The Old Man Walking Around in Pajamas Was Inventing Capitalism in His Head

🎬 Video version: YouTube

Imagine walking down a London street in the eighteenth century and seeing an old man in his pajamas, muttering to himself, nodding and smiling at thin air. You'd probably think he was crazy.

But what if I told you that what was running through his mind was the greatest discovery in the history of economics — the invisible hand.

He was Adam Smith (1723–1790), a genius who couldn't take care of himself.

An Eccentric Among Eccentrics

Adam Smith's eccentricity wasn't the occasional absent-minded kind. His was systematic.

He frequently walked out of his house in his bathrobe, wandered along Edinburgh's cobblestone streets for miles, until startled passersby "woke him up." According to early biographer John Rae, he once walked fifteen miles in his nightgown, all the way to a neighboring town. When found, he was completely bewildered with no idea how he'd gotten there.

At mealtimes, he'd suddenly put down his utensils, stare into space for fifteen minutes, then make a violent gesture at the air — as though arguing with an invisible person.

He once buttered his bread, dropped it into the teapot to steep, took a sip, and remarked: "The tea today tastes rather strange."

Academia has no shortage of eccentrics. But Adam Smith's peculiarity had something special — he wasn't spacing out. He was thinking. Those seemingly lost moments were when his brain was constructing a system to explain every aspect of human economic behavior.

What Era Did He Live In?

To understand Adam Smith, you first need to understand his era. Eighteenth-century Scotland was experiencing a knowledge explosion — later called the Scottish Enlightenment. This small country of fewer than two million people simultaneously produced David Hume (philosopher), James Watt (steam engine), Joseph Black (chemist), and Adam Smith. One country, one generation, four minds that changed the world.

His closest friend was David Hume — one of the most important skeptics in Western philosophical history. Two eccentrics who recognized each other's brilliance, regularly debating in Edinburgh's taverns until midnight. On Hume's deathbed, Smith was among the last to keep him company.

This matters because it tells us: Smith wasn't just someone who could add up numbers. He was first and foremost a philosopher — a thinker endlessly curious about "why do humans act the way they do?"

What Does "The Invisible Hand" Actually Mean?

In 1776, Smith published _The Wealth of Nations_. This book exceeds nine hundred pages. Most people remember only one metaphor — the invisible hand.

Interestingly, this phrase appears in the entire _Wealth of Nations_ exactly once. Once.

Smith's point: when each person pursues their own self-interest, they unwittingly promote the overall interest of society. The butcher doesn't sell you meat because he loves you — it's because he wants to make money. But precisely because he wants to make money, you get meat. The market, without anyone directing it, automatically allocates resources.

The Hijacking of Adam Smith

In the 1987 film _Wall Street_, Gordon Gekko's line "Greed is good" practically became Wall Street's motto. Many people instinctively attribute this to Adam Smith.

But this is a massive misunderstanding. Smith did say self-interest drives economic behavior. But he never said self-interest is the only driver, and he never said self-interest requires no moral constraints.

The Forgotten Other Hand: _The Theory of Moral Sentiments_

In 1759 — a full 17 years before _The Wealth of Nations_ — Smith published The Theory of Moral Sentiments. Its core concept is just one word: sympathy.

He used an exquisite concept to explain it: the "impartial spectator." Inside every person lives an "impartial spectator" who makes you feel shame when you're about to do something immoral.

Markets need self-interest to drive efficiency.

But markets also need morality to prevent collapse.

A market without sympathy is a jungle.

The left hand is market efficiency. The right hand is moral restraint. Both hands must exist simultaneously for the economic system to function.

How Did He Treat His Own Wealth?

Smith was a fascinating person. He was the "father of market economics," yet his own life was as austere as a puritan's. He never married. He lived with his mother until she died.

After his death, when people sorted through his belongings, they discovered something that shocked everyone: he had secretly donated most of his fortune to the poor.

Nobody knows how much he donated or to whom. Because his condition was anonymity.

A man who taught the entire world to pursue profit, who himself gave all his money to the poor. This isn't hypocrisy. It isn't contradiction. It's precisely the embodiment of his philosophy — markets make society wealthy, but the purpose of wealth isn't possession. It's enabling more people to live with dignity.

Burning the Manuscripts: A Genius's Final Stubbornness

In 1790, Smith died in Edinburgh. On his deathbed, he insisted his servants burn all his unfinished manuscripts.

Perhaps he foresaw that posterity would cherry-pick and misread his ideas. Taking only the convenient parts of _The Wealth of Nations_ and discarding the inconvenient parts of _The Theory of Moral Sentiments_. Wanting only "the invisible hand," not "the impartial spectator."

As it turned out, his concern was entirely correct.

Genius on the left, madness on the right. And Adam Smith stood alone in the middle — in his pajamas, talking to himself, trying to tell the whole world a simple truth:

You can pursue wealth, but you must not lose your soul.

---

_—Kinney's Wonderland_