The Feynman Technique How to Learn Anything Quickly

In summary, the Feynman Technique emphasizes true understanding over memorization by encouraging learners to teach, simplify, and refine their knowledge continuously.

Headlines

• True Understanding Over Memorization. The Feynman Technique focuses on comprehending subjects rather than just memorizing facts.
• Teach and Simplify to Fill Knowledge Gaps. By teaching others and simplifying concepts, you identify and address gaps in your understanding.
• Iterative Learning with Intent. Continuously refine your knowledge by revisiting source materials and creating analogies.
• Organized Learning with Todoist. Setting up projects and tasks helps systematically manage and deepen your learning process.

Things

• People: Richard Feynman, James Gleick, Fadeke Adegbuyi.
• Places: Cornell, Caltech, MIT.
• Numbers: 4 Steps, 90% retention when teaching others.
• Things & Concepts: Feynman Technique, quantum mechanics, Todoist, analogies, knowledge gaps, active learning, simplification.

Richard Feynman was a Nobel Prize-winning physicist who made significant contributions in quantum mechanics and particle physics. He pioneered quantum computing, introduced the concept of nanotechnology, and was a renowned lecturer at Cornell and Caltech.

Despite all of these accomplishments, Feynman thought of himself as just “an ordinary person who studied hard.” He believed anyone was capable of learning anything by putting enough effort—even complex physics subjects like quantum mechanics and electromagnetic fields.

There’s no miracle people. It just happens they got interested in this thing and they learned all this stuff. There’s just people.” – Richard Feynman*

But what made Richard Feynman Richard Feynman (according to him, at least) wasn’t innate intelligence but the systematic way in which he identified the things he didn’t know and then threw himself into understanding them inside and out.

Throughout his work and life, Feynman provided insights into his process for considering complex concepts in the world of physics and distilling knowledge and ideas with elegance and simplicity. Many of these observations about his learning process have been collected into what we now call “The Feynman Technique.”

This article will provide an overview of the Feynman Technique for learning and how you can apply it to continuously expand your knowledge and skill set. In short, Feynman will teach you not just how to learn but how to truly understand.

What Is the Feynman Technique for Learning?

“I was born not knowing and have had only a little time to change that here and there.” – Richard Feynman

The Feynman Technique is a four-step process developed by Richard Feynman to learn any subject—no matter how hard or complex it is. This technique rejects memorizing facts without understanding their meaning and favors true comprehension through selection, research, writing, explaining, and refining.

“In preparing for his oral qualifying examination, a rite of passage for every graduate student, he chose not to study the outlines of known physics. Instead he went up to MIT, where he could be alone, and opened a fresh notebook. On the title page he wrote: Notebook Of Things I Don’t Know About. For the first but not the last time he reorganized his knowledge. He worked for weeks at disassembling each branch of physics, oiling the parts, and putting them back together, looking all the while for the raw edges and inconsistencies. He tried to find the essential kernels of each subject. When he was done he had a notebook of which he was especially proud.”

Feynman believed that learning a new skill or concept should be an active process of "trial and error, discovery, free inquiry." He held that if you couldn't explain something clearly and simply it was because you didn't understand it well enough.

The 4 Steps of the Feynman Technique

Feynman’s technique condenses all his philosophies of active learning, simplification, teaching, identifying knowledge gaps, and iterative refinement in four simple steps.

A graphic that shows the 4 stages of the Feynman Technique

1. Choose a concept to learn. Select a subject or branch of knowledge you’re interested in learning. Then, write it at the top of a blank page in a notebook. If you have a syllabus or a table of contents from a book for that specific subject, choose a concept to start learning. If not, start with foundational concepts and add more complexity as you go.
2. Teach it to yourself or someone else. Write everything you know about a concept as if you were explaining it to yourself. Writing without transcribing forces you to understand rather than memorize. If possible, teach it to someone else.
3. Return to the source material if you get stuck. Go back to whatever you’re learning from—a book, lecture notes, podcast—and fill the gaps in your knowledge. Return to step two and repeat until the concept is clear.
4. Simplify your explanations and create analogies. Streamline your notes and explanation, further clarifying the topic until it seems obvious. Additionally, think of analogies that feel intuitive.

When you use the Feynman method, you learn with intention. Breaking down topics into digestible chunks and explaining them helps you identify gaps in your knowledge. This creates new neural pathways in your brain, which makes connecting ideas and concepts easier.

Think of it as building a tower. Every concept is a brick, as you understand and explain each one, you keep adding them to the tower. With a solid foundation in place, you make stronger connections which improves your memory and reinforces learning. Not to mention that building up your knowledge becomes easier.