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How to have good arguments with world debate champion Bo Seo | ReThinking with Adam Grant

Growing up, Bo Seo avoided arguments at all costs–until he discovered competitive debate. He went on to win the world debate championship twice and coach the Australian national team as well as the Debating Union at Harvard. Adam and Bo discuss the value of good arguments, how key debate skills pushes us to sharpen our thinking, and how we can get better at disagreeing. Bo’s new book “Good Arguments: How Debate Teaches Us to Listen and Be Heard,” is out now. This episode first aired on The Next Big Idea podcast. You can listen to The Next Big Idea wherever you’re listening to this. The TED Audio Collective is a collection of podcasts for the curious. The TED Audio Collective videos may be used for non-commercial purposes under a Creative Commons License, Attribution–Non Commercial–No Derivatives (or the CC BY – NC – ND 4.0 International) and in accordance with our TED Talks Usage Policy (https://www.ted.com/about/our-organiz...). For more information on using TED for commercial purposes (e.g. employee learning, in a film or online course), please submit a Media Request at https://media-requests.ted.com.

Adam GranthostBo Seoguest
Dec 29, 202245mWatch on YouTube ↗

At a glance

WHAT IT’S REALLY ABOUT

World debate champion shares tools for better, kinder arguments daily

  1. Bo Seo explains that effective debate is not just critique: you must argue for an alternative, because audiences (and opponents) look for reasons to support something, not only reasons to reject.
  2. Seo offers a practical argument-building framework—answering what, why, when, and who cares—to make reasoning legible and persuasive to others.
  3. They discuss rebuttal as an ego-threatening “loss,” arguing that faithful listening plus offering a more attractive alternative reduces defensiveness and increases receptivity.
  4. A “good argument,” Seo concludes, is one both sides would willingly do again, shifting conflict from adversarial posturing to collaborative problem-solving.
  5. They argue that schools and families should treat arguing as an existing child instinct to cultivate, while protecting “private” spaces for experimentation amid social-media-driven identity branding.

IDEAS WORTH REMEMBERING

5 ideas

Critique without a proposal is still a proposal—usually for the status quo.

Seo notes that debaters (and everyday arguers) can hide in dismantling others’ ideas; forcing yourself to state what you’re for prevents endless negativity and makes your stance accountable.

Strong arguments prove both truth and importance.

It’s not enough to show a claim is accurate; you must show why it should change priorities or behavior, otherwise the listener can agree intellectually and still do nothing.

Use the “four Ws” to make your thinking easy to follow.

State what you’re claiming, why it’s true, when it has happened (examples), and who cares (stakes); this makes reasoning visible and anticipates audience objections.

Rebuttal works better when you respect the ‘loss’ you’re inflicting.

Destroying someone’s argument can feel like taking away part of their identity or direction; soften the blow by listening accurately and offering a viable alternative path forward.

Faithful listening is a strategic advantage, not just a virtue.

Debate trains people to capture the other side’s point nearly verbatim so the opponent can’t dismiss the response as irrelevant—reducing the common escape hatch of “you didn’t address me.”

WORDS WORTH SAVING

5 quotes

And so I think debaters can become a little comfortable in that posture of critique, but it does catch up to them because you're always arguing for something, whether you recognize it or not.

Bo Seo

So the big step, I think, is in recognizing an argument is not just an expression of what you think. There's a craft to it, and that craft involves, in the end, being responsive to the questions the other side is likely to have for you.

Bo Seo

And the way I would surmise it is the cost of these self-betrayals of a reduced relationship with others is a smaller life.

Bo Seo

And ultimately, what I settled on is a good argument is one in which both sides walk away feeling like they would do that again. Because that's all that's required for the conversation to continue.

Bo Seo

There is a strain of optimism behind people's choices to disagree. Because the other option is for me to silently think, "You're an idiot," and I have, I don't have anything to do with you.

Bo Seo

Debate vs destructiveness and pure critiqueMaking reasoning legible (vulnerability and clarity)The four Ws framework for argumentsRebuttal: listening, targeting, and offering alternativesLoss, ego, and decoupling ideas from identityBullying tactics and setting ground rulesTeaching argument skills: clubs, classrooms, and private play spaces

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