Prime Membership

If you’ve been an investor long enough, you’ve probably heard someone say, “Be rational.”

It sounds simple enough. Just don’t panic, don’t be greedy, don’t follow the herd.

But as Charlie Munger showed us throughout his life, rationality isn’t just a cool head during market crashes. It’s a much deeper discipline. It’s a lifelong commitment to thinking clearly, even when the world tempts you otherwise.

Now, most of us think of rationality as the absence of emotion. But Munger’s version is different. As per him, rationality is layered, nuanced, and demanding. It isn’t just about not making stupid decisions. It’s about constructing a mind that naturally veers toward truth, practicality, and long-term wisdom.

There’s a comforting illusion many of us as investors hold onto, which is the idea that if we just read enough, track enough, listen to the right experts, and follow the right indicators, we will finally be able to predict the direction of the market with some confidence.

But experience, history, and honest reflection reveal a more humbling truth: nobody really knows anything for sure, especially in investing.

Now, don’t get me wrong here. It’s not that people aren’t smart or that research doesn’t help. It’s that markets are shaped by a complex web of human emotions, economic variables, political decisions, global events, and plain randomness, none of which can be forecasted accurately and consistently.

Over 30 million years ago, the earth witnessed one of the most remarkable shifts in evolutionary history. It wasn’t dramatic like the asteroid that wiped out the dinosaurs, but a more gradual process.

The world was dominated by large mammals—towering rhinos the size of elephants, predatory beasts larger than today’s lions, and giant ground sloths that roamed the plains. These creatures, for millions of years, enjoyed an environment where food was plentiful and competition was limited. They grew big, slow-moving, and, for a time, seemingly unstoppable.

Investing is like playing a game where the rules keep changing, and no one really knows what’s going to happen next. At the heart of this game are two big things: time and risk.

Time changes everything—it can make a risky investment safe or turn a sure thing into a disaster. And the way you handle time and risk will decide whether you win or lose.

Financial manias, or market bubbles, have been a regular part of economic history. From the Dutch Tulip craze in the 1600s to more recent events like the dot-com bubble and the 2008 financial crisis, these patterns keep repeating. Despite past lessons, people still fall for these moments of market madness.

By studying these past bubbles, we can spot common patterns. This helps us understand why they’re hard to stop and how we can better protect ourselves from their worst effects.

I recently briefly explained to a friend how these manias work and how people typically behave during them. You can read that here.

However, exclusive to Mastermind members, I have created this three-part detailed series to dive deeper into how financial manias operate, why they keep happening, and share some ideas on how to deal with them. Understanding the mental, social, and economic factors behind these events can help us resist their appeal and make smarter investment choices.

Read the first part on the anatomy of a financial mania.

Here is the second part on the inevitable fall, and the most important lessons you can draw from it.

Financial manias, or market bubbles, have been a regular part of economic history. From the Dutch Tulip craze in the 1600s to more recent events like the dot-com bubble and the 2008 financial crisis, these patterns keep repeating. Despite past lessons, people still fall for these moments of market madness.

By studying these past bubbles, we can spot common patterns. This helps us understand why they’re hard to stop and how we can better protect ourselves from their worst effects.

I recently briefly explained to a friend how these manias work and how people typically behave during them. You can read that here.

However, exclusive to Mastermind members, I have created this three-part detailed series to dive deeper into how financial manias operate, why they keep happening, and share some ideas on how to deal with them. Understanding the mental, social, and economic factors behind these events can help us resist their appeal and make smarter investment choices.

Let’s begin the series with this first part on how a financial mania typically unfolds, and the most important lessons you can draw from it.

I have started this new series – Five Good Lessons – for Mastermind members, wherein I will be sharing five good lessons from a book on investing, money, behavioural finance, learning, and life, and my perspectives on the same.

The second book I write about today is Nassim Taleb’s Fooled By Randomness.

First published in 2001, this book continues to challenge our understanding of probability, risk, and success in both financial markets and life. Let’s explore five crucial lessons from this thought-provoking work, examining their relevance in today’s context.

I am starting this new series – Five Good Lessons – exclusively for Mastermind members, wherein I will be sharing five good lessons from a book on investing, money, behavioural finance, learning, and life.

The first book I start with is Benjamin Graham’s The Intelligent Investor, one of the very few books in investing that have stood the test of time.

First published in 1949 and revised several times since, this seminal work continues to shape the philosophy of value investing and influence investors worldwide.

Let’s delve into the five good lessons from this financial classic, examining their relevance in today’s market context.