The Paradox Of Tolerance

https://en.wikipedia.org/wiki/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. [...] We should therefore claim, in the name of tolerance, the right not to tolerate the intolerant.”
― Karl R. Popper, The Open Society and Its Enemies - Volume One: The Spell of Plato