Books Big Mistakes Get Off Your Soapbox

Big Mistakes · ch 9 of 16

Get Off Your Soapbox

A famous investor turned a short into a public crusade, then couldn't back down without humiliation.

The rule for your portfolio

Never make a thesis your public identity; loudly held opinions are the hardest to abandon when you're wrong.

The boy who shouted his bet

Picture the noisiest corner of a school ground. Two cricket teams are about to play, and one boy - let's call him Arjun - climbs onto a bench so everyone can see him and shouts, "The Blue team is going to lose! I'll bet anyone! They're rubbish, mark my words!" A crowd gathers. People laugh, some agree, some argue. Arjun loves it. For a few glorious minutes he is the centre of the whole ground, the boy with the bold opinion.

Now the match starts, and something awkward happens. The Blue team is actually playing rather well. A wicket falls their way, then a big six, then another. Any sensible person watching would quietly think, "Hmm, I was wrong about them, they look strong today," and move on. But Arjun cannot think that quietly, because he is standing on a bench with fifty faces looking up at him, remembering exactly what he shouted. To admit he was wrong now, in front of everyone, would feel like the sky falling. So instead he shouts louder. "It's a fluke! Just wait! They'll collapse!" The better the Blue team plays, the more furiously Arjun insists they are doomed - not because he still believes it, but because climbing down off that bench in front of the crowd feels worse than being wrong.

That little scene on the school ground is the whole lesson of this chapter, and it happens to grown-ups with real money all the time. This is a chapter about a famous, very clever investor who did exactly what Arjun did - except his "bench" was television and newspapers, his "bet" was a huge wager that one particular company would fail, and when the company refused to fail, he couldn't climb down. He kept shouting, kept insisting, kept his money in the losing bet long past the point where any calm person would have walked away. By the end, that one loud, proud position cost him something close to a billion dollars. Not because his first idea was stupid - it might even have been reasonable - but because he turned it into a public performance, and a public performance is almost impossible to abandon.

So the real danger this chapter warns about isn't "having a wrong opinion." Everyone has those; they're cheap and easy to fix. The danger is turning your opinion into who you are in front of a crowd - because the moment your pride is standing on that bench, your money has to stand there with it.

A private thought is easy to drop; a public promise is not

To feel why this matters so much, do a small experiment in your head. Think of any belief you hold only privately - say, you think it might rain tomorrow. If the sky is bright and blue tomorrow morning, how hard is it to change your mind? It's effortless. You just look up and think, "Oh, no rain after all," and carry on with your day. The belief cost you nothing to hold and costs you nothing to drop. There's no bench, no crowd, no face to lose.

Now imagine you had announced to twenty people, loudly and confidently, "It is definitely going to pour tomorrow, I guarantee it, you'd be a fool to plan a picnic." The next morning is sunny and cloudless. Suddenly, changing your mind is not effortless at all. Now there's a sting. Now admitting "I was wrong" means admitting it to twenty people who remember. You might find yourself squinting at the sky insisting "there's still time for clouds," or grumbling that "the weather people got it wrong," anything rather than a plain "I was mistaken." Notice: the facts are identical in both stories - a sunny day either way. The only thing that changed is whether you told a crowd. And that one difference turned an easy admission into a painful one.

That is the exact mechanism that hurts investors. A belief you keep to yourself - "I think this company is in trouble" - can be updated the instant new facts arrive. It's light. You carry it in your pocket and swap it out whenever reality says so. But the same belief, once you've broadcast it - told your WhatsApp group, posted it, said it on a call in front of colleagues, gone on television - becomes heavy. It stops being a tool for making money and turns into a piece of your reputation. And people will defend their reputation long after they've stopped believing the actual idea. They'll keep money in a sinking bet not because the numbers still make sense, but because pulling out would mean walking back what they said in public.

This is why the humble act of staying quiet is worth real money. It isn't shyness, and it isn't a lack of confidence. It's keeping your escape door unlocked. The quiet investor can turn around and leave a losing position the moment the evidence demands it, and nobody witnesses the U-turn, so it costs only money - not pride. The loud investor has bolted that same door shut with his own big mouth. When he needs to leave, he finds he'd have to leave in front of everyone, and so, again and again, he chooses to stay and sink rather than face the embarrassment. Being able to be wrong cheaply is one of the most valuable skills an investor can have, and a public boast is the surest way to make being wrong expensive.

How a quiet thought hardens into a loud identity

Let's look closely at how a light little opinion turns into a heavy public identity, because it doesn't happen in one jump. It happens in small, comfortable steps, each of which feels harmless at the time - and that's exactly why it catches clever people.

Step one, you have a private hunch: "I think this company will do badly." Perfectly fine. Step two, you tell one friend, casually. Also fine. Step three, feeling clever, you say it in a group chat where twenty people see it. Still feels harmless - you're just sharing a view. Step four, someone challenges you, so you defend it, and now you've argued for it out loud, which makes you believe it a little harder. Step five, you say it somewhere bigger - a public post, a room full of people, maybe a stage or a camera - with numbers and confidence and a firm prediction. And step six, without noticing the moment it happened, you have become "the person who says this company will fail." It's not just an idea you hold any more. It's your label. It's how people introduce you. It's who you are in the room.

Each step was tiny. Nobody wakes up and decides "I shall now weld my ego to this trade forever." You just talk, a little more loudly and a little more publicly each time, and the talking quietly builds a wall of witnesses behind you. And here's the cruel part: a wall of witnesses only ever pushes you one way. It makes going forward - insisting harder - easy, and going backward - admitting you were wrong - feel almost impossible. It's a ratchet, a wheel that clicks forward but is locked against turning back.

how a thought turns into an identity1 privatehunch2 told afriend3 postedto group4 arguedout loud5 on astage6 it iswho I ameasy to climb up →climbing back down: almost blocked
The ratchet from a private thought to a public identity. Each step is small and feels harmless, but every one adds witnesses behind you and makes climbing back down harder. By the top, changing your mind means changing it in front of a crowd. [illustrative]illustrative

Once you see the ratchet, you understand why smart people get stuck. It isn't that they can't tell the facts have changed. Often they can see it perfectly well. It's that every rung they climbed on the way up has quietly removed a rung on the way down. The person standing at the top isn't trapped by the facts. They're trapped by everyone who watched them climb.

Watch it happen: the loud crusade

Let's put real rupees on it and watch a loud opinion turn into a slow, expensive disaster. illustrative

Meet Arjun - the grown-up version of our school-ground boy. Arjun studies a company that runs a chain of coaching centres. He decides, after real homework, that it's overpriced and heading for trouble: the classrooms are half-empty, the debt is climbing. So far, this is a good piece of thinking. If he'd stopped here and quietly acted on it, he'd have been fine either way.

But Arjun is proud of his analysis, and he wants credit for being the clever one who saw it first. So he doesn't keep it quiet. He posts a long, dramatic write-up online titled "Why this company is going to zero." He goes on a finance podcast and repeats it with total confidence. In his investing group he stakes his whole reputation on it, saying, in effect, "If I'm wrong about this, I'll eat my hat." He puts ₹5,00,000 into a bet that pays him only if the shares fall. And now - this is the important part - he has built the ratchet. Hundreds of people know Arjun as the coaching-company-is-doomed guy. That label is now part of who he is.

Then the company does the rude thing losing bets so often do: it doesn't collapse. It signs up more students, opens new centres, reports a decent year. The shares, instead of falling, drift up. A quiet investor would look at the fresh facts - more students, real profit - and calmly think, "I was wrong, the business is stronger than I judged; time to close this and move on," taking a small, clean loss. But Arjun can't think that thought without the whole crowd watching. So he does what Arjun-on-the-bench always does: he shouts louder. He writes a second post, angrier this time, insisting the good numbers are "fake" and "a trick" and the collapse is "just delayed." He argues harder online. He adds more money to the losing bet to prove he means it. Every rise in the share price, instead of being new evidence that he's wrong, becomes a personal insult he has to fight.

Two years pass. The company keeps growing. Arjun's ₹5,00,000 bet has bled down to almost nothing, and the extra money he threw in "to prove a point" is gone too - call it ₹8,00,000 lost in total on a company he was, in the end, simply wrong about. And the saddest part is that the first wrong opinion cost him nothing much; a quiet ₹5,00,000 bet closed early might have lost him a manageable ₹1,00,000. The other ₹7,00,000 wasn't lost to bad analysis. It was lost to the bench - to the crowd, the label, the refusal to climb down in public. He didn't pay to be wrong. He paid to avoid admitting he was wrong.

Watch it happen: the quiet change of mind

Now let's watch the same wrong idea in the hands of a quiet investor, so you can feel in rupees exactly what the silence is worth. illustrative

Meet Haridya. She looks at the very same coaching-centre company and reaches the very same conclusion Arjun did: overpriced, shaky, likely to fall. Her analysis is no better than his - she's just as wrong about the future as he is. The only difference between them is what they do with the opinion.

Haridya tells no crowd. She writes her reasoning in a private notebook - the empty classrooms, the rising debt, the price she thinks is too high - and she puts ₹5,00,000 into the same kind of bet that pays if the shares fall. But because it's private, that's all it is: a position, not a performance. Nobody has been told. There's no bench, no label, no wall of witnesses.

Then the same surprise arrives: the company signs up more students and the shares drift up. Haridya reads the new numbers the same evening. And here's the whole point - she is free. She looks at the fresh facts and thinks, plainly, "The business is doing better than I expected. My reason for the bet is gone. I'll close it." She exits, takes a loss of about ₹1,00,000, writes one honest line in her notebook - "judged the demand wrong, closed early" - and moves on to the next idea that same week. No hat to eat. No angry second post. No crowd to face. Nobody even knows she was ever wrong, because being wrong was never a public event.

Line the two up and the lesson is impossible to miss. Same company. Same mistaken opinion. Same starting bet of ₹5,00,000. Arjun, who shouted it, lost around ₹8,00,000 and two years of misery. Haridya, who kept it quiet, lost about ₹1,00,000 and one evening. The ₹7,00,000 gap between them has nothing to do with skill or analysis - they were equally wrong. It's the price Arjun paid for standing on the bench. Silence, it turns out, is not the absence of confidence. It's the thing that lets you afford to be wrong.

Two ropes tie you to a sinking bet

Arjun's story has one more layer worth digging into, because two different traps were pulling on him at once, and it helps to see them separately.

The first rope is the one we've been talking about: ego, the crowd, the fear of admitting in public that you were wrong. The second rope is quieter and even sneakier: it's the money he'd already put in. Once Arjun had ₹5,00,000 in the bet - and then more - a little voice started whispering, "You've already sunk so much into this. If you quit now, all of it is wasted. Stay in, and maybe it'll come back." That voice feels like wisdom. It is, in fact, one of the oldest mistakes there is, and it has a name.

The trap is this: money you've already lost is gone whether you stay or leave, so it should count for exactly nothing when you decide what to do next. The only honest question is forward-looking - from right now, is my money more likely to grow inside this losing bet or somewhere else? But our minds don't work that cleanly. The pain of "wasting" what we already put in makes us pour good money after bad, staying in a hole because we've already dug it deep.

Now feel how vicious it is when both ropes pull together. Ego says, "You can't quit - everyone will see you were wrong." Sunk cost says, "You can't quit - you'll waste all the money you've put in." Each rope alone is strong; braided together they can hold a clever person in a losing bet for years. This is precisely why our famous billion-dollar investor couldn't let go: he had told the whole world he was right (ego) and he had a fortune already committed to the bet (sunk cost), and every month he stayed, both ropes only grew thicker. Adding more money to prove a point ties the ego rope tighter; every rupee added also thickens the sunk-cost rope. The two feed each other.

a losing betEGOthe crowd heard meSUNK COSTmoney already spentthe only real question →best home for my next rupee?cut both ropes to see straight
The two ropes that keep you in a losing bet. Ego (the crowd who heard your call) and sunk cost (the money already spent) both pull you to stay put, exactly when the facts say leave. Cut both, and the real question is simple: from here, is this the best home for my next rupee? [illustrative]illustrative

The way out is to name the ropes out loud to yourself and cut them one at a time. To the ego rope you say: the crowd's opinion of me is not part of my money; being seen to be wrong is not the same as losing rupees. To the sunk-cost rope you say: the money already spent is spent no matter what I do next; I will decide as if I were starting fresh today. Cut both, and a strange calm arrives - you can finally see the only question that was ever real: from here, right now, is this bet the best place for my next rupee, or not?

Watch it happen: cutting the sunk-cost rope

Let's make that rope-cutting concrete with one more scene, because the sunk-cost trap is so common in ordinary households, not just in dramatic short bets. illustrative

Meet Aarvi. Three years ago she bought shares in a small textile company for ₹3,00,000 because a relative swore by it. It has been sliding ever since; her holding is now worth about ₹1,20,000. Every time she thinks about selling, the same voice pipes up: "You've already lost ₹1,80,000 - if you sell now you make the loss real. Hold on, and one day it'll climb back to what you paid." That voice has kept her frozen for two years.

Here's the honest way to break the freeze. The ₹1,80,000 is already gone - it vanished the day the shares fell, and it stays gone whether she holds or sells. It is not waiting inside the shares to be "won back"; the shares don't remember what she paid. So the past price of ₹3,00,000 is simply not part of the decision. The only real question is about the ₹1,20,000 she has today: if she had ₹1,20,000 in cash right now, would she choose to buy this struggling textile company with it? When Aarvi asks it that way, the answer is an easy no - she wouldn't touch it. So the honest move is to sell, take the ₹1,20,000, and put it somewhere she actually believes in, like a plain index fund. She isn't "making the loss real" by selling; the loss was already real. She's just freeing the surviving ₹1,20,000 to start growing again instead of leaving it tied to a company she no longer rates, guarding the memory of a price that will never come back.

The reason this scene matters here is that it's the same rope that helped sink Arjun, just without the crowd. Sunk cost doesn't need an audience to trap you. It works quietly, in ordinary living rooms, on ordinary savings, whenever the pain of admitting a loss is louder than the plain arithmetic of what to do next.

Where people trip up

The slip almost never feels like ego at the time. It feels like loyalty to yourself - like being strong, consistent, not a person who caves under pressure. That's what makes it so hard to catch. Our whole culture praises the person who "sticks to their guns," and mostly that's a fine thing. But in investing, "sticking to your guns" against fresh facts isn't strength. It's the ratchet doing its work while you congratulate yourself for having a spine.

Here's the tell. Watch what happens to your feelings after you say a view out loud. Before you've told anyone, a piece of bad news about your bet lands as useful information - "huh, interesting, maybe I'm wrong." After you've announced it publicly, the very same bad news lands as an attack - you feel defensive, annoyed, ready to argue that the news is fake or unfair. That flip, from curiosity to defensiveness, is the sound of your ego climbing onto the bench. The instant you notice you're arguing harder for a view after posting it than you did before, you should get suspicious of yourself, because you've stopped weighing evidence and started defending a reputation.

Where this idea can mislead you

Now the honest limits, because "stay quiet and change your mind" can be pushed until it becomes its own kind of mistake.

The first trap is thinking that quiet means no conviction at all. It doesn't. This chapter is not telling you to have wishy-washy, no-opinion views that blow over with every headline. Haridya had a real, considered view and put real money behind it - she just didn't put her reputation behind it. There's a world of difference between "I hold a firm belief that I'll drop the moment the facts turn" and "I have no beliefs, so I flinch at every piece of news." The first is quiet conviction; the second is just being buffeted around. The repair is a simple rule: change your mind for new facts, never for new moods. If the business genuinely got stronger, like the coaching company did, that's a fact - update. If you just feel nervous because the price wobbled and a headline scared you, that's a mood - ignore it. Loose grip on your identity, firm grip on the evidence.

The second trap is going so quiet that you never let anyone test your thinking. Staying private protects your ego, yes - but it can also hide a flaw you'd have caught if you'd let a sharp friend poke at your reasoning. Arjun's problem wasn't that he shared his analysis; sharing an idea to invite honest challenge is healthy and can save you from a bad bet. His problem was that he shared it as a boast and a prediction with his pride attached - "I guarantee this, I stake my name on it" - rather than as a question - "here's my reasoning, tell me where I'm wrong." So the fix isn't total silence. It's to share your reasoning openly, hungry for someone to find the hole, while keeping the loud promises, the price targets, and the "I'll eat my hat" bravado firmly to yourself. Invite challenge; don't plant a flag.

And a third, gentler caution: this lesson is easiest to see in dramatic public bets, but its most common form is small and private, like Aarvi's frozen textile shares. You don't need a television camera to fall for it. The everyday version is simply refusing to sell a loser because you would have to admit to yourself that you were wrong. The crowd, in that case, is an audience of one - but it can hold you just as firmly. So don't file this away as "a mistake famous loud investors make." File it as "a mistake I will be tempted to make, quietly, every time one of my own picks goes wrong." The point isn't to never have opinions or never act boldly. It's to keep your opinions light enough to drop, and your ego far enough from your money that you can always see the facts standing right in front of you.

Carry forward

  • A wrong opinion is cheap; a wrong opinion you shouted from a bench is ruinously expensive. The facts are the same either way - the only difference is whether a crowd is watching you climb down. Keep your convictions private, and you can change your mind the moment the evidence turns, paying in rupees but never in pride.
  • Two ropes keep people in losing bets: ego (the crowd who heard your call) and sunk cost (the money already spent). Cut both by asking the only honest question - from right now, is this the best home for my next rupee? What you already lost is gone no matter what you do next.
  • The deepest danger is letting one bet become who you are. The moment "the person who called this" is part of your identity, admitting you're wrong feels like losing yourself, and you'll defend the position long after the facts have turned. Refuse to weld your ego to any single trade.

like a boy who shouts a bet from a bench and then can't climb down when he's proved wrong, an investor who turns a private view into a loud public identity loses the freedom to change his mind - held in place by ego and by the money he's already sunk - so keep your conviction quiet, cut both ropes by judging only from today, and never let any single bet become the person you are.

Connects to these principles

This is my own plain-English understanding of the book’s ideas, written in my own words with my own ₹ examples, so you can relate it to the real book’s chapters. It is not the book and reproduces none of its text - if the ideas help, please buy the book. Not affiliated with the author or publisher. Figures marked [illustrative] are constructed to demonstrate a method, not reported as fact. Educational only; the author is not SEBI-registered and nothing here is investment advice.