The paradox of tolerance. Karl Popper and the extinction of the… | by Nate Sowder | Oct, 2025

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Philosopher Karl Popper sitting outdoors at a table, wearing a short-sleeved white shirt, writing in a notebook with a pen. A cup and small recorder rest nearby, and the background shows a garden with chairs, potted flowers, and sunlight.
Philosopher Karl Popper

The moral armor of tolerance

Popper saw tolerance as a civic safeguard. That means a system designed to protect disagreement so reason could do its work. But somewhere along the line, tolerance stopped being a discipline.

Let’s look at where things are today. The people most likely to describe themselves as “tolerant” often carry the firmest moral boundaries. Their openness ends right where their convictions begin. They don’t enter conversations to be open or change. Instead, they enter to show that they don’t need to be.

You can hear it in how people with conviction build their case. They take a broad topic and zoom in until only a small part is emphasized. That part becomes the whole argument, which to them, feels very clear. That’s why conviction feels like clarity. It’s not a wide view, it’s actually very narrow.

This is how those exchanges feel when they unfold.

  • Questions feel phrased like traps.
  • Answers are scored like confessionals.
  • Statement are weighed for moral correctness before they’re considered for meaning.
  • There is little desire to ‘abstract’ or take a broader view of a topic.

That’s how tolerance turns into ‘armor’. It wears the language of inclusion but moves like a defense strategy. It’s not there to protect dialogue (or friendship… or relationships) it’s there to protect the person’s identity.

True openness means arriving without a verdict. If your moral identity enters the room first, your curiosity never makes it through the da*n door.

The consequence

Conviction is exhausting. It‘s angry.

I get it. People are passionate, they’re frustrated and feel unheard. And they’re right… a lot of people don’t want to talk to them any more.

But look, I usually don’t disagree with what’s being said, so it’s not because they’re wrong, it’s because every conversation is abrasive.

That’s what conviction does. It makes conversation feel like a sentencing.

Rational people disappear because that’s something they don’t want to deal with. To them, it’s about progress, not persuasion… and that’s a distinction that never seems to register.

They’re watching the same movie… they just notice different things. For them, it’s more about trying to understand how the scene fits into the plot.

Reasoning is endurance. They‘re happy to be in the room… they just don’t need to win it.

My reflection

We can each decide what kind of openness we want to practice… the decorative kind that performs virtue while closing their ears (la-la-la), or the difficult kind that listens without any sort of defense.

I’ve enjoyed reading about Popper. His stuff was meant to keep societies thinkable, which applies to every system we build.

The biggest lesson? Reason isn’t polite — but it’s generous.

If reason feels endangered, it’s because too many of us confuse certainty with strength… and mistake agreement for some sort of progress.

An open society (and an open mind) only survive the same way: by staying corrigible (Which means being open to being corrected).

That’s not a weakness.
That’s design, baby.

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