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Today at a Glance:

Curiosity and inspiration are perishable—they must be acted upon when they strike. But unfortunately, despite its importance to your career and life, learning is not a skill we’re ever explicitly taught how to approach.

The Feynman Technique is a beautiful, intuitive framework for learning literally anything.

The process in a nutshell: identify a topic, research it deeply, attempt to explain it to a child, and then study to fill in the gaps.

The Feynman Technique

Curiosity is unpredictable.

It strikes at random—and often inopportune—moments. But it is also notoriously perishable, so it must be acted upon.

Let’s assume for a moment that you've been bit by the curiosity bug and are ready to act on it—ready to learn something new and (hopefully) exciting.

Now what? Where do you start? What approach do you take?

You’re inspired and motivated to learn, but you don’t even know where to begin.

Unfortunately, despite its importance to your career and life, learning is not a skill we’re ever explicitly taught how to approach.

Let’s fix that…

In today’s piece, I’d like to talk about a beautiful, intuitive framework for learning literally anything: The Feynman Technique.

Introduction

Richard Feynman was an American theoretical physicist born in 1918 in New York City.

Feynman was a very late talker—he didn’t utter a word until he was three—but it was clear from a young age that he was extremely observant and intelligent. His parents valued non-consensus thinking—they constantly encouraged young Richard to ask questions and think independently.

Feynman taught himself advanced mathematics in his teens and would go on to earn a B.S. from the Massachusetts Institute of Technology and a PhD from Princeton University. He would then become famous for his work in quantum electrodynamics and receive the Nobel Prize in Physics in 1965 for his contributions to the field.

So yes, you could say that Richard Feynman was intelligent...

But there are a lot of intelligent people in the world. Feynman's true genius was in his ability to convey extremely complex ideas in simple, elegant, digestible ways—to abstract complexity and deliver simplicity.

He had observed at a young age that complex language is often used to mask a lack of deep understanding. As a rule of thumb, if someone uses a lot of acronyms and jargon to explain something to you, they probably don’t understand it very well themselves.

We've all encountered this type of “expert” at one time or another…

What was Richard Feynman’s secret? He had developed a learning framework—accidentally or intentionally—that forced a deep, elegant understanding of a topic that most people never achieve.

The Feynman Technique: How It Works

The Feynman Technique can be broken down into five key steps:

Set the Stage

Read & Research

ELI5 (Explain It To Me Like I'm 5)

Assess & Study

Organize, Convey & Review

Let's walk through each step, including notes on how I personally implement each one in my own learning processes…

Step 1: Set the Stage

What’s the topic you want to learn?

Starting with a blank page, write the topic at the top and jot down everything you know about it. For some topics, that might be precisely nothing; for others, it might be a lot.

The starting point is irrelevant, you’re just setting the stage.

Sahil Notes: I like to use Notion for tracking and managing my various research and learning efforts. It’s just a personal preference, so you can identify what works for you. I keep a “Knowledge Neural Net” board and for each new topic, I create a new page. I can then go back and connect ideas and topics as I see fit.

Step 2: Read & Research

Now that you have a baseline of your starting knowledge, you can begin your reading and research.

The most effective strategy for research: start horizontal, then go vertical.

Horizontal = Breadth

Vertical = Depth

Here’s a simple visualization of how I think about this process:

Horizontal Research (“HR”): Lays the foundation for your learning. When you start horizontal, you gather information across the full breadth of the topic area. This gives you the capacity to "see the entire field”—it draws a surface-level map of the topic. With horizontal research, it’s perfectly acceptable to keep it simple: Google and Wikipedia (sorry to all of my high school teachers!) are both great tools.

Vertical Research (“VR”): Historically much more challenging—it typically required hours of finding and reading long, dense books on a topic. But in the Information Age, we have a diverse array of tools that provide much higher time leverage. These tools include (but are not limited to): Reddit, Twitter, Newsletters, Podcasts, Expert Networks, Books. With these tools, you’ll be able to go vertical—quickly and effectively—on any topic.

Take notes, cite sources, and track gaps as you go. This step is where you start to build out your knowledge base on a topic.

Sahil Notes: I really try to take my time in this phase. True depth of understanding requires significant time. I find it helpful to conduct this research in sprints—short bursts of high intensity research—rather than in jogs. Try to create mental maps that connect together pieces of information as you go—it will help cement new learnings.

Step 3: ELI5

Ok, so up to this point, it all feels like a standard process—no Feynman touch. But here's where it gets fun (and challenging)…

Attempt to explain the topic to a child—figuratively (or literally if you're ambitious!).

On a new blank page, distill everything you know about your topic—but now pretend you are explaining it to a child. Use exclusively simple language.

Sahil Notes: In this step, rather than a blank page, I simply create a new header in my same Notion tab. Below this header, I attempt to distill the highlights of the topic into 1-2 paragraphs. I think of this as the “elevator pitch” or “cocktail party fodder” on the topic—i.e. the 60-second bit that I would use to explain the topic to any new acquaintance. The key is that you have to distill and write in a way that assumes the individual is “uninitiated” on the topic.

Step 4: Assess & Study

Test it out. Try your “elevator pitch” on another person. How’d you do? Reflect on your performance—form a balanc...

Representation is key if we want health equity