Building a Second Brain, page 1
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To Lauren, my partner, my muse, and my greatest inspiration in everything I do
Introduction
The Promise of a Second Brain
How often have you tried to remember something important and felt it slip through your mental grasp?
Perhaps you were having a conversation and couldn’t remember a fact that would have convincingly supported your point of view. Maybe you conceived of a brilliant new idea while driving or in transit, but by the time you arrived at your destination, it had evaporated. How often have you struggled to recall even one useful takeaway from a book or article you read in the past?
As the amount of information we have access to grows, such experiences are becoming more and more common. We’re flooded with more advice than ever promising to make us smarter, healthier, and happier. We consume more books, podcasts, articles, and videos than we could possibly absorb. What do we really have to show for all the knowledge we’ve gained? How many of the great ideas we’ve had or encountered have faded from our minds before we even had a chance to put them into practice?
We spend countless hours reading, listening to, and watching other people’s opinions about what we should do, how we should think, and how we should live, but make comparatively little effort applying that knowledge and making it our own. So much of the time we are “information hoarders,” stockpiling endless amounts of well-intentioned content that only ends up increasing our anxiety.
This book is dedicated to changing that. You see, all the content you consume online and through all the different kinds of media you have at your disposal isn’t useless. It’s incredibly important and valuable. The only problem is that you’re often consuming it at the wrong time.
What are the chances that the business book you’re reading is exactly what you need right at this moment? What are the odds that every single insight from a podcast interview is immediately actionable? How many of the emails sitting in your inbox actually require your full attention right now? More likely, some of it will be relevant now, but most of it will become relevant only at some point in the future.
To be able to make use of information we value, we need a way to package it up and send it through time to our future self. We need a way to cultivate a body of knowledge that is uniquely our own, so when the opportunity arises—whether changing jobs, giving a big presentation, launching a new product, or starting a business or a family—we will have access to the wisdom we need to make good decisions and take the most effective action. It all begins with the simple act of writing things down.
I’ll show you how this simple habit is the first step in a system I’ve developed called Building a Second Brain, which draws on recent advancements in the field of PKM—or personal knowledge management.I In the same way that personal computers revolutionized our relationship with technology, personal finance changed how we manage our money, and personal productivity reshaped how we work, personal knowledge management helps us harness the full potential of what we know. While innovations in technology and a new generation of powerful apps have created new opportunities for our times, the lessons you will find within these pages are built on timeless and unchanging principles.
The Building a Second Brain system will teach you how to:
Find anything you’ve learned, touched, or thought about in the past within seconds.
Organize your knowledge and use it to move your projects and goals forward more consistently.
Save your best thinking so you don’t have to do it again.
Connect ideas and notice patterns across different areas of your life so you know how to live better.
Adopt a reliable system that helps you share your work more confidently and with more ease.
Turn work “off” and relax, knowing you have a trusted system keeping track of all the details.
Spend less time looking for things, and more time doing the best, most creative work you are capable of.
When you transform your relationship to information, you will begin to see the technology in your life not just as a storage medium but as a tool for thinking. Like a bicycle for the mind,II once we learn how to use it properly, technology can enhance our cognitive abilities and accelerate us toward our goals far faster than we could ever achieve on our own.
In this book I will teach you how to create a system of knowledge management, or a “Second Brain.”III Whether you call it a “personal cloud,” “field notes,” or an “external brain” as some of my students have done, it is a digital archive of your most valuable memories, ideas, and knowledge to help you do your job, run your business, and manage your life without having to keep every detail in your head. Like a personal library in your pocket, a Second Brain enables you to recall everything you might want to remember so you can achieve anything you desire.
I’ve come to believe that personal knowledge management is one of the most fundamental challenges—as well as one of the most incredible opportunities—in the world today. Everyone is in desperate need of a system to manage the ever-increasing volume of information pouring into their brains. I’ve heard the plea from students and executives, entrepreneurs and managers, engineers and writers, and so many others seeking a more productive and empowered relationship with the information they consume.
Those who learn how to leverage technology and master the flow of information through their lives will be empowered to accomplish anything they set their minds to. At the same time, those who continue to rely on their fragile biological brains will become ever more overwhelmed by the explosive growth in the complexity of our lives.
I’ve spent years studying how prolific writers, artists, and thinkers of the past managed their creative process. I’ve spent countless hours researching how human beings can use technology to extend and enhance our natural cognitive abilities. I’ve personally experimented with every tool, trick, and technique available today for making sense of information. This book distills the very best insights I’ve discovered from teaching thousands of people around the world how to realize the potential of their ideas.
With a Second Brain at your fingertips, you will be able to unlock the full potential of your hidden strengths and creative instincts. You will have a system that supports you when you are forgetful and unleashes you when you are strong. You will be able to do and learn and create so much more, with so much less effort and stress, than was ever possible before.
In the next chapter, I’ll tell you the story of how I built my own Second Brain, and the lessons I learned along the way about how you can build one for yourself.
I. The field of PKM emerged in the 1990s to help university students handle the huge volume of information they suddenly had access to through Internet-connected libraries. It is the individual counterpart to Knowledge Management, which studies how companies and other organizations make use of their knowledge.
II. This metaphor was first used by Steve Jobs to describe the future potential of the personal computer.
III. Other popular terms for such a system include Zettelkasten (meaning “slip box” in German, coined by influential sociologist Niklas Luhmann), Memex (a word invented by American inventor Vannevar Bush), and digital garden (named by popular online creator Anne-Laure Le Cunff).
PART ONE
The Foundation
Understanding What’s Possible
Chapter 1
Where It All Started
Your mind is for having ideas, not holding them.
—David Allen, author of Getting Things Done
One spring day during my junior year of college, for no apparent reason, I began to feel a small pain in the back of my throat.
I thought it was the first sign of a flu coming on, but my doctor couldn’t find a trace of illness. It slowly got worse over the next few months, and I began to visit other, more specialized doctors. They all arrived at the same conclusion: there’s nothing wrong with you.
Yet my pain continued getting worse and worse, with no remedy in sight. Eventually it became so severe that I had trouble speaking or swallowing or laughing. I did every diagnostic test and scan imaginable, desperately looking for answers for why I was feeling this way.
As months and then years passed, I began to lose hope that I would ever find relief. I started taking a powerful anti-seizure medication that temporarily relieved the pain, but there were terrible side effects, including a numbing sensation throughout my body and severe short-term memory loss. Entire trips I took, books I read, and precious experiences with loved ones during this period were wiped from my memory as if they never happened. I was a twenty-four-year-old with the mind of an eighty-year-old.
As my ability to express myself continued to deteriorate, my discouragement turned to despair. Without the ability to speak freely, so much of what life had to offer—friendships, dating, traveling, and finding a career I was passionate about—seemed like it was slipping away from me. It felt like a dark curtain was being drawn over the stage of my life before I even had a chance to start my performance.
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One day, sitting in yet another doctor’s office waiting for yet another visit, I had an epiphany. I realized in a flash that I was at a crossroads. I could either take responsibility for my own health and my own treatment from that day forward, or I would spend the rest of my life shuttling back and forth between doctors without ever finding resolution.
I took out my journal and began to write what I was feeling and thinking. I wrote out the history of my condition, through my own lens and in my own words, for the first time. I listed which treatments had helped and which hadn’t. I wrote down what I wanted and didn’t want, what I was willing to sacrifice and what I wasn’t, and what it would mean to me to escape the world of pain I felt trapped within.
As the story of my health began to take shape on the page, I knew what I needed to do. I stood up abruptly, walked over to the receptionist, and asked for my complete patient record. She looked at me quizzically, but after I answered a few questions, she turned to her files and began making photocopies.
My patient record amounted to hundreds of pages, and I knew I would never be able to keep track of them on paper. I started scanning every page on my family’s home computer, turning them into digital records that could be searched, rearranged, annotated, and shared. I became the project manager of my own condition, taking detailed notes on everything my doctors told me, trying out every suggestion they made, and generating questions to review during my next appointment.
With all this information in one place, patterns began to emerge. With my doctors’ help, I discovered a class of afflictions called “functional voice disorders,” which included problems with any of the more than fifty pairs of muscles required to properly swallow a piece of food. I realized that the medications I was taking were masking my symptoms, and in the process making it harder to hear what they were telling me. What I had was not an illness or infection that could be eradicated with a pill—it was a functional condition that required changes in how I took care of my body.
I began to research how breathing, nutrition, vocal habits, and even past experiences in childhood can be manifested in the nervous system. I started to understand the mind-body connection and how my thoughts and feelings directly impacted the way my body felt. Taking notes on everything I learned, I devised an experiment: I would try a few simple lifestyle changes, such as improving my diet and regular meditation, combined with a series of voice exercises I learned from a voice therapist. To my shock and amazement, it began to work almost immediately. My pain didn’t disappear, but it became far more manageable.I
As I look back, my notes were as important in finding relief as any medicine or procedure. They gave me the chance to step back from the details of my condition and see my situation from a different perspective. For both the outer world of medicine and the inner world of sensations, my notes were a practical medium for turning any new information I encountered into practical solutions I could use.
From then on, I became obsessed with the potential of technology to channel the information all around me. I began to realize that the simple act of taking notes on a computer was the tip of an iceberg. Because once made digital, notes were no longer limited to short, handwritten scribbles—they could take any form, including images, links, and files of any shape and size. In the digital realm, information could be molded and shaped and directed to any purpose, like a magical, primordial force of nature.
I started using digital notetaking in other parts of my life. In my college classes, I turned stacks of disheveled spiral-bound notebooks into an elegant, searchable collection of lessons. I learned to master the process of writing down only the most important points from my classes, reviewing them on demand, and using them to compose an essay or pass a test. I had always been a mediocre student with average grades. My early schoolteachers would regularly send me home with report cards noting my short attention span and wandering mind. You can imagine my delight when I graduated from college with a nearly straight-A grade point average and university honors.
I had the misfortune of graduating into one of the worst job markets in a generation, in the aftermath of the 2008 financial crisis. Faced with few employment opportunities in the United States, I decided to join the Peace Corps, an overseas volunteer program that sends Americans to serve in developing countries. I was accepted and assigned to a small school in the eastern Ukrainian countryside, where I would spend two years teaching English to students aged eight to eighteen.
Working as a teacher with few resources and little support, my notetaking system once again became my lifeline. I saved examples of lessons and exercises anywhere I found them: from textbooks, websites, and USB drives passed around by other teachers. I mixed and matched English phrases, expressions, and slang into word games to keep my energetic third graders engaged. I taught the older students the basics of personal productivity—how to keep a schedule, how to take notes in class, and how to set goals and plan their education. I will never forget their appreciation as they grew up and used those skills to apply to universities and succeed in their first jobs. Years later, I still regularly receive messages of gratitude as the productivity skills I taught my former students continue to bear fruit in their lives.
I returned to the US after two years of service and was thrilled to land a job as an analyst at a small consulting firm in San Francisco. As excited as I was to start my career, I was also faced with a major challenge: the pace of work was frantic and overwhelming. Moving straight from rural Ukraine to the epicenter of Silicon Valley, I was utterly unprepared for the constant barrage of inputs that is a normal part of modern workplaces. Every day I received hundreds of emails, every hour dozens of messages, and the pings and dings from every device merged into a ceaseless melody of interruption. I remember looking around at my colleagues and wondering, “How can anyone get anything done here? What’s their secret?”
I knew only one trick, and it started with writing things down.
I started taking notes on everything I was learning using a notetaking app on my computer. I took notes during meetings, on phone calls, and while doing research online. I wrote down facts gleaned from research papers that could be used in the slides we presented to clients. I wrote down tidbits of insight I came across on social media, to share on our own social channels. I wrote down feedback from my more experienced colleagues so I could make sure I digested it and took it to heart. Every time we started a new project, I created a dedicated place on my computer for the information related to it, where I could sort through it all and decide on a plan of action.
As the information tide receded, I started to gain a sense of confidence in my ability to find exactly what I needed when I needed it. I became the go-to person in the office for finding that one file, or unearthing that one fact, or remembering exactly what the client had said three weeks earlier. You know the feeling of satisfaction when you are the only one in the room who remembers an important detail? That feeling became the prize in my personal pursuit to capitalize on the value of what I knew.
Another Shift—Discovering the Power of Sharing
My collection of notes and files had always been for my own personal use, but as I worked on consulting projects for some of the most important organizations in the world, I started to realize that it could be a business asset as well.
I learned from one of the reports we published that the value of physical capital in the US—land, machinery, and buildings for example—is about $10 trillion, but that value is dwarfed by the total value of human capital, which is estimated to be five to ten times larger. Human capital includes “the knowledge and the knowhow embodied in humans—their education, their experience, their wisdom, their skills, their relationships, their common sense, their intuition.”1
If that was true, was it possible that my personal collection of notes was a knowledge asset that could grow and compound over time? I began to see my as-yet-unnamed Second Brain not just as a notetaking tool but as a loyal confidant and thought partner. When I was forgetful, it always remembered. When I lost my way, it reminded me where we were going. When I felt stuck and at a loss for ideas, it suggested possibilities and pathways.
