The five enemies of rational thought.

Following his defeat at the Battle of Actium in 31 BCE, Marc Antony heard a rumour that Cleopatra had committed suicide and, in consequence, stabbed himself in the abdomen—only to discover that Cleopatra herself had been responsible for spreading the rumour. He later died in her arms.

“Fake news” is nothing new, but in our Internet age it has spread like a contagious disease, swinging elections, fomenting social unrest, undermining institutions, and diverting political capital away from health, education, the environment, and all-round good government.

So how best to guard against it?

As a medical specialist, I’ve spent over 20 years in formal education. With the possible exception of my two-year masters in philosophy, the emphasis of my education has always been firmly and squarely on fact accumulation.

Today, I have little use for most of these facts, and though I am only middle-aged, many are already out of date, or highly questionable.

But what I do rely on—every day, all the time—is my faculty for critical thinking. As BF Skinner once put it, “Education is what survives when what has been learnt has been forgotten.”

But can critical thinking even be taught?

In Plato’s Meno, Socrates says that people with wisdom and virtue are very poor at imparting those qualities: Themistocles, the Athenian politician and general, was able to teach his son Cleophantus skills such as standing upright on horseback and shooting javelins, but no one ever credited Cleophantus with anything like his father’s wisdom; and the same could also be said of Lysimachus and his son Aristides, and Thucydides and his sons Melesias and Stephanus.

In Plato’s Protagoras, Socrates says that Pericles, who led Athens at the peak of its golden age, gave his sons excellent instruction in everything that could be learnt from teachers, but when it came to wisdom, he simply left them to “wander at their own free will in a sort of hope that they would light upon virtue of their own accord”.

It may be that wisdom and virtue cannot be taught, but thinking skills certainly can—or, at least, the beginning of them.

So rather than leaving thinking skills to chance, why not make more time for them in our schools and universities, and be more rigorous and systematic about them?

I’ll make a start by introducing you to what I have called “the five enemies of rational thought”:

1. Formal fallacy. A fallacy is some kind of defect in an argument. A formal fallacy is an invalid type of argument. It is a deductive argument with an invalid form, for example:

Some A are B. 
Some B are C. 
Therefore, some A are C.

If you cannot yet see that this argument is invalid, substitute A, B, and C with “insects”, “herbivores”, and “mammals”.

Insects, clearly, are not mammals.

A formal fallacy is built into the structure of an argument and is invalid irrespective of the content of the argument.

2. Informal fallacy. An informal fallacy, in contrast, is one that can only be identified through an analysis of the content of the argument.

Informal fallacies often turn on the misuse of language, for example, using a key term or phrase in an ambiguous way, with one meaning in one part of the argument and another meaning in another part—called “fallacy of equivocation”.

Informal fallacies can also distract from the weakness of an argument, or appeal to the emotions instead of reason.

Here are a few more examples of informal fallacies.

  • Damning the alternatives. Arguing in favour of something by damning its alternatives. (Tim’s useless and Bob’s a drunk. So, I’ll marry Jimmy. Jimmy’s the right man for me.)
  • Gambler’s fallacy. Assuming that the outcome of one or more independent events can impact the outcome of a subsequent independent event. (June is pregnant with her fourth child. Her first three children are all boys, so this time it’s bound to be a girl.)
  • Appeal to popularity. Concluding the truth of a proposition on the basis that most or many people believe it to be true. (Of course he’s guilty: even his mother has turned her back on him.)
  • Argument from ignorance. Upholding the truth of a proposition based on a lack of evidence against it, or the falsity of a proposition based on a lack of evidence for it. (Scientists haven’t found any evidence of current or past life on Mars. So, we can be certain that there has never been any life on Mars.)
  • Argument to moderation. Arguing that the moderate view or middle position must be the right or best one. (Half the country favours leaving the European Union, the other half favours remaining. Let’s compromise by leaving the European Union but remaining in the Customs Union.)

You can find many more examples in Hypersanity: Thinking Beyond Thinking.

3. Cognitive bias. Cognitive bias is sloppy, if not necessarily faulty, reasoning: a mental shortcut or heuristic intended to spare us time, effort, or discomfort—often while reinforcing our self-image or worldview—but at the cost of accuracy or reliability.

For example, in explaining the behaviour of other people, our tendency is to overestimate the role of character traits over situational factors—a bias, called correspondence bias, that goes into reverse when it comes to explaining our own behaviour. Thus, if Charlotte fails to mow the lawn, I indict her with forgetfulness, laziness, or spite; but if I fail to mow the lawn, I absolve myself on the grounds of busyness, tiredness, or inclement weather.

Another important cognitive bias is my-side, or confirmation, bias, which is the propensity to search for or recall only those stories, facts, and arguments that are in keeping with our pre-existing beliefs while filtering out those that conflict with them—which, especially on social media, can lead us to inhabit a so-called echo chamber.

4. Cognitive distortion. Cognitive distortion is a concept from cognitive-behavioural therapy (CBT), developed by psychiatrist Aaron Beck in the 1960s and used in the treatment of depression and other mental disorders.

Cognitive distortion involves interpreting events and situations so that they conform to and reinforce our outlook or frame of mind, typically on the basis of very scant or partial evidence, or even no evidence at all.

Common cognitive distortions in depression include selective abstraction and catastrophic thinking.

Selective abstraction is to focus on a single and often insignificant negative event or condition to the exclusion of other, more positive ones, for example, “My partner hates me. He gave me an annoyed look three days ago.”

Catastrophic thinking is to exaggerate and dramatize the likely consequences of an event or situation, for example, “The pain in my knee is getting worse. When I’m reduced to a wheelchair, I won’t be able to go to work and pay the bills. So, I’ll end up losing my house and dying in the street.”

A cognitive distortion can open up a vicious circle, with the cognitive distortion feeding the depression, and the depression the cognitive distortion.

Cognitive distortion as broadly understood is not limited to depression and other mental disorders, but is also a feature of, among others, poor self-esteem, jealousy, and marital conflict.

5. Self-deception. Of the five enemies of rational thought, the most important by far is self-deception, because it tends to underlie all the others.

If we do not think clearly, if we cannot see the wood for the trees, this is not usually because we lack intelligence or education or experience, but because we feel exposed and vulnerable—and rather than come to terms with a painful truth, prefer, almost reflexively, to deceive and defend ourselves.

As I argue in Hide and Seek: The Psychology of Self-Deception, all self-deception can be understood in terms of ego defence. In psychoanalytic theory, an ego defence is one of several unconscious processes that we deploy to diffuse the fear and anxiety that arise when who or what we truly are (our unconscious “id”) comes into conflict with who we think we are or who we think we should be (our conscious “superego”).

To put some flesh onto this, let’s take a look at two important ego defences: projection and idealization.

Projection is the attribution of one’s unacceptable thoughts and feelings to other people. This necessarily involves repression (another ego defence) as a first step, since unacceptable thoughts and feelings need to be repudiated before they can be detached. Classic examples of projection include the envious person who believes that everyone envies her, the covetous person who lives in constant fear of being dispossessed, and the person with fantasies of infidelity who suspects that they are being cheated upon by their partner.

Idealization involves overestimating the positive attributes of a person, object, or idea while underestimating its negative attributes. At a deeper level, it involves the projection of our needs and desires onto that person, object, or idea. A paradigm of idealization is infatuation, or romantic love, when love is confused with the need to love, and the idealized person’s negative attributes are glossed over or even construed as positive. Although this can make for a rude awakening, there are few better ways of relieving our existential anxiety than by manufacturing something that is ‘perfect’ for us, be it a piece of equipment, a place, country, person, or god.

In all cases, the raw material of thought is facts. If the facts are missing, or worse, misleading, then thought cannot even get started.

The word ‘magic’ derives from the Latin, the Greek, the Old Persian, and, ultimately, the Proto-Indo-European magh, ‘to help, to be able, to be powerful’, from which also derive the words ‘almighty’, ‘maharaja’, ‘main’, ‘may’, and… ‘machine’. We come full circle with Clarke’s Third Law, which states: ‘Any sufficiently advanced technology is indistinguishable from magic.’

Magic, like religion, is deeply embedded into the human psyche. Though it has, effectively, been banished from the land, still it surfaces in thought and language, in phrases such as ‘I must be cursed’ and ‘He’s under your spell’; in children’s stories and other fiction; and in psychological processes such as undoing, which involves thinking a thought or carrying out an act in an attempt to negate a previous, uncomfortable thought or act.

Examples of undoing include the absent father who periodically returns to spoil and smother his children, and the angry wife who throws a plate at her husband and then tries to ‘make it up’ by smothering him in kisses. The absent father and angry wife are not merely trying to make amends for their behaviour, but also, as if by magic, to ‘erase it from the record’.

Another example of undoing is the man who damages a friend’s prospects and then, a few days later, turns up at his door bearing a small gift. Rituals such as confession and penitence are, at least on some level, socially condoned and codified forms of undoing.

‘Magic’ is difficult to define, and its definition remains a matter of debate and controversy. One way of understanding it is by comparing and contrasting it to religion on the one hand and to science on the other.

Historically, the priest, the physician, the magician, and the scholar might have been one and the same person: the shaman, the sorcerer.

In the West, pre-Socratics such as Pythagoras and Empedocles moonlighted as mystics and miracle workers—or perhaps, since the term ‘philosophy’ is held to have been invented by Pythagoras, moonlighted as philosophers. Pythagoras claimed to have lived four lives and to remember them all in great detail, and once recognized the cry of his dead friend in the yelping of a puppy. After his death, the Pythagoreans deified him, and attributed him with a golden thigh and the gift of bilocation.

In Plato’s Phaedrus, Socrates argues that there are, in fact, two kinds of madness: one resulting from human illness, but the other arising from a divinely inspired release from normally accepted behaviour. This divine form of madness, says Socrates, has four parts: love, poetry, inspiration, and mysticism, which is the particular gift of Dionysus.

While Socrates, in some sense the father of logic, seldom claimed any real knowledge, he did claim to have a daimonion or ‘divine something’, an inner voice or intuition that prevented him from making grave mistakes such as getting involved in politics, or fleeing Athens: ‘This is the voice which I seem to hear murmuring in my ears, like the sound of the flute in the ears of the mystic…’

Far from being a thing of the distant past, this trope of the philosopher-sorcerer outlived the sack of Athens and the fall of Rome, and perdured well into the Enlightenment. The economist John Maynard Keynes, upon buying a trove of Isaac Newton’s papers, observed that Newton and the physicists of his time were ‘not the first of the scientists, but the last of the sorcerers’. Other notable later occultists include: Giordano Bruno, Nostradamus, Paracelsus, Giovanni Pico della Mirandola, and Arthur Conan Doyle, yes, the father of Sherlock Holmes.

Yet since antiquity, the West has had an uncomfortable relationship with magic, usually regarding it as something foreign and ‘Eastern’. In Plato’s Meno, Meno compares Socrates to the flat torpedo fish, which torpifies or numbs all those who come near it: ‘And I think that you are very wise in not [leaving Athens], for if you did in other places as you do in Athens, you would be cast into prison as a magician.’

For the Greeks as for the Romans, magic represented as improper and potentially subversive expression of religion. After centuries of contra-legislation, in 357 CE, the Christian Roman emperor Constantius II finally banned it outright:

No one shall consult a haruspex, a diviner, or a soothsayer, and wicked confessions made to augurs and prophets must cease. Chaldeans, magicians, and others who are commonly called malefactors on account of the enormity of their crimes shall no longer practice their infamous arts.

The Bible, too, inveighs against magic, in more than a hundred places, for example, picked almost at random:

  • Thou shalt not suffer a witch to live. —Exodus 22:18 (KJV)
  • Regard not them that have familiar spirits, neither seek after wizards, to be defiled by them: I am the Lord your God. —Leviticus 19:31 (KJV)
  • But the fearful, and unbelieving, and the abominable, and murderers, and whoremongers, and sorcerers, and idolaters, and all liars, shall have their part in the lake which burneth with fire and brimstone: which is the second death. —Revelation 21:8 (KJV)

Early Christians, perhaps unconsciously, associated magic with mythopoeic thought, in which all of nature is full of gods and spirits, and therefore with paganism and, by extension, with demons. During the Reformation, Protestants accused the Church of Rome, with its superstitions, relics, and exorcisms, of being more magic than religion—a charge that transferred all the more to non-Christian peoples, and that, notoriously, served as a justification for large-scale persecution, colonization, and Christianization.

Today, magic, like mythopoeic thought, is seen as ‘primitive’, and has largely been relegated to fiction and illusionism. But as a result, people have come to associate magic with delight and wonder; and with the retreat of Christianity, at least from Europe, a growing number are returning to some form of paganism as a path to personal and spiritual development.

So, what exactly is the difference between magic and religion? It is often held that magic is older than religion, or that religion was born out of magic, but it may be that they co-existed, and were not distinguished.

Both magic and religion pertain to the sacred sphere, to things removed from everyday life. But, compared to religion, magic does not split so sharply between the natural and the supernatural, the earthly and the divine, the fallen and the blessed. And whereas magic involves harnessing the world to the will, religion involves subjugating the will to the world. In the words of the anthropologist Claude Lévi-Strauss (d. 2009), ‘religion consists in a humanization of natural laws, and magic in a naturalization of human actions.’

Hence, magic tends to be about specific problems, and to involve private rites and rituals. Religion, in contrast, tends towards the bigger picture, and to involve communal worship and belonging. ‘Magic’ said the sociologist Emile Durkheim (d. 1917), ‘does not result in binding together those who adhere to it, nor in uniting them into a group leading a common life. There is no Church of magic.’

So, one hypothesis is that, as man gained increasing control over nature, magic, as it came to be called, lost ground to religion, which, being communal and centralized, evolved a hierarchy that sought to suppress those practices that threatened its dogma and dominance.

But now religion is, in its turn, on the decline—in favour of science. What is science? Within academia, there are, in fact, no clear or reliable criteria for distinguishing a science from a non-science. What might be said is that all sciences share certain assumptions which underpin the scientific method—in particular, that there is an objective reality governed by uniform laws, and that this reality can be discovered by systematic observation.

But, as I argue in my book, Hypersanity: Thinking Beyond Thinking, every scientific paradigm that has come and gone is now deemed to have been false, inaccurate, or incomplete, and it would be ignorant or arrogant to assume that our current ones might amount to the truth, the whole truth, and nothing but the truth.

The philosopher Paul Feyerabend (d. 1994) went so far as to claim that there is no such thing as ‘a’ or ‘the’ scientific method: behind the facade, ‘anything goes’, and, as a form of knowledge, science is no more privileged than magic or religion.

More than that, science has come to occupy the same place in the human psyche as religion once did. Although science began as a liberating movement, it grew dogmatic and repressive, more of an ideology than a rational method that leads to ineluctable progress.

To quote Feyerabend:

Knowledge is not a series of self-consistent theories that converges toward an ideal view; it is rather an ever increasing ocean of mutually incompatible (and perhaps even incommensurable) alternatives, each single theory, each fairy tale, each myth that is part of the collection forcing the others into greater articulation and all of them contributing, via this process of competition, to the development of our consciousness.

A common trope in fantasy fiction is the ‘thinning’ of magic: magic is fading, or has been banished, from the land, which is caught in a perpetual winter or otherwise in deathly or depressive decline, and the hero is called upon to rescue and restore the life-giving forces of old.

It is easy to draw the parallel with our own world, in which magic has been progressively driven out, first by religion, which over the centuries, became increasingly repressive of magic, and latterly by science with its zero tolerance.

When we read fantasy fiction, it is for the side of the old magic, always, that we root, for a time when the world, when life, had meaning in itself.

In my next article, I will look at the psychology and philosophy of magic.

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Many of our utterances carry much more than their literal meaning.

Suppose I am hosting a dinner party at 7pm. At 4pm, one of my guests texts me, “I’m free from 6pm”. From that, I will understand, “I’m free from 6pm and I’d like to arrive early if that’s OK?”

As the evening progresses, another of the guests says something horribly rude. I respond with, “So, what did you think about the fish?” From this, my guest ought to understand that he has overstepped the mark.

As a writer, I am acutely aware that I am conveying much more than the words on the page. As a psychiatrist, I am acutely aware that my patients are disclosing much more than the face value of their words.

So, how do our words and sentences work so hard?

The British philosopher Paul Grice (d. 1988) attempted to answer this question by his theory of implicature.

Grice distinguished conventional implicatures, inherent in certain words such as “but”, “therefore”, and “indeed”, from conversational implicatures, which arise from a sort of game-playing, and rule-observing, between speakers.

Let me give you an example of each.

If I say, “She was poor but honest”, I am, by the simple use of the word “but”, also conveying or betraying a certain prejudice that poor people are generally dishonest.

A few hours before my dinner party, I bump into a friend while stepping out of a bakery with three loaves under my arm. My friend asks, “How are you?” To which I respond, “My first dinner party tonight!” By which she understands, “I’m excited because tonight I’m throwing a dinner party for the first time since the U.K. coronavirus lockdown.”

With conversational implicatures, our utterances can take on added meanings, or different meanings, according to the situation or context in which they are uttered.

When we speak to our partner in a crowded place, they are able to derive much more meaning from what we have said than the strangers who are also in earshot, in part because they are leaning upon background information that is privy only to the both of us. Our partner is capturing not only our words, but also how they fit in, and work with, push against, or wrap around, the world that we share.

More interesting, I think, is that non-literal meaning can also be created by pushing against certain general and deeply ingrained principles of communication and co-operation. In particular, meaningful conversation can only take place on the assumption that the speakers are, at least on an epistemic level, cooperating with one another.

Grice divided this so-called cooperative principle into four maxims of conversation:

  1. Maxim of quality: That utterances ought to be sincere, justified, and truthful.
  2. Maxim of quantity: That the right amount of information ought to be provided.
  3. Maxim of relevance: That the information provided is in some way pertinent.
  4. Maxim of manner: That the information provided is as clear and unambiguous as possible.

Whenever one or more of these maxims appears to have been flouted, we reflexively assume that the speaker must somehow have observed the maxims and start searching for a likely non-literal meaning.

In other words, implicature arises when the Gricean maxims are flouted, or would have been flouted had it not been for the implicature. Category examples of floutings that, by implicature, are not true floutings include irony (maxim of quality), metaphor (maxim of relevance), and euphemism (maxim of manner).

But, of course, the maxims are not invariably observed. Politicians in particular often flout the maxims, for instance, by answering a different question to the one asked, or providing a much longer answer when a simple “yes” or “no” would have sufficed, or been preferable. In such cases, most of the interviewer’s interjections are, in effect, attempts to return the politician to the maxims.

Conversational implicatures serve a number of important functions such as: increasing the efficiency of communication; making communication more lively, varied, and humorous; and introducing ambiguity or restraint to avoid being ostracized or otherwise penalized for speaking hard truths.

But this slipperiness, this malleability, also gives rise to a number of ethical and legal problems—which is why legal contracts, witness statements, and the like are expected or even required to be as concrete and literal as possible.

More fundamentally, while we can be held responsible for what we say, to what extent can we be held responsible for what we implicate?

Today, many politicians resort to implicature, on Twitter and elsewhere, to get away with saying the unsayable.

In the words of the Persian poet Hafiz, “The words you speak become the house you live in.”

pink glassesThe Norwegian philosopher Peter Wessel Zapffe argued, essentially, that the human capacities for reason and self-awareness break with nature, giving us more than we, as a part of nature, can carry. So as not to go mad, ‘most people learn to save themselves by artificially limiting the content of consciousness.’

People not only limit the content of consciousness, but also fill it with less than the truth. In particular, most people think more highly of themselves than is warranted: they have an inflated sense of their qualities and abilities, an illusion of control over things that are mostly beyond them, and a misplaced optimism about their outcomes and prospects.

For example, most people claim to compare favourably to the average road user, citizen, parent… which is, of course, mathematically impossible, since not everyone can be above average. A couple on the verge of tying the knot is likely to overestimate the odds of having a carefree honeymoon or a gifted child, while underestimating the odds of having a miscarriage, falling ill, or getting divorced.

The concept of positive illusions first appeared in 1988, in a paper by Shelley Taylor and Jonathon Brown entitled, Illusion and well-being: A social psychological perspective on mental health. Still today, it is commonly believed that mental health corresponds to accurate perceptions of the self, the other, and the world, but in their paper Taylor and Brown argued that the evidence suggests otherwise, and that positive illusions are characteristic of normal human thought.

Positive illusions are helpful in so far as they enable us to take risks, invest in the future, and fend off despair and depression. After all, how many people would get married if they had any real sense of what awaited them? But in the longer term, the poor perspective and judgement that come from undue self-regard and false hope are likely to lead to disappointment and failure, to say nothing of the inhibitions and emotional disturbances (such as anger, anxiety, and so on) that can derive or descend from a defended position.

Positive illusions tend to be more common, and more marked, in the West. In East Asian cultures, for example, people are less vested in themselves and more vested in their community and society, and tend, if anything, to self-effacement rather than self-enhancement.

Positive illusions are also more prevalent in unskilled people, possibly because highly skilled people tend to assume, albeit falsely, that those around them enjoy similar levels of insight and competence. This Dunning-Kruger effect, as it has been called, is neatly encapsulated in a short fragment from the introduction to Darwin’s Descent of Man: ‘…ignorance more frequently begets confidence than does knowledge…’ And, of course, it may also be that, compared to highly skilled people, unskilled people are more reliant on positive illusions for their self-esteem and broader mental health.

Depressive realism

Just as it is commonly believed that mental health corresponds to accurate perceptions of the self, the other, and the world, so it is commonly believed that depression results in, or results from, distorted thinking.

‘Cognitive distortion’ is a concept from cognitive-behavioral therapy (CBT), developed by psychiatrist Aaron Beck in the 1960s and routinely used in the treatment of depression and other mental disorders. Cognitive distortion involves interpreting events and situations so that they conform to and reinforce our outlook or frame of mind, typically on the basis of very scant or partial evidence, or even no evidence at all.

Common cognitive distortions in depression include selective abstraction, personalization, and catastrophic thinking:

  • Selective abstraction is to focus on a single negative event or condition to the exclusion of other, more positive ones, for example, ‘My partner didn’t call me yesterday. He must hate me.’
  • Personalization is to relate independent events to oneself, for example, ‘The nurse is leaving her job because she’s fed up with me…’
  • Catastrophic thinking is to exaggerate the negative consequences of an event or situation, for example: ‘The pain in my knee is only going to get worse. When I’m reduced to a wheelchair, I won’t be able to go to work and pay the mortgage. So I’ll end up losing my house and dying in the street.’

However, the scientific literature suggests that, despite their propensity for such cognitive distortions, many people with depressed mood can also have more accurate judgement about the outcome of so-called contingent events (events that may or may not occur) and a more realistic perception of their role, abilities, and limitations—a phenomenon that is sometimes, and controversially, referred to as ‘depressive realism’.

The concept of depressive realism originated in 1979, in a paper entitled Judgment of contingency in depressed and nondepressed students: sadder but wiser? On the basis of their findings, the authors, Lauren Alloy and Lyn Abramson, argued that people with depression make more realistic inferences than ‘normal’ people, who are handicapped by their positive illusions. On the face of it, this suggests that people with depression are able to see the world more clearly for what it is, while normal people are only normal in so far as they are deceiving or deluding themselves.

This is a seductive proposition for someone like me, who has long been arguing that depression can be good for us—for example, in my book, The Meaning of Madness. But here’s the rub: people with depression are pessimistic even in situations in which pessimism is unwarranted, suggesting that, rather than being more realistic, their thinking is merely ‘differently biased’, and just as rigid and distorted as that of normal people with their positive illusions.

Wisdom, it seems, consists in being able to shed our positive illusions without also succumbing to depression, although, for many, depression may be a necessary step along the way.