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The same person who, on his own, wouldn’t ‘hurt a fly’ will not hesitate to set a government building on fire or rob a liquor store when part of an angry mass. The most mild-mannered of us can make the meanest comments as part of an online mob.

Once caught up in the maelstrom, it is extremely difficult to hold back: you see it as your duty to participate. Any act of lynching, ancient or modern, literal or on social media, displays this feature. ‘A murder shared with many others, which is not only safe and permitted, but indeed recommended, is irresistible to the great majority of men,’ writes Elias Canetti in Crowds and Power (1960).

The herd can also give its members a disproportionate sense of personal worth. No matter how empty or miserable their individual existence may otherwise be, belonging to a certain group makes them feel accepted and recognised – even respected. There is no hole in one’s personal life, no matter how big, that one’s intense devotion to one’s tribe cannot fill, no trauma that it does not seem to heal.

to a disoriented soul, they can offer a sense of fulfilment and recognition that neither family nor friends nor profession can supply. A crowd can be therapeutic in the same way in which a highly toxic substance can have curative powers.

Herding, then, engenders a paradoxical form of identity: you are somebody not despite the fact that you’ve melted into the crowd, but because of it

You will not be able to find yourself in the crowd, but that’s the least of your worries: you are now part of something that feels so much grander and nobler than your poor self

Your connection with the life of the herd not only fills an inner vacuum but adds a sense of purpose to your disoriented existence.

The primatologist Frans de Waal, who has studied the social and political behaviour of apes for decades, concludes in his book Mama’s Last Hug (2018) that primates are ‘made to be social’ – and ‘the same applies to us.’ Living in groups is ‘our main survival strategy’

we are all wired for herding. We herd all the time: when we make war as when we make peace, when we celebrate and when we mourn, we herd at work and on vacation. The herd is not out there somewhere, but we carry it within us. The herd is deeply seated in our mind.

As far as the practical conduct of our lives and our survival in the world are concerned, this is not a bad arrangement. Thanks to the herd in our minds, we find it easier to connect with others, to communicate and collaborate with them, and in general to live at ease with one another. Because of our herding behaviour, then, we stand a better chance to survive as members of a group than on our own

The trouble starts when we decide to use our mind against our biology. As when we employ our thinking not pragmatically, to make our existence in the world easier and more comfortable in some respect or another, but contemplatively, to see our situation in its naked condition, from the outside.

In such a situation, if we are to make any progress, we need to pull the herd out of our mind and set it firmly aside, exceedingly difficult as the task may be. This kind of radical thinking can be done only in the absence of the herd’s influence in its many forms: societal pressure, political partisanship, ideological bias, religious indoctrination, media-induced fads and fashions, intellectual mimetism, or any other -isms, for that matter.

a society’s established knowledge is the glue that keeps it together. Indeed, this unique concoction – a combination of pious lies and convenient half-truths, useful prejudices and self-flattering banalities – is what gives that society its specific cultural physiognomy and, ultimately, its sense of identity

By celebrating its established knowledge, that community celebrates itself. Which, for the sociologist Émile Durkheim, is the very definition of religion.

The word for ‘philosophy’ in Korean is 철학, pronounced ch’ŏrhak. It literally means the ‘study of wisdom’ or, perhaps better, ‘how to become wise’, which reflects its more dynamic and proactive implications

At night, in the darkness of the cave, he drank water from a perfectly useful ‘bowl’. But when he could see properly, he found that there was no ‘bowl’ at all, only a disgusting human skull.

Our lives and minds are affected by others (and their actions), as others (and their minds) are affected by our actions. This is particularly true in the Korean application of Confucian and Buddhist ideas.

Wŏnhyo understood that how we think about things shapes their very existence – and in turn our own existence, which is constructed according to our thoughts.

In the Korean tradition of philosophy, human beings are social beings, therefore knowing how to interact with others is an essential part of living a good life – indeed, living well with others is our real contribution to human life

he realised that there isn’t a difference between the ‘bowl’ and the skull: the only difference lies with us and our perceptions. We interpret our lives through a continual stream of thoughts, and so we become what we think, or rather how we think

As our daily lives are shaped by our thoughts, so our experience of this reality is good or bad – depending on our thoughts – which make things ‘appear’ good or bad because, in ‘reality’, things in and of themselves are devoid of their own independent nature

We can take from Wŏnhyo the idea that, if you change the patterns that have become engrained in how you think, you will begin to live differently. To do this, you need to change your mental habits, which is why meditation and mindful awareness can help. And this needs to be practised every day

Wŏnhyo’s most important work is titled Awaken your Mind and Practice (in Korean, Palsim suhaeng-jang). It is an explicit call to younger adherents to put Buddhist ideas into practice, and an indirect warning not to get lost in contemplation or in the study of text

While Wŏnhyo had emphasised the mind and the need to ‘practise’ Buddhism, a later Korean monk, Chinul (1158-1210), spearheaded Sŏn, the meditational tradition in Korea that espoused the idea of ‘sudden enlightenment’ that alerts the mind, accompanied by ‘gradual cultivation’

we still need to practise meditation, for if not we can easily fall into our old ways even if our minds have been awakened

his greatest contribution to Sŏn is Secrets on Cultivating the Mind (Susim kyŏl). This text outlines in detail his teachings on sudden awakening followed by the need for gradual cultivation

hinul’s approach recognises the mind as the ‘essence’ of one’s Buddha nature (contained in the mind, which is inherently good), while continual practice and cultivation aids in refining its ‘function’ – this is the origin of the ‘essence-function’ concept that has since become central to Korean philosophy.

These ideas also influenced the reformed view of Confucianism that became linked with the mind and other metaphysical ideas, finally becoming known as Neo-Confucianism.

During the Chosŏn dynasty (1392-1910), the longest lasting in East Asian history, Neo-Confucianism became integrated into society at all levels through rituals for marriage, funerals and ancestors

Neo-Confucianism recognises that we as individuals exist through plural relationships with responsibilities to others (as a child, brother/sister, lover, husband/wife, parent, teacher/student and so on), an idea nicely captured in 2000 by the French philosopher Jean-Luc Nancy when he described our ‘being’ as ‘singular plural’

Corrupt interpretations of Confucianism by heteronormative men have historically championed these ideas in terms of vertical relationships rather than as a reciprocal set of benevolent social interactions, meaning that women have suffered greatly as a result.

Setting aside these sexist and self-serving interpretations, Confucianism emphasises that society works as an interconnected set of complementary reciprocal relationships that should be beneficial to all parties within a social system

Confucian relationships have the potential to offer us an example of effective citizenship, similar to that outlined by Cicero, where the good of the republic or state is at the centre of being a good citizen

There is a general consensus in Korean philosophy that we have an innate sociability and therefore should have a sense of duty to each other and to practise virtue.

The main virtue of Confucianism is the idea of ‘humanity’, coming from the Chinese character 仁, often left untranslated and written as ren and pronounced in Korean as in.

It is a combination of the character for a human being and the number two. In other words, it signifies what (inter)connects two people, or rather how they should interact in a humane or benevolent manner to each other. This character therefore highlights the link between people while emphasising that the most basic thing that makes us ‘human’ is our interaction with others.

Neo-Confucianism adopted a turn towards a more mind-centred view in the writings of the Korean scholar Yi Hwang, known by his pen name T’oegye (1501-70), who appears on the 1,000-won note. He greatly influenced Neo-Confucianism in Japan through his formidable text, Ten Diagrams on Sage Learning (Sŏnghak sipto), composed in 1568, which was one of the most-reproduced texts of the entire Chosŏn dynasty and represents the synthesis of Neo-Confucian thought in Korea

with commentaries that elucidate the moral principles of Confucianism, related to the cardinal relationships and education. It also embodies T’oegye’s own development of moral psychology through his focus on the mind, and illuminates the importance of teaching and the practice of self-cultivation.

He writes that we ourselves can transform the unrestrained mind and its desires, and achieve sagehood, if we take the arduous, gradual path of self-cultivation centred on the mind.

Confucians had generally accepted the Mencian idea that human nature was embodied in the unaroused state of the mind, before it was shaped by its environment. The mind in its unaroused state was taken to be theoretically good. However, this inborn tendency for goodness is always in danger of being reduced to passivity, unless you cultivate yourself as a person of ‘humanity’ (in the Confucian sense mentioned above).

You should constantly try to activate your humanity to allow the unhampered operation of the original mind to manifest itself through socially responsible and moral character in action

Humanity is the realisation of what I describe as our ‘optimum level of perfection’ that exists in an inherent stage of potentiality due our innate good nature

This, in a sense, is like the Buddha nature of the Buddhists, which suggests we are already enlightened and just need to recover our innate mental state. Both philosophies are hopeful: humans are born good with the potential to correct their own flaws and failures

this could hardly contrast any more greatly with the Christian doctrine of original sin

The seventh diagram in T’oegye’s text is entitled ‘The Diagram of the Explanation of Humanity’ (Insŏl-to). Here he warns how one’s good inborn nature may become impaired, hampering the operation of the original mind and negatively impacting our character in action. Humanity embodies the gradual realisation of our optimum level of perfection that already exists in our mind but that depends on how we think about things and how we relate that to others in a social context

For T’oegye, the key to maintaining our capacity to remain level-headed, and to control our impulses and emotions, was kyŏng. This term is often translated as ‘seriousness’, occasionally ‘mindfulness’, and it identifies the serious need for constant effort to control one’s mind in order to go about one’s life in a healthy manner

For T’oegye, mindfulness is as serious as meditation is for the Buddhists. In fact, the Neo-Confucians had their own meditational practice of ‘quiet-sitting’ (chŏngjwa), which focused on recovering the calm and not agitated ‘original mind’, before putting our daily plans into action

These diagrams reinforce this need for a daily practice of Confucian mindfulness, because practice leads to the ‘good habit’ of creating (and maintaining) routines. There is no short-cut provided, no weekend intro to this practice: it is life-long, and that is what makes it transformative, leading us to become better versions of who were in the beginning. This is consolation of Korean philosophy.

Seeing the world as it is can steer us away from making unnecessary mistakes, while highlighting what is good and how to maintain that good while also reducing anxiety from an agitated mind and harmful desires. This is why Korean philosophy can provide us with consolation; it recognises the bad, but prioritises the good, providing several moral pathways that are referred to in the East Asian traditions (Confucianism, Buddhism and Daoism) as modes of ‘self-cultivation’

As social beings, we penetrate the consciousness of others, and so humans are linked externally through conduct but also internally through thought. Humanity is a unifying approach that holds the potential to solve human problems, internally and externally, as well as help people realise the perfection that is innately theirs

Prescriptivists cannot point to a single language that became unusable or inexpressive as a result of people’s failure to uphold traditional vocabulary and grammar. Every language existing today is fantastically expressive

Nonetheless, despite potential harm done by an individual word’s change in meaning, cultures tend to have all the words they need for all the things they want to talk about.

Every language has a characteristic inventory of contrasting sounds, called phonemes.

During the Great Vowel Shift, ee and oo started to move towards the sounds they have today. Nobody knows why

The answer is that language is a system. Sounds, words and grammar do not exist in isolation: each of these three levels of language constitutes a system in itself.

Words also weaken with frequent use

At the level of grammar, change might seem the most unsettling, threatening a deeper kind of harm than a simple mispronunciation or new use for an old word

what are the objects without those crucial case endings? The answer is boring: word order

Language is self-regulating. It’s a genius system – with no genius

We see here the enormously influential cultural ideal mentioned at the outset: the purpose of life is to be authentic, where that means finding out who you are and living accordingly. Gauguin, in other words, was a cultural prototype for a conception of life’s meaning that today has widespread appeal around the world.

Williams, however, thinks that Gauguin’s eventual success as a painter constitutes a form of moral luck, in that his artistic achievement justifies what he did. It provides a justification that not everyone will accept, but one that can make sense to Gauguin himself, and perhaps to others

In his essay ‘Moral Luck’ (1976), Williams discusses Paul Gauguin’s decision to leave Paris in order to move to Tahiti where he hoped he could become a great painter. Gauguin left behind – basically abandoned – his wife and children

If there’s one theme in all my work it’s about authenticity and self-expression,’ said the philosopher Bernard Williams in an interview with The Guardian in 2002

start with epistemic bubbles

That omission might be purposeful

But that omission can also be entirely inadvertent. Even if we’re not actively trying to avoid disagreement, our Facebook friends tend to share our views and interests

An ‘echo chamber’ is a social structure from which other relevant voices have been actively discredited. Where an epistemic bubble merely omits contrary views, an echo chamber brings its members to actively distrust outsiders.

an echo chamber is something like a cult. A cult isolates its members by actively alienating them from any outside sources. Those outside are actively labelled as malignant and untrustworthy.

In epistemic bubbles, other voices are not heard; in echo chambers, other voices are actively undermined.

The way to break an echo chamber is not to wave “the facts” in the faces of its members. It is to attack the echo chamber at its root and repair that broken trust.

Looking to others for corroboration is a basic method for checking whether one has reasoned well or badly

They have been in the limelight lately, most famously in Eli Pariser’s The Filter Bubble (2011) and Cass Sunstein’s #Republic: Divided Democracy in the Age of Social Media (2017).

The general gist: we get much of our news from Facebook feeds and similar sorts of social media. Our Facebook feed consists mostly of our friends and colleagues, the majority of whom share our own political and cultural views

various algorithms behind the scenes, such as those inside Google search, invisibly personalise our searches, making it more likely that we’ll see only what we want to see. These processes all impose filters on information.

Such filters aren’t necessarily bad. The world is overstuffed with information, and one can’t sort through it all by oneself: filters need to be outsourced.

That’s why we all depend on extended social networks to deliver us knowledge

any such informational network needs the right sort of broadness and variety to work

Each individual person in my network might be superbly reliable about her particular informational patch but, as an aggregate structure, my network lacks what Sanford Goldberg in his book Relying on Others (2010) calls ‘coverage-reliability’. It doesn’t deliver to me a sufficiently broad and representative coverage of all the relevant information.

Epistemic bubbles also threaten us with a second danger: excessive self-confidence.

An ‘epistemic bubble’ is an informational network from which relevant voices have been excluded by omission

Suppose that I believe that the Paleo diet is the greatest diet of all time. I assemble a Facebook group called ‘Great Health Facts!’ and fill it only with people who already believe that Paleo is the best diet. The fact that everybody in that group agrees with me about Paleo shouldn’t increase my confidence level one bit. They’re not mere copies – they actually might have reached their conclusions independently – but their agreement can be entirely explained by my method of selection.

Luckily, though, epistemic bubbles are easily shattered. We can pop an epistemic bubble simply by exposing its members to the information and arguments that they’ve missed.

echo chambers are a far more pernicious and robust phenomenon.

amieson and Cappella’s book is the first empirical study into how echo chambers function

echo chambers work by systematically alienating their members from all outside epistemic sources.

Their research centres on Rush Limbaugh, a wildly successful conservative firebrand in the United States, along with Fox News and related media

His constant attacks on the ‘mainstream media’ are attempts to discredit all other sources of knowledge. He systematically undermines the integrity of anybody who expresses any kind of contrary view.

outsiders are not simply mistaken – they are malicious, manipulative and actively working to destroy Limbaugh and his followers. The resulting worldview is one of deeply opposed force, an all-or-nothing war between good and evil

The result is a rather striking parallel to the techniques of emotional isolation typically practised in cult indoctrination

cult indoctrination involves new cult members being brought to distrust all non-cult members. This provides a social buffer against any attempts to extract the indoctrinated person from the cult.

The echo chamber doesn’t need any bad connectivity to function. Limbaugh’s followers have full access to outside sources of information

As Elijah Millgram argues in The Great Endarkenment (2015), modern knowledge depends on trusting long chains of experts. And no single person is in the position to check up on the reliability of every member of that chain

Their worldview can survive exposure to those outside voices because their belief system has prepared them for such intellectual onslaught.

exposure to contrary views could actually reinforce their views. Limbaugh might offer his followers a conspiracy theory: anybody who criticises him is doing it at the behest of a secret cabal of evil elites, which has already seized control of the mainstream media.

Perversely, exposure to outsiders with contrary views can thus increase echo-chamber members’ confidence in their insider sources, and hence their attachment to their worldview.

‘evidential pre-emption’. What’s happening is a kind of intellectual judo, in which the power and enthusiasm of contrary voices are turned against those contrary voices through a carefully rigged internal structure of belief.

One might be tempted to think that the solution is just more intellectual autonomy. Echo chambers arise because we trust others too much, so the solution is to start thinking for ourselves.

that kind of radical intellectual autonomy is a pipe dream. If the philosophical study of knowledge has taught us anything in the past half-century, it is that we are irredeemably dependent on each other in almost every domain of knowledge

Limbaugh’s followers regularly read – but do not accept – mainstream and liberal news sources. They are isolated, not by selective exposure, but by changes in who they accept as authorities, experts and trusted sources.

we depend on a vastly complicated social structure of trust. We must trust each other, but, as the philosopher Annette Baier says, that trust makes us vulnerable. Echo chambers operate as a kind of social parasite on that vulnerability, taking advantage of our epistemic condition and social dependency.

I am quite confident that there are plenty of echo chambers on the political Left. More importantly, nothing about echo chambers restricts them to the arena of politics

The world of anti-vaccination is clearly an echo chamber, and it is one that crosses political lines. I’ve also encountered echo chambers on topics as broad as diet (Paleo!), exercise technique (CrossFit!), breastfeeding, some academic intellectual traditions, and many, many more

Here’s a basic check: does a community’s belief system actively undermine the trustworthiness of any outsiders who don’t subscribe to its central dogmas? Then it’s probably an echo chamber.

much of the recent analysis has lumped epistemic bubbles together with echo chambers into a single, unified phenomenon. But it is absolutely crucial to distinguish between the two.

Epistemic bubbles are rather ramshackle; they go up easily, and they collapse easily

Echo chambers are far more pernicious and far more robust. They can start to seem almost like living things. Their belief systems provide structural integrity, resilience and active responses to outside attacks

the two phenomena can also exist independently. And of the events we’re most worried about, it’s the echo-chamber effects that are really causing most of the trouble.

new data does, in fact, seem to show that people on Facebook actually do see posts from the other side, or that people often visit websites with opposite political affiliation.

their basis for evaluation – their background beliefs about whom to trust – are radically different. They are not irrational, but systematically misinformed about where to place their trust.

Many people have claimed that we have entered an era of ‘post-truth’.

Not only do some political figures seem to speak with a blatant disregard for the facts, but their supporters seem utterly unswayed by evidence. It seems, to some, that truth no longer matters.

This is an explanation in terms of total irrationality. To accept it, you must believe that a great number of people have lost all interest in evidence or investigation, and have fallen away from the ways of reason.

echo chambers offers a less damning and far more modest explanation. The apparent ‘post-truth’ attitude can be explained as the result of the manipulations of trust wrought by echo chambers.

We don’t have to attribute a complete disinterest in facts, evidence or reason to explain the post-truth attitude. We simply have to attribute to certain communities a vastly divergent set of trusted authorities.

An echo chamber doesn’t destroy their members’ interest in the truth; it merely manipulates whom they trust and changes whom they accept as trustworthy sources and institutions.

in many ways, echo-chamber members are following reasonable and rational procedures of enquiry. They’re engaging in critical reasoning. They’re questioning, they’re evaluating sources for themselves, they’re assessing different pathways to information. They are critically examining those who claim expertise and trustworthiness, using what they already know about the world

none of this weighs against the existence of echo chambers. We should not dismiss the threat of echo chambers based only on evidence about connectivity and exposure.

Notice how different what’s going on here is from, say, Orwellian doublespeak, a deliberately ambiguous, euphemism-filled language designed to hide the intent of the speaker.

echo chambers don’t trade in vague, ambiguous pseudo-speech. We should expect that echo chambers would deliver crisp, clear, unambiguous claims about who is trustworthy and who is not

clearly articulated conspiracy theories, and crisply worded accusations of an outside world rife with untrustworthiness and corruption.

Once an echo chamber starts to grip a person, its mechanisms will reinforce themselves.

In an epistemically healthy life, the variety of our informational sources will put an upper limit to how much we’re willing to trust any single person. Everybody’s fallible; a healthy informational network tends to discover people’s mistakes and point them out. This puts an upper ceiling on how much you can trust even your most beloved leader

nside an echo chamber, that upper ceiling disappears.

Being caught in an echo chamber is not always the result of laziness or bad faith. Imagine, for instance, that somebody has been raised and educated entirely inside an echo chamber

when the child finally comes into contact with the larger world – say, as a teenager – the echo chamber’s worldview is firmly in place. That teenager will distrust all sources outside her echo chamber, and she will have gotten there by following normal procedures for trust and learning.

It certainly seems like our teenager is behaving reasonably. She could be going about her intellectual life in perfectly good faith. She might be intellectually voracious, seeking out new sources, investigating them, and evaluating them using what she already knows.

The worry is that she’s intellectually trapped. Her earnest attempts at intellectual investigation are led astray by her upbringing and the social structure in which she is embedded.

Echo chambers might function like addiction, under certain accounts. It might be irrational to become addicted, but all it takes is a momentary lapse – once you’re addicted, your internal landscape is sufficiently rearranged such that it’s rational to continue with your addiction

Similarly, all it takes to enter an echo chamber is a momentary lapse of intellectual vigilance. Once you’re in, the echo chamber’s belief systems function as a trap, making future acts of intellectual vigilance only reinforce the echo chamber’s worldview.

There is at least one possible escape route, however. Notice that the logic of the echo chamber depends on the order in which we encounter the evidence. An echo chamber can bring our teenager to discredit outside beliefs precisely because she encountered the echo chamber’s claims first. Imagine a counterpart to our teenager who was raised outside of the echo chamber and exposed to a wide range of beliefs. Our free-range counterpart would, when she encounters that same echo chamber, likely see its many flaws

Those caught in an echo chamber are giving far too much weight to the evidence they encounter first, just because it’s first. Rationally, they should reconsider their beliefs without that arbitrary preference. But how does one enforce such informational a-historicity?

The escape route is a modified version of René Descartes’s infamous method.

Meditations on First Philosophy (1641). He had come to realise that many of the beliefs he had acquired in his early life were false. But early beliefs lead to all sorts of other beliefs, and any early falsehoods he’d accepted had surely infected the rest of his belief system.

The only solution, thought Descartes, was to throw all his beliefs away and start over again from scratch.

He could start over, trusting nothing and no one except those things that he could be entirely certain of, and stamping out those sneaky falsehoods once and for all. Let’s call this the Cartesian epistemic reboot.

Notice how close Descartes’s problem is to our hapless teenager’s, and how useful the solution might be. Our teenager, like Descartes, has problematic beliefs acquired in early childhood. These beliefs have infected outwards, infesting that teenager’s whole belief system. Our teenager, too, needs to throw everything away, and start over again.

Let’s call the modernised version of Descartes’s methodology the social-epistemic reboot.

when she starts from scratch, we won’t demand that she trust only what she’s absolutely certain of, nor will we demand that she go it alone

For the social reboot, she can proceed, after throwing everything away, in an utterly mundane way – trusting her senses, trusting others. But she must begin afresh socially – she must reconsider all possible sources of information with a presumptively equanimous eye. She must take the posture of a cognitive newborn, open and equally trusting to all outside sources

we’re not asking people to change their basic methods for learning about the world. They are permitted to trust, and trust freely. But after the social reboot, that trust will not be narrowly confined and deeply conditioned by the particular people they happened to be raised by.

Such a profound deep-cleanse of one’s whole belief system seems to be what’s actually required to escape. Look at the many stories of people leaving cults and echo chambers

Take, for example, the story of Derek Black in Florida – raised by a neo-Nazi father, and groomed from childhood to be a neo-Nazi leader. Black left the movement by, basically, performing a social reboot. He completely abandoned everything he’d believed in, and spent years building a new belief system from scratch. He immersed himself broadly and open-mindedly in everything he’d missed – pop culture, Arabic literature, the mainstream media, rap – all with an overall attitude of generosity and trust.

It was the project of years and a major act of self-reconstruction, but those extraordinary lengths might just be what’s actually required to undo the effects of an echo-chambered upbringing.

we need to attack the root, the systems of discredit themselves, and restore trust in some outside voices.

Stories of actual escapes from echo chambers often turn on particular encounters – moments when the echo-chambered individual starts to trust somebody on the outside.

Black’s is case in point. By high school, he was already something of a star on neo-Nazi media, with his own radio talk-show. He went on to college, openly neo-Nazi, and was shunned by almost every other student in his community college. But then Matthew Stevenson, a Jewish fellow undergraduate, started inviting Black to Stevenson’s Shabbat dinners. In Black’s telling, Stevenson was unfailingly kind, open and generous, and slowly earned Black’s trust. This was the seed, says Black, that led to a massive intellectual upheaval – a slow-dawning realisation of the depths to which he had been misled

Similarly, accounts of people leaving echo-chambered homophobia rarely involve them encountering some institutionally reported fact. Rather, they tend to revolve around personal encounters – a child, a family member, a close friend coming out.

hese encounters matter because a personal connection comes with a substantial store of trust.

We don’t simply trust people as educated experts in a field – we rely on their goodwill. And this is why trust, rather than mere reliability, is the key concept

goodwill is a general feature of a person’s character. If I demonstrate goodwill in action, then you have some reason to think that I also have goodwill in matters of thought and knowledge.

f one can demonstrate goodwill to an echo-chambered member – as Stevenson did with Black – then perhaps one can start to pierce that echo chamber.

the path I’m describing is a winding, narrow and fragile one. There is no guarantee that such trust can be established, and no clear path to its being established systematically.

what we’ve found here isn’t an escape route at all. It depends on the intervention of another. This path is not even one an echo-chamber member can trigger on her own; it is only a whisper-thin hope for rescue from the outside.

Many scientific findings run counter to common sense and challenge our deepest assumptions about reality

Nor are paradigm shifts confined to the distant scientific past.

But that’s the thing. Holding still is exactly what science won’t do.

it was John Stuart Mill who crystallised the importance of having your ideas challenged through engagement with others who disagree with you.

As he put it: ‘Both teachers and learners go to sleep at their post, as soon as there is no enemy in the field.’

The point of philosophy is not to have a range of facts at your disposal, though that might be useful, nor to become a walking Wikipedia or ambulant data bank: rather, it is to develop the skills and sensitivity to be able to argue about some of the most significant questions we can ask ourselves, questions about reality and appearance, life and death, god and society. As Plato’s Socrates tells us, ‘These are not trivial questions we are discussing here, we are discussing how to live.’

The single existential risk that Tegmark worries about most is unfriendly artificial intelligence. That is, when computers are able to start improving themselves, there will be a rapid increase in their capacities, and then, Tegmark says, it’s very difficult to predict what will happen.

Tegmark told Lex Berko at Motherboard earlier this year, "I would guess there’s about a 60 percent chance that I’m not going to die of old age, but from some kind of human-caused calamity. Which would suggest that I should spend a significant portion of my time actually worrying about this. We should in society, too."

"Longer term—and this might mean 10 years, it might mean 50 or 100 years, depending on who you ask—when computers can do everything we can do," Tegmark said, “after that they will probably very rapidly get vastly better than us at everything, and we’ll face this question we talked about in the Huffington Post article: whether there’s really a place for us after that, or not.”

"This is very near-term stuff. Anyone who’s thinking about what their kids should study in high school or college should care a lot about this.”

Tegmark and his op-ed co-author Frank Wilczek, the Nobel laureate, draw examples of cold-war automated systems that assessed threats and resulted in false alarms and near misses. “In those instances some human intervened at the last moment and saved us from horrible consequences,” Wilczek told me earlier that day. “That might not happen in the future.”

there are still enough nuclear weapons in existence to incinerate all of Earth’s dense population centers, but that wouldn't kill everyone immediately. The smoldering cities would send sun-blocking soot into the stratosphere that would trigger a crop-killing climate shift, and that’s what would kill us all

“We are very reckless with this planet, with civilization,” Tegmark said. “We basically play Russian roulette.” The key is to think more long term, “not just about the next election cycle or the next Justin Bieber album.”

“There are several issues that arise, ranging from climate change to artificial intelligence to biological warfare to asteroids that might collide with the earth,” Wilczek said of the group’s launch. “They are very serious risks that don’t get much attention.

a widely perceived issue is when intelligent entities start to take on a life of their own. They revolutionized the way we understand chess, for instance. That’s pretty harmless. But one can imagine if they revolutionized the way we think about warfare or finance, either those entities themselves or the people that control them. It could pose some disquieting perturbations on the rest of our lives.”

Wilczek’s particularly concerned about a subset of artificial intelligence: drone warriors. “Not necessarily robots,” Wilczek told me, “although robot warriors could be a big issue, too. It could just be superintelligence that’s in a cloud. It doesn’t have to be embodied in the usual sense.”

it’s important not to anthropomorphize artificial intelligence. It's best to think of it as a primordial force of nature—strong and indifferent. In the case of chess, an A.I. models chess moves, predicts outcomes, and moves accordingly. If winning at chess meant destroying humanity, it might do that.

Even if programmers tried to program an A.I. to be benevolent, it could destroy us inadvertently. Andersen’s example in Aeon is that an A.I. designed to try and maximize human happiness might think that flooding your bloodstream with heroin is the best way to do that.

“It’s not clear how big the storm will be, or how long it’s going to take to get here. I don’t know. It might be 10 years before there’s a real problem. It might be 20, it might be 30. It might be five. But it’s certainly not too early to think about it, because the issues to address are only going to get more complex as the systems get more self-willed.”

Even within A.I. research, Tegmark admits, “There is absolutely not a consensus that we should be concerned about this.” But there is a lot of concern, and sense of lack of power. Because, concretely, what can you do? “The thing we should worry about is that we’re not worried.”

Tegmark brings it to Earth with a case-example about purchasing a stroller: If you could spend more for a good one or less for one that “sometimes collapses and crushes the baby, but nobody’s been able to prove that it is caused by any design flaw. But it’s 10 percent off! So which one are you going to buy?”

“There are seven billion of us on this little spinning ball in space. And we have so much opportunity," Tegmark said. "We have all the resources in this enormous cosmos. At the same time, we have the technology to wipe ourselves out.”

Ninety-nine percent of the species that have lived on Earth have gone extinct; why should we not? Seeing the biggest picture of humanity and the planet is the heart of this. It’s not meant to be about inspiring terror or doom. Sometimes that is what it takes to draw us out of the little things, where in the day-to-day we lose sight of enormous potentials.

I want to advance a technology-driven hypothesis: This mix of youthful safety and adult immaturity may be a feature of life in a society increasingly shaped by the internet’s virtual realities.

It is easy to see how online culture would make adolescent life less dangerous. Pornography to take the edge off teenage sexual appetite. Video games instead of fisticuffs or contact sports as an outlet for hormonal aggression. (Once it was feared that porn and violent media would encourage real-world aggression; instead they seem to be replacing it.) Sexting and selfie-enabled masturbation as a safer alternative to hooking up. Online hangouts instead of keggers in the field. More texting and driving, but less driving — one of the most dangerous teen activities — overall.

The question is whether this substitution is habit-forming and soul-shaping, and whether it extends beyond dangerous teen behavior to include things essential to long-term human flourishing — marriage, work, family, all that old-fashioned “meatspace” stuff.

It wasn’t so long ago that people worried about a digital divide, in which online access would be a luxury good that left the bottom half behind. But if anything, the virtual world looks more like an opiate for the masses

trends in the marketplace — ever-more-customized pornography, virtual realities that feel more and more immersive, devices and apps customized for addictive behavior — seem likely to overwhelm most attempts to enjoy the virtual only within limits.

Patricia Snow (yes, even columnists have mothers), in an essay for First Things earlier this year, suggested that any effective resistance to virtual reality’s encroachments would need to be moral and religious, not just pragmatic and managerial

Imagination is the capacity to make associations among all these bits of information and to synthesize them into patterns and concepts.

When you walk, say, into a coffee shop you don’t see an array of surfaces, lights and angles. Your imagination instantly coalesces all that into an image: “coffee shop.”

Neuroscientists have come to appreciate how fantastically complicated and subjective this process of creating mental images really is. You may think perception is a simple “objective” process of taking in the world and cognition is a complicated process of thinking about it. But that’s wrong.

Perception — the fast process of selecting, putting together, interpreting and experiencing facts, thoughts and emotions — is the essential poetic act that makes you you.

For example, you don’t see the naked concept “coffee shop.” The image you create is coated with personal feelings, memories and evaluations. You see: “slightly upscale suburban coffee shop trying and failing to send off a hipster vibe.” The imagination, Charles Darwin wrote, “unites former images and ideas, independently of the will, and thus creates brilliant and novel results.”

Imagination helps you perceive reality, try on other realities, predict possible futures, experience other viewpoints. And yet how much do schools prioritize the cultivation of this essential ability?

“A fool sees not the same tree that a wise man sees,” William Blake observed.

Can you improve your imagination? Yes. By creating complex and varied lenses through which to see the world

A person who feeds his or her imagination with a fuller repertoire of thoughts and experiences has the ability not only to see reality more richly but also — even more rare — to imagine the world through the imaginations of others.

This is the skill we see in Shakespeare to such a miraculous degree — his ability to disappear into his characters and inhabit their points of view without ever pretending to explain them.

Different people have different kinds of imagination. Some people mainly focus on the parts of the world that can be quantified.

it often doesn’t see the subjective way people coat the world with values and emotions and aspirations, which is exactly what we want to see if we want to glimpse how they experience their experience.

Furthermore, imagination can get richer over time. When you go to Thanksgiving dinner, your image of Uncle Frank contains the memories of past Thanksgivings, the arguments and the jokes, and the whole sum of your common experiences. The guy you once saw as an insufferable blowhard you now see — as your range of associations has widened and deepened — as a decent soul struggling with his wounds.

What happens to a society that lets so much of its imaginative capacity lie fallow? Perhaps you wind up in a society in which people are strangers to one another and themselves.

Some are motivated by potential business revenue, others by national security concerns.

Sometimes, they trade letters, opinion essays or social threads outlining their positions and attacking others’ in public view. More often, they tout their viewpoints without acknowledging alternatives, leaving the impression that their enlightened perspective is the inevitable lens through which to view A.I.

you’ll realize this isn’t really a debate only about A.I. It’s also a contest about control and power, about how resources should be distributed and who should be held accountable.

It is critical that we begin to recognize the ideologies driving what we are being told. Resolving the fracas requires us to see through the specter of A.I. to stay true to the humanity of our values.

Because language itself is part of their battleground, the different A.I. camps tend not to use the same words to describe their positions

One faction describes the dangers posed by A.I. through the framework of safety, another through ethics or integrity, yet another through security and others through economics.

The Doomsayers

These are the A.I. safety people, and their ranks include the “Godfathers of A.I.,” Geoff Hinton and Yoshua Bengio. For many years, these leading lights battled critics who doubted that a computer could ever mimic capabilities of the human mind

Many doomsayers say they are acting rationally, but their hype about hypothetical existential risks amounts to making a misguided bet with our future

Reasonable sounding on their face, these ideas can become dangerous if stretched to their logical extremes. A dogmatic long-termer would willingly sacrifice the well-being of people today to stave off a prophesied extinction event like A.I. enslavement.

The technology historian David C. Brock calls these fears “wishful worries” — that is, “problems that it would be nice to have, in contrast to the actual agonies of the present.”

OpenAI’s Sam Altman and Meta’s Mark Zuckerberg, both of whom lead dominant A.I. companies, are pushing for A.I. regulations that they say will protect us from criminals and terrorists. Such regulations would be expensive to comply with and are likely to preserve the market position of leading A.I. companies while restricting competition from start-ups

the roboticist Rodney Brooks has pointed out that we will see the existential risks coming, the dangers will not be sudden and we will have time to change course.

While we shouldn’t dismiss the Hollywood nightmare scenarios out of hand, we must balance them with the potential benefits of A.I. and, most important, not allow them to strategically distract from more immediate concerns.

The Reformers

While the doomsayer faction focuses on the far-off future, its most prominent opponents are focused on the here and now. We agree with this group that there’s plenty already happening to cause concern: Racist policing and legal systems that disproportionately arrest and punish people of color. Sexist labor systems that rate feminine-coded résumés lower

Superpower nations automating military interventions as tools of imperialism and, someday, killer robots.

Propagators of these A.I. ethics concerns — like Meredith Broussard, Safiya Umoja Noble, Rumman Chowdhury and Cathy O’Neil — have been raising the alarm on inequities coded into A.I. for years. Although we don’t have a census, it’s noticeable that many leaders in this cohort are people of color, women and people who identify as L.G.B.T.Q.

Others frame efforts to reform A.I. in terms of integrity, calling for Big Tech to adhere to an oath to consider the benefit of the broader public alongside — or even above — their self-interest. They point to social media companies’ failure to control hate speech or how online misinformation can undermine democratic elections. Adding urgency for this group is that the very companies driving the A.I. revolution have, at times, been eliminating safeguards

reformers tend to push back hard against the doomsayers’ focus on the distant future. They want to wrestle the attention of regulators and advocates back toward present-day harms that are exacerbated by A.I. misinformation, surveillance and inequity.

Integrity experts call for the development of responsible A.I., for civic education to ensure A.I. literacy and for keeping humans front and center in A.I. systems.

Surely, we are a civilization big enough to tackle more than one problem at a time; even those worried that A.I. might kill us in the future should still demand that it not profile and exploit us in the present.

Other groups of prognosticators cast the rise of A.I. through the language of competitiveness and national security.

Some arguing from this perspective are acting on genuine national security concerns, and others have a simple motivation: money. These perspectives serve the interests of American tech tycoons as well as the government agencies and defense contractors they are intertwined with.

they appear deeply invested in the idea that there is no limit to what their creations will be able to accomplish.

U.S. megacompanies pleaded to exempt their general purpose A.I. from the tightest regulations, and whether and how to apply high-risk compliance expectations on noncorporate open-source models emerged as a key point of debate. All the while, some of the moguls investing in upstart companies are fighting the regulatory tide. The Inflection AI co-founder Reid Hoffman argued, “The answer to our challenges is not to slow down technology but to accelerate it.”

The warriors’ narrative seems to misrepresent that science and engineering are different from what they were during the mid-20th century. A.I. research is fundamentally international; no one country will win a monopoly.

As the science-fiction author Ted Chiang has said, fears about the existential risks of A.I. are really fears about the threat of uncontrolled capitalism

Regulatory solutions do not need to reinvent the wheel. Instead, we need to double down on the rules that we know limit corporate power. We need to get more serious about establishing good and effective governance on all the issues we lost track of while we were becoming obsessed with A.I., China and the fights picked among robber barons.

By analogy to the health care sector, we need an A.I. public option to truly keep A.I. companies in check. A publicly directed A.I. development project would serve to counterbalance for-profit corporate A.I. and help ensure an even playing field for access to the 21st century’s key technology while offering a platform for the ethical development and use of A.I.

Also, we should embrace the humanity behind A.I. We can hold founders and corporations accountable by mandating greater A.I. transparency in the development stage, in addition to applying legal standards for actions associated with A.I. Remarkably, this is something that both the left and the right can agree on.