [insert political view]. Quite the opposite - they were suggesting intolerance of any view which starts to place itself about debate and skepticism; especially to those views which trend towards responding to such skepticism or debate with violence.