シャドーイング練習: This Simple Tool Will Improve Your Critical Thinking - 動画で英語スピーキングを学ぶ
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Sean's grandfather had passed away just two days earlier.
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Though they weren't especially close, it was still very affecting for Sean.
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His grandfather, who was a military veteran, was a highly regimented and disciplined individual.
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This was quite a contrast against Sean's personality, as someone who prioritized fun, casualness, and going with the flow.
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Most of their conversations together carried some undertone of his grandfather attempting to urge him toward greater self -control and discipline.
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This made it all the more unsettling when, just after midnight, The shaker bottle Sean used for his post -workout drinks fell off the top of his fridge
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and crashed under the floor, seemingly by itself and out of nowhere.
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He could barely sleep the rest of the night.
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The next day, when he met up with his girlfriend Marie, He of course told her about the incident, the first chance he got.
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"I'm telling you that was my grandfather," Sean said, sitting across from Marie at a small table just outside of a cafe.
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I think it was his weird way of reminding me to focus on my health, to go back to the gym.
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He would literally always say that.
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Isn't that crazy?
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Marie thought to herself for a moment.
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She didn't want to dismiss Sean's theory outright.
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but she was a hardened materialist, and was far from convinced.
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Her and Shawn's relationship was still somewhat new, and so… Marie felt like this was perhaps a good opportunity to see
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if and where she and Sean aligned in their world views.
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and to test out the malleability of their conversations.
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Marie reached across the table and held Sean's hand.
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"Yeah, that's super weird." So unsettling.
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She said.
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There was a short moment of silence before she continued.
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"But don't you think maybe there's a simpler explanation?
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Maybe the bottle was already sort of on the edge of the fridge, and as you opened and closed the door more over time, it just sort of slid to a spot where it would likely fall, with just the slightest movement or draft.
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Just a really weird coincidence." This moment embodied something profound about not only Sean and Marie's dynamic, but also about beliefs and disagreements more broadly.
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Inside nearly every explanation and every disagreement between explanations, are the mechanisms and principles through which individuals decide what they believe is true.
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How we navigate between and around perception, meaning, and evidence.
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And Sean and Marie were, for the first time, revealing their mechanisms and principles to each other.
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Regardless of whether Marie realized it or not, here, she was using what is known as a philosophical razor.
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a rule or principle for determining the explanations for things by cutting away all the less likely ones.
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Specifically, she was using what is known as "Ockham's Razor,"
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which suggests that the simplest explanation for something that requires the fewest assumptions is most likely to be the correct one.
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This principle has long been used in science and philosophy as a way of cutting through confusion and complexity.
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Though of course, the simplest explanations aren't always the true ones, They just tend to be more likely.
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The more assumptions or premises an argument requires, the more complex the alignment of factors must be, and the less likely it will be true compared to simpler alternatives.
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For Marie and Sean, the argument that the bottle falling was due to gravity and natural, explainable movement is far simpler and requires far fewer assumptions than a supernatural event.
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I've had that bottle up there forever," Sean said.
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"It's never fallen.
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Nothing's fallen.
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Then, two days after my grandfather dies, that specific thing falls?" Come on.
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That's a little too much of a coincidence for me.
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I know this stuff can seem crazy to people who have never experienced it, but I'm telling you it's real.
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Hmm.
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Marie uttered.
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I've just never experienced anything like that.
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supernatural, in my whole life.
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Why would I never experience anything like that?" she asked earnestly.
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I don't know, not everybody does I guess.
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But I think if you accept it as a possibility, you start to notice instances of it.
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But how would someone accept it without ever having evidence of it?
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Personally, I think for a claim that big, that there are supernatural entities and phenomena interacting with the physical world,
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there would need to be super clear evidence All I've ever encountered are other people's personal anecdotes, and maybe some ambiguous, very questionable videos online.
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Here, Marie pulled out another razor, this one referred to as the Sagan Standard, popularized by astronomer Carl Sagan.
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It states that "extraordinary claims require extraordinary evidence." In other words, to make large claims about what is true, particularly when the claims undermine expectations,
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norms, perceptions, or scientific understanding, then the evidence for the claims must be proportionally large.
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Like with how Marie is applying it, it's not meant to discount extraordinary possibilities for a claims burden of proof.
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If Sean is going to suggest something otherworldly happened, his evidence, at least for Marie, must rise to meet the implications of that claim.
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But how can you just dismiss people's experiences?
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Isn't that evidence in and of itself?
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"Sean said, 'I'm telling you, this was beyond explanation.' We have no way of proving it wasn't something supernatural, right?" he continued.
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"Yeah, you're right." Marie responded sincerely.
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"But doesn't that also mean you have no way of proving it was?
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If you could say something is supernatural without evidence, can't I say that it isn't without evidence?" Sean thought to himself for a minute, looking away.
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His argument had just been sliced with another racer, this time with Hitchens' racer, named after popular British author Christopher Hitchens.
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It suggests that what can be asserted without evidence can also be dismissed without evidence.
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As Marie alluded to, the burden of proof always rests on those who make the claim, and without that burden being met, a productive discussion becomes very unlikely.
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But isn't the absurdity of the event evidence of something supernatural?
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Shawn finally said.
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I think absurdity is evidence of expectations being undermined, but not necessarily what they are being undermined by.
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I totally get why you might add greater significance to it though.
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And I'm not saying other explanations are impossible, I'm just saying less likely I guess.
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So if your cup just started floating right now and then flew across the street, what would you say?
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Sean said matter -of -factly.
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I would say something very weird happened.
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but I would need to be able to know and test all the variables to say why.
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And what if you couldn't?
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What if nothing was testable or knowable?
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then I guess I wouldn't claim I knew it happened.
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Marie said.
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Hmm.
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Sean murmured with a little concession in his tone.
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I suppose this stuff could be debated then, but just not settled.
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He continued.
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"Is it really worth debating then?" Marie responded.
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Here, Marie used one final razor to shave the entire discussion down to scraps: Alder's razor.
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Popularized by mathematician Mike Alder which says that, what cannot be settled by experiment or observation is not worth debating.
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Though this is a powerful way of narrowing in on only what can be practically engaged with, like in the case of Marie here, it can also risk taking everything down with it.
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Because of course, so much of reality cannot be settled by clear experiment or observation.
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And in the words of Alder himself, referring to his own razor, "While the insistence on ensuring that any statement is testable by observation undoubtedly cuts out the crap,
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it also seems to cut out almost everything else as well." "Maybe not for the purposes of truth, but for wonder and the openness to possibility?
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I think it is worth debating," Sean concluded.
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Marie thought to herself for a moment.
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Then she smiled.
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I agree with that actually.
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She said.
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"Good," Sean said smiling back.
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The two lifted and clinked their coffee cups together.
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Here, Marie and Sean, together, pointed at something perhaps more important than the dynamics and methods of argumentation.
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That is, how and why we might argue to begin with, what arguments are worth having, how we might go about them successfully, and what the ultimate goals of an argument are, or should likely be.
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Fundamentally, an argument arises when two or more parties hold and express conflicting beliefs about a phenomenon.
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Being a species that sees reality through the tiny pinhole of its consciousness, whose view is significantly skewed by time, place, culture, and personal psychology,
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it is only natural that people often see, feel, and believe different things.
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Moreover, our sense of identity is largely built on these experiences and beliefs, so any challenge to them can feel like a challenge against us.
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It hurts to be wrong in general, but it is unbearable when it is about something we've built our identity, life, or worldview around.
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In these moments, it is revealed to us just how fallible, ignorant, and brittle we are: that part or all of our source of meaning or truth,
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which we have used as an anchor against the currents of futility, is weak or touching nothing.
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As a result, for many of us, we don't see arguments as opportunities for new understandings or more optimal outcomes.
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Instead, We often see them as opportunities to reaffirm ourselves, and feel the pride of ownership over some material of reality.
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regardless of the material's use or validity.
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But of course, the irony is, in arguing chiefly to win, and in holding so tightly onto our belief anchors,
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We only work to perpetuate the depth of our ignorance and our susceptibility to being wrong.
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We remain stuck in place as the world flows by us.
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This is why it is so crucial to learn how to argue well.
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Not to always win, but to always be improving how we think and see the world.
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to maintain greater openness to possibility and the adoption of new, better ideas.
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To paraphrase world champion debater, Beauceau: "Intelligence is knowing how to win an argument.
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Wisdom is knowing whether an argument is worth engaging in,
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which parts, if any, and why." In a world that is increasingly fragmented by technology and algorithms,
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where information abounds but shared truths have seemingly been eroded by the overflow, There's no shortage of things to argue over.
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Everything has always been up for debate.
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But now, there is so much more of everything.
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More optimally dealing with this condition of the world does not involve winning more arguments, but participating in them more selectively and thoughtfully.
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So suggests a simple framework for this, called the RISA framework.
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Before engaging in any disagreement, we should ask the following four questions: 1.
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Is it real?
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That is, is the disagreement based off of a genuine divergence or is it a simple misunderstanding? Is it important?
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Does the subject warrant time and effort? and could debate around it produce a meaningful, productive outcome.
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3. Is it specific?
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is the disagreement over something clear and concrete. And 4.
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Are we aligned?
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That is, are all parties aligned on the goal of the argument?
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specifically one that is fair and results in resolution.
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For so, if the answer to any of these questions is no, then the argument is likely best avoided, or at least paused and reframed until those conditions can be met.
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Thank you.
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Though this is a solid framework, of course, things are rarely that simple or clear.
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It so recognizes this.
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He says:
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One of the limitations of the RISA framework that I worry about is
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that it is increasingly difficult to find the right kind of alignment in people's interests for wanting to engage in a disagreement.
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So, if you have two sides that simply want to hurt one another's feelings, that's some kind of alignment, but not the right kind, that leads to productive conversations.
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Moreover, Our goals can often be hidden.
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from others and even ourselves.
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We might think we want resolution, but what we really want deep down is to hear our own voice be the loudest.
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And more broadly, who defines what is important, real, or productive?
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Are those not also up for debate?
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What framework might we use for debating the meta layers of frameworks themselves?
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Needless to say, no matter what we do, we have and will continue to find ourselves in disagreements of all kinds.
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Big and small, serious and trivial, worthy and irrelevant between friends, family, groups, communities, cultures, and nations.
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Frameworks like RISA are useful for determining what arguments are worth getting into,
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and philosophical razors are powerful tools to help parse which ideas and explanations are worth taking seriously within an argument.
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But perhaps more important than any framework or tool are the sensibilities and attitudes we carry in and out of arguments.
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Ultimately, so much of the world, of selfhood, of existence, cannot be explained, tested, or known.
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At least not yet, by us.
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And so much of what can be tested and seemingly known
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can and often does change or reveal itself to be wrong or incomplete.
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whether through the flux of reality or the improvement of our ability to interface with reality.
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And so, we will win more arguments and debates not by having the last word, or by walking away with the prize of an opponent's concession.
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but by recognizing and embracing perhaps the only knowable consistent truth.
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We almost never know what we are talking about.
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But just as Sean and Marie ultimately realized, This matters far less.
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than the fact that we are talking.
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that together we are continuing to wonder and question and explore that we are expressing and listening
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that we are knowing and not knowing, that we are trying and improving.
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you More than winning for the sake of winning,
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the true prize of the game of debate is becoming better and more capable in our thinking, carving away our errors or unawareness.
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Considering things through this game -like perspective is perhaps the most effective way to improve in just about any area of life.
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And of course, as always, thank you so much for watching in general, and see you next video.
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このレッスンで学ぶこと
YouTubeで英語学習をする際、会話の中に隠れた論理的思考のヒントを見つけることができます。このビデオでは、ショーンとマリーの対話を通じて、「オッカムの剃刀」という哲学的原則が説明されています。英語スピーキング練習の際には、会話の流れや論点を追いながら、自然な発音とイントネーションを身につけることが重要です。
重要な語彙とフレーズ
- regimented：規則正しい、厳格な
- undertone：暗示、裏打ち
- materialist：唯物論者
- philosophical razor：哲学的剃刀（不要な仮定を削る原則）
- coincidence：偶然、一致
shadow speakの練習コツ
shadowspeaksやshadow speakの技法を使う際は、ビデオのスピードに合わせて発音を真似ることがポイントです。この会話は日常的なトーンで進行しているので、ショーンの不安やマリーの冷静な語り口の違いを聞き分けながら、リズムを捉えましょう。最初はゆっくりと再生し、文節ごとに繰り返し練習し、徐々に本番のスピードに近づけます。特に「But don't you think maybe there's a simpler explanation?」のような長い文は、息継ぎのタイミングを覚えて自然に話せるようにしましょう。YouTubeで英語学習をする際は、このような実践的な会話を使って、スピーキングの流畅さを鍛えることができます。
この動画の文法
話し手がよく使っている文型を、動画の実際の表現とともに紹介します。
| 文型 | 動画での表現 |
|---|---|
| 受動態 be + 過去分詞 — 誰がするかより、何が起きるかに焦点を当てる | is sponsored · is known · been sliced |
| 現在完了形 have/has + 過去分詞 — 過去の出来事が今も関係している | have never experienced · I've just never experienced · I've ever encountered |
| 関係詞節 who / which + 節 — 人や物について情報を加える | someone who prioritized · people who have · those who make |
シャドーイングとは？英語上達に効果的な理由
シャドーイング（Shadowing）は、もともとプロの通訳者養成プログラムで開発された言語学習法で、多言語習得者として知られるDr. Alexander Arguelles によって広く普及されました。方法はシンプルですが非常に効果的：ネイティブスピーカーの英語を聞きながら、1〜2秒の遅延で声に出してすぐに繰り返す——まるで「影（shadow）」のように話者を追いかけます。文法ドリルや受動的なリスニングと異なり、シャドーイングは脳と口の筋肉が同時にリアルタイムで英語を処理・再現することを強制します。研究により、発音精度、抑揚、リズム、連音、リスニング力、そして会話の流暢さが大幅に向上することが確認されています。IELTSスピーキング対策や自然な英語コミュニケーションを目指す方に特におすすめです。