Welcome to FS

Think better. Live better.

Farnam Street (FS) helps you master the best of what other people have already figured out.

Packed with timeless mental models, FS will teach you the mental tools you need to deal with whatever life throws at you.

Our readers include students, teachers, CEOs, coaches, athletes, artists, leaders, followers, politicians and more. They’re not defined by gender, age, income, or politics but rather by a shared passion for avoiding problems, making better decisions, and lifelong learning.

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FS has been featured in The New York Times, The Wall Street Journal, Financial Times, The Economist, and more.

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Recent Articles

Farnam Street’s 2019 Annual Letter to Readers

December 20, 2019

Most public companies write an annual letter to shareholders. At their best, these letters represent an opportunity for the people entrusted to run the company to communicate with the people who own the company, the shareholders. At Farnam Street, we are obsessed with you, our readers. You trust us with something far more valuable than […]

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Influence, Gender, and Defying Social Conventions with Friedrich Nietzsche and Jane Austen

December 16, 2019

In the third installment of our FS Bar series, philosopher Friedrich Nietzsche and writer Jane Austen sit down for a drink and discuss each other’s work, gender, philosophy, and try to find common ground. As always, they are attended by our intellectually curious bartender Kit. *** We are back at the FS bar. Kit is […]

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Tradeoffs: The Currency of Decision Making

December 09, 2019

Every decision we make carries an opportunity cost. If we don’t budget wisely, we end up wasting time and energy on things that don’t matter. Here’s how to do it right. *** Economics teaches you that making a choice means giving up something. — Russ Roberts The disregard of tradeoffs and opportunity costs play out […]

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The Great Mental Models: General Thinking Concepts

The old saying goes, “To the man with a hammer, everything looks like a nail.” But anyone who has done any kind of project knows a hammer often isn’t enough.

The more tools you have at your disposal, the more likely you’ll use the right tool for the job — and get it done right.

The same is true when it comes to thinking. The quality of your outcomes depends on the mental models in your head. And most people are going through life with little more than a hammer.

Until now.

The Great Mental Models: General Thinking Concepts is the first book in The Great Mental Models series designed to upgrade your thinking with the best, most useful and powerful tools, so you always have the right one on hand.

This volume details nine of the most versatile, all-purpose mental models you can use right away to improve your decision making, productivity, and how clearly you see the world. You will discover what forces govern the universe and how to focus your efforts so you can harness them to your advantage, rather than fight with them or worse yet— ignore them.

Upgrade your mental toolbox and get the first volume today!


What People are Saying


I'm really glad this exists in the world and I can see that I will be recommending it often.

Matt Mullenweg

CEO of Automattic and founding developer of Wordpress

The Bible for better learning and decision making

Casey Herron on audible.com