bookshelf finished 2005
Poor Charlie's Almanack
At a glance
Edited by Peter Kaufman, this collection gathers Charlie Munger's talks and aphorisms. Munger argues that good decisions come from a latticework of mental models drawn from many disciplines, from knowing the edges of your competence, and from understanding the psychological tendencies that cause people—including you—to misjudge. Wealth, in his view, follows from patience, rationality, and deserving what you want.
Build a latticework of mental models from many disciplines.
Invert: ask how to fail, then avoid it.
Stay inside your circle of competence—and know where its edge is.
Incentives drive behavior more than almost anything else.
Psychological tendencies combine into 'lollapalooza' effects.
Patience and a few big bets beat constant activity.
The best way to get what you want is to deserve what you want.
Notes
What this book is
Poor Charlie’s Almanack is a collection of Charlie Munger’s speeches and sayings, edited by Peter D. Kaufman. Munger was Warren Buffett’s partner at Berkshire Hathaway for decades. The title nods to Benjamin Franklin’s Poor Richard’s Almanack, and Munger was a lifelong Franklin admirer. The core of the book is a set of talks, including his commencement speech on how to guarantee a miserable life, his lecture on elementary worldly wisdom, and “The Psychology of Human Misjudgment.”
It’s not an investing manual. It’s a manual for thinking, and investing is where Munger tested it for real money.
Core aphorisms
Invert, always invert.
Show me the incentive and I will show you the outcome.
I constantly see people rise in life who are not the smartest, sometimes not even the most diligent, but they are learning machines.
The best way to get what you want is to deserve what you want.
Wiki notes
Elementary worldly wisdom
Munger’s central idea: you can’t be wise by memorizing isolated facts. You need a latticework of the big ideas from the big disciplines—compound interest and probability from math, feedback and redundancy from engineering, evolution from biology, incentives and misjudgment from psychology, scale advantages and competition from economics. “To a man with a hammer, everything looks like a nail.” Having many models lets you check one against another.
Inversion
Borrowed from the mathematician Carl Jacobi. Many hard problems are easier to solve backwards. Munger’s famous commencement talk lists prescriptions for guaranteed misery: be unreliable, learn only from your own experience, go down and stay down when life knocks you over, and give in to envy and resentment. Avoid those, and you’re most of the way to a good life. In business: ask what would kill the company, then prevent it.
Circle of competence
Everyone has areas they genuinely understand. The discipline is to play only where you have an edge and to be honest about the boundary. Munger and Buffett passed on many famous opportunities because they couldn’t understand them—and considered that a feature.
The psychology of human misjudgment
Munger’s best-known talk catalogs roughly 25 tendencies that distort judgment. A few:
- Reward and punishment superresponse — incentives are more powerful than people think, including in themselves.
- Liking/loving and disliking/hating — we ignore faults in people we like and merits in people we don’t.
- Doubt-avoidance and inconsistency-avoidance — we rush to conclusions and then defend them.
- Envy/jealousy — Munger thought envy drove much of the world’s folly.
- Social proof and authority — we copy the crowd and obey titles.
- Denial — reality too painful to bear gets distorted.
The practical use is a checklist: before a big decision, run through the list and ask which tendencies might be fooling you.
Lollapalooza effects
When several tendencies stack in the same direction—social proof plus incentives plus authority plus commitment—the result is not additive but extreme. Munger pointed to open-outcry auctions and fraud schemes as examples. Bubbles are lollapaloozas.
Incentives
Few people fully appreciate incentives. Munger’s examples include a delivery company that fixed its late night shifts overnight by paying per shift instead of per hour. When you evaluate a salesperson, advisor, or business model, ask how everyone is paid before you ask anything else.
Patience and big bets
Munger’s investing style: wait. Do the reading, stay ready, and when an opportunity is clearly mispriced, bet heavily. Then hold, because every trade has costs and taxes. “The big money is not in the buying and selling, but in the waiting.” Most people act too often.
A learning machine
Munger was famous for reading constantly. He saw continuous learning as the thing that compounds alongside capital: go to bed a little wiser than you woke up. Combined with reliability and integrity, it builds a reputation that pays off for decades.
Why it still lands
The book is dense, repetitive, and full of opinions, and that’s part of its charm. What survives is a way of thinking you can reuse: invert the problem, check the incentives, know your circle, watch your own biases, and be patient. For anyone trying to make money, whether through services, products, or investing, Munger’s answer is less about tactics and more about becoming the kind of person who deserves the outcome.
Cheatsheet
Hang your experience on models from math, physics, biology, psychology, and economics. One-model thinkers see every problem as a nail.
Solve problems backwards. Instead of 'how do I succeed?', ask 'what would guarantee failure?'—then don't do that.
Know what you know, and be ruthless about what you don't. The size of the circle matters less than knowing its boundary.
Show me the incentive and I'll show you the outcome. Look at how people are paid before you trust their advice.
Munger's list of about 25 tendencies—reward, liking, envy, denial, consistency, social proof, authority—that bend judgment.
When several tendencies push the same way at once, results are extreme: cults, bubbles, auctions gone mad.
Wait for a fat pitch, bet big when odds are clearly in your favor, then hold. Most activity is cost.
Trustworthiness, reliability, and continuous learning compound like money. Avoid envy, resentment, and self-pity.