One of Charlie Munger’s favorite tricks for solving problems wasn’t something flashy or complicated. It was simple, almost childlike. He called it:
“Invert, always invert.”
But the story behind it goes back much further than Omaha boardrooms or Berkshire Hathaway meetings.
From a Mathematician to an Investor
In the 19th century, German mathematician Carl Gustav Jacob Jacobi often faced impossible problems. Instead of trying to wrestle them head-on, he flipped them around. If proving something directly was too hard, he asked himself: “What would make the opposite true?”
Munger stumbled across this idea and immediately saw how powerful it was. If it worked in mathematics, why not in business, investing, or even life?
He often quipped:
“All I want to know is where I’m going to die, so I’ll never go there.”
It sounds funny, but behind the humor is the essence of inversion: if you want to succeed, start by avoiding failure.
A Dinner Conversation
Imagine you’re at dinner with Charlie Munger. Someone asks, “Charlie, how can I be happy in life?”
He wouldn’t give you a long lecture about passion, love, or chasing your dreams. Instead, he might smile and say:
“Easy. Just avoid what makes people miserable. Don’t drink too much, don’t envy, don’t spend more than you earn, don’t marry the wrong person, and don’t work in a job you hate.”
That’s inversion. Instead of chasing happiness directly, you identify the road to misery — and don’t take it.
The Investor’s Version
Investing works the same way. People constantly ask, “What stock will double next year?”
Munger’s mind goes the other way: “What habits guarantee losing money?”
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Overtrading
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Borrowing too much
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Ignoring risk
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Falling for hype
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Paying too much for a “story”
If you simply avoid these traps, you’ve already outperformed a large part of the market.
Why It Works
Most of us try to solve problems by adding complexity: more data, more forecasts, more screens, more scenarios. Munger preferred subtraction.
Invert the problem. Strip it down. Ask the opposite question. Eliminate stupidity before seeking brilliance.
It’s not glamorous advice, but that’s exactly why it works.
The Lesson
Next time you face a hard problem, try Munger’s way. Don’t ask:
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“How do I succeed?”
Ask instead:
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“How do I fail, and how do I avoid that?”
It’s remarkable how far you can go in life and investing simply by refusing to be stupid.
Invert, always invert.
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