7 Lessons Charlie Munger Taught Me About Life and Investing
Reflections from a man who turned curiosity into a philosophy
Hi, Investor! 👋🏼
I’m Jimmy, and welcome back to another edition of Jimmy’s Journal.
It’s been almost two years since Charlie Munger left us.
And yet, his voice still echoes - sharp, rational, slightly impatient - reminding us to “invert, always invert.”
I remember reading Poor Charlie’s Almanack for the first time.
It didn’t feel like a book.
It felt like an operating manual for the human mind.
No motivational clichés. Just clarity (the kind that hurts before it helps).
Before joining Buffett at Berkshire Hathaway, Munger ran his own partnership in Los Angeles.
Few people realize how successful he was before Berkshire…
His returns between 1962 and 1975 were extraordinary - but also brutally volatile.
In 1973-1974, during the oil shock, his fund lost more than 50%.
Most managers would have quit. Munger didn’t.
He called those years “agony,” but he stayed the course.
Because the long game always pays those who survive the short one.
That willingness to suffer short-term pain for long-term wisdom shaped everything he later built with Buffett.
Berkshire’s returns since he joined in 1978 - roughly 19% per year - tell only half the story.
The other half is temperament.
The ability to endure seven separate drawdowns of 40% or more without flinching.
That’s not luck. That’s philosophy.
So today, I want to revisit seven timeless lessons from Munger - not as an investor trying to mimic his style, but as a student trying to understand his mind.
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1. Invert, Always Invert:
“All I want to know is where I’m going to die, so I’ll never go there.”
— Charlie Munger
Munger built his life on inversion.
He didn’t ask, “How can I be successful?”
He asked, “What will guarantee failure?”
Avoiding stupidity was his definition of intelligence.
In investing, that means avoiding leverage, envy, overconfidence and impatience.
In life, it means avoiding people who erode your character.
When I look at my own investment mistakes, most came not from ignorance, but from ignoring the obvious.
Inversion is the discipline of humility.
A reminder that surviving is often more important than winning.
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2. The Power of Incentives:
In 1995, at Harvard, Munger gave a speech on the psychology of human misjudgment - arguably one of the most insightful talks ever given on behavior and decision-making.
He started with this line:
“Never, ever think about something else when you should be thinking about incentives.”
He understood human nature better than most economists.
People don’t do what you expect - they do what you reward.
Incentives explain corporate scandals, government inefficiency and even your own procrastination.
Munger warned:
“Dread and avoid rewarding people for what can be easily faked.”
Every system, from Wall Street bonuses to personal habits, runs on incentives.
Design them wrong, and even good people drift toward bad behavior.
Design them right, and you barely need rules.
↳ Here’s the full speech:
3. Know Your Circle of Competence:
“If you have competence, you pretty much know its boundaries already.”
Munger didn’t try to know everything. Just enough.
He and Buffett divided the world into three categories:
yes,
no, and
too tough to understand.
That’s not ignorance. It’s discipline.
He once compared life without basic probability to “a one-legged man in an ass-kicking contest.”
Understanding where you have an edge - and where you don’t - is one of the few enduring advantages left.
Thomas Watson Sr. of IBM said it first:
“I’m no genius. I’m smart in spots, and I stay around those spots.”
Munger just turned it into an investing (and life) philosophy.
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4. Wait Patiently, Then Pounce:
Munger and Buffett called it “sit-on-your-ass investing.”
Do nothing most of the time. Then, when the stars align - act decisively.
He once said:
“If you took our top 15 decisions out, we’d have a pretty average record.”
That’s the hidden truth of compounding: most of the results come from a handful of great calls, and years of disciplined inactivity.
He loved Buffett’s “20-slot punch card” thought experiment: imagine you can only make 20 investments in your life.
You’d think differently.
You’d demand quality.
You’d size up with conviction.
Patience is not passive. It’s aggressive restraint.
As Munger liked to quote the builder of the Suez Canal:
“Patience sometimes requires more strength of character than action.”
5. Challenge Your Own Beliefs:
Munger distrusted ideology - even his own.
He practiced what he called an “iron prescription”:
“I’m not entitled to have an opinion on this subject unless I can state the arguments against my position better than the people who support it.”
That’s a higher standard than most of us ever reach.
And it’s a deadly antidote to confirmation bias.
As investors, we fall in love with our theses (!!!).
We cherry-pick data. We stop listening.
Munger forced himself to argue the other side… and often changed his mind.
He echoed Keynes:
“It’s not bringing in the new ideas that’s so hard; it’s getting rid of the old ones.”
Every time I reread my own notes, I see his fingerprints, that quiet whisper asking:
“What if you’re wrong?”
6. Character Compounds Too:
“To get what you want, you have to deserve what you want.”
This might be the purest distillation of Munger’s worldview.
Skill can make you rich, but character keeps you rich.
He and Buffett built Berkshire on what they called a “web of deserved trust” - alignment between managers, shareholders, and partners.
Munger believed morality was not just noble, but profitable.
“Ben Franklin was right,” he said. “Honesty isn’t the best morals; it’s the best policy.”
He drew the line well before the law did, because he knew that long-term compounding demands long-term trust.
Markets eventually reward integrity the way physics rewards gravity.
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7. Lifelong Learning, so Long as Breath Lasts:
“Daily learning something, he grew old.” — Cicero
Of all the lessons Munger left us, this one is the most profound (and the most demanding).
He believed that the real compounding engine wasn’t money. It was knowledge.
Munger admired Ben Franklin not for his wealth, but for his mindset: the relentless curiosity to keep learning, questioning and refining until the very end.
He also admired Cicero, who wrote On a Life Well Spent at the age of 60 - a book about how self-improvement remains the only worthy pursuit, even when you no longer have time to enjoy its rewards.
Munger often quoted that line from Cicero about Solon, the Athenian lawgiver who “grew old learning something new every day.”
It became his north star.
He never stopped reading.
He never stopped questioning.
He never stopped evolving.
At 99, he was still refining ideas he first formed in his thirties, updating them with new data, new context and new humility.
He once said that the goal of life was
“[…] To go to bed a little wiser than you were when you got up.”
That’s the quiet discipline of someone who plays the infinite game.
To Munger, lifelong learning wasn’t academic. It was moral.
He believed that ignorance was a form of arrogance, and that curiosity was the antidote.
Every day was an opportunity to:
reduce a little stupidity,
to chip away at bias,
to understand the world slightly better than yesterday.
That philosophy shaped Berkshire. It shaped Buffett.
And it shapes anyone who takes the time to think, read and reflect with intention.
Charlie didn’t just build a fortune.
He built a framework for thinking.
And he lived by it - so long as breath lasts.
1% better every day ⬇️⬇️
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Thanks for sticking with me until the end. See you in the next one.
Cheers
Jimmy
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It's interesting how you framed Munger's journey. That "clarity (the kind that hurts before it helps)" hit home. It's an operating system update for the mind, truely. Surviving short-term agony for long-term wisdom is a universal truth, not just for stocks. Excelent read.
Amazing that Charlie Munger had so much wisdom and knowledge to share … circle of competence is a big one for me and invert always invert is the one that honestly I struggle the most!