In 1945, philosopher Karl Popper articulated a paradox concerning tolerance, cautioning that unrestricted acceptance of intolerant behavior can ultimately lead to the downfall of tolerance itself. Popper argued that if a society extends unlimited tolerance even to those who are intolerant, the tolerant majority risks being destroyed along with the very principle of tolerance. This perspective highlights the potential consequences of unchecked acceptance of intolerant ideologies and has been cited in ongoing discussions about the balance between openness and safeguarding democratic values.