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Karl Popper: 2 ideas worth knowing

2 ideas from Karl Popper, each explained in a minute and credited to the original work. Free on Savvy.

• A tolerant society that tolerates everything will destroy itself

  Karl Popper argued that if a society extends unlimited tolerance even to those actively working to destroy tolerance, the intolerant will eventually exploit that openness to seize …

  — Karl Popper, The Open Society and Its Enemies

• Karl Popper said a theory that can explain everything actually explains nothing

  Popper noticed that theories like Freudian psychoanalysis seemed to fit every possible human behavior, and decided that was their weakness, not their strength: a claim that no obse…

  — Karl Popper, The Logic of Scientific Discovery

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