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Well, I'm standing here today because someone asked me to speak and I was too damn old to come up with a good reason to say no. But that's precisely what I want to talk to you about. The immense, underappreciated power of saying no. The world is drowning in bad ideas, and most people's lives are too. You've probably driven by one of those all-you-can-eat buffets where people are loading up their plates with mediocre food just because it's available. Most people live their entire lives that way, saying yes to everything that comes along. It's a catastrophic way to allocate your time and attention.
Let me start with the simple idea from economics that most people completely fail to internalize opportunity cost. Every time you say yes to something, you are automatically saying no to something else. That something else might be vastly more valuable, but most people never consider it. At Berkshire, Warren and I have turned opportunity cost into an art form. We measure any potential investment against the best other use of that capital. It sounds elementary, but, uh, you'd be shocked how few people actually do this. They get excited about some new proposition without asking, "What's the best thing I'm giving up to do this?"
I remember back in the 1970s when Warren and I looked at See's Candies. We paid $25 million, which seemed like a lot of money at the time, but we asked ourselves, "What's the opportunity cost?" We couldn't find a better use for that capital, so we bought it. That business has produced over $2 billion in pre-tax income since. Not bad for a $25 million investment. But we would have walked away in a second if we'd had a better alternative.
Now, extend this thinking beyond just money. Your attention, your time, your relationships—these are all scarce resources with enormous opportunity costs. When you say yes to that committee nobody wants to be on, you're saying no to reading a book that might change your thinking forever. When you say yes to that mediocre business deal, you're saying no to the possibility of finding an excellent one later.
Most people find it terribly difficult to say no. Why? The reasons are deeply rooted in our psychological misjudgments. Let me count the ways we fool ourselves. First, we suffer from social proof. We see others saying yes, so we think we should, too. "Everyone's investing in crypto. Well, I better get on board." Absolute nonsense. The majority is often wrong, and spectacular opportunities come from seeing what others miss, not from following the herd.
Second, we fall victim to contrast bias. A proposition looks good compared to something terrible, so we say yes without comparing it to all possible alternatives. This is how people end up in mediocre jobs and mediocre marriages. They compare what they have to nothing rather than to the best alternative.
Third, we overvalue the immediate and undervalue the future. Psychologists call this hyperbolic discounting. Most people will take $10 today over $15 next week. Scale that up, and you see why people make catastrophic decisions that feel good momentarily.
Fourth, we hate to disappoint others. We're social animals, and saying no feels like creating social friction. Well, I've got news for you. A life without the ability to disappoint others is a life without integrity or achievement. I've been called a curmudgeon more times than I can count. Anything that bothers me? Not in the slightest.
Some of the most successful people I know have elevated saying no to an art form. Charlie Munger is incredibly good at this. His calendar is so empty it would terrify the average CEO. That's not an accident. It's design.
One of my favorite thinking tools comes from the mathematician Carl Jacobi. "Invert, always invert." Or worse. If you want to succeed, start by identifying all the ways you could fail and then avoid them. Want a miserable life? Say yes to everything that comes your way. Want to squander your capital? Chase every investment idea that sounds exciting. Want to have no significant achievements? Spread yourself too thin across dozens of commitments. Now, invert that thinking. Most success comes from avoiding obvious stupidity rather than seeking brilliance. I haven't succeeded by being some extraordinary genius. I've succeeded by recognizing obviously bad ideas and saying no to them.
We famously missed Google and Amazon at Berkshire. People love to point that out. What they miss is all the thousands of other technology investments we said no to that would have been disastrous. We stayed within our circle of competence. And that discipline, that ability to say no even when others were getting rich quickly, has served us well over decades.
I notice a "wall of Palooza" effect when it comes to focus. When multiple mental models converge around the importance of saying no, you better pay attention. Look at mathematics. The most productive mathematicians typically work on only one problem at a time with intense focus. Look at Warren Buffett. He reads for five or six hours daily, focusing on understanding businesses deeply rather than scattering his attention. Look at any master in any field; you'll find someone who has said no to almost everything except their craft.
I sometimes tell people about Johnny Carson. He was on television just once a week. He wasn't doing six different shows. He did one thing, and he did it very well. People would pay massive amounts of money for just a few minutes on his show because he had focus. He said no to everything else. That this discipline of focus, this hard-edged, almost ruthless ability to say no, is what separates the achievers from the dreamers.
Now, saying no isn't just about stubbornness. You need a framework. At Berkshire, we have simple filters that automatically generate "no" to most things that come our way. Is it within our circle of competence? If not, no. No. Does it have a durable competitive advantage? If not, no. Are the managers honest and capable? If there's any doubt, no. Is the price reasonable? If not, no. Notice that all of these have to be "yes" for us to proceed. One "no" kills the deal. This is a filtering system, not a weighing system. Most people make the grave error of thinking they should weigh pros and cons. That's not how good decisions work. You need filters that remove bad options quickly.
I recommend you develop your own set of "no" filters for both your business and personal life. Mine include: Will this activity allow me to learn something useful? If not, no. Is this person honest? If I have doubts, no. Am I doing this out of envy or for approval? If yes, then no. Will this compound positively over time? If not, no. These aren't complicated, but they've saved me from countless errors. The best part is, once you internalize these filters, saying no becomes automatic. You don't waste mental energy on decisions that don't deserve it.
There's an idea from physics that applies here: potential energy. When you say no to distractions, you're storing up potential energy that you can direct toward your few carefully chosen "yeses." Consider the difference between two hypothetical investors. The first says yes to every hot tip and exciting story. He's constantly churning his portfolio, paying taxes and commissions, chasing whatever is working at the moment. The second carefully selects just a few exceptional businesses, buys them at reasonable prices, and then sits on his ass. I, uh, I don't have to tell you which one ends up with, with more money. We've made most of our money at Berkshire by sitting on our asses. That's the power of selective discipline. Say no to almost everything, then really commit to the few things you say yes to. This same principle applies far beyond investing.
Now, the most successful people I know are incredibly selective about where they deploy their time and energy. They say no to almost everything, which leaves them free to pursue the few opportunities that really matter. There's a terrible affliction going around these days that you young people call FOMO, fear of missing out. It's not a new psychological weakness; it's just a new name for an ancient form of financial and personal suicide. This desperate need to be in on everything, to never miss an opportunity, is exactly how you ensure mediocrity. The iron rule of life is that you can't do everything. Excellence requires sacrifice. Every great achievement in history came from someone who was willing to miss out on other things.
At Berkshire, we've missed out on countless fortunes. I already mentioned Google and Amazon, at Microsoft, Apple in its early days, and many others to that list. Did that hurt us? Not at all. We still compounded over 20% for decades by focusing on what we understood and saying no to everything else.
Another cognitive trap is what psychologists call the bias toward action. People have a terrible tendency to think they need to do something when, often, the best course is to do nothing. In investing, this manifests as overtrading. In business, it's constant reorganization, strategic shifts. In personal life, it's the inability to simply sit quietly and think. I found that the highest returns in life come from being very active in learning and thinking, but relatively inactive when it comes to doing. Most people have it backward. They're intellectually lazy but hyperactive in their decision-making. Invert that pattern if you want better results.
I've often said, "Show me the incentive, and I'll show you the outcome." The modern world is designed to make saying no as difficult as possible. Every app, website, and business is engineered to capture your attention and get you to say yes. The reason is simple: their incentives aren't aligned with yours. They make money when you say yes, not when you make good decisions. Social media wants your constant engagement. Retailers want you buying things you don't need. Investment banks want you trading, not thinking. You must understand these incentive structures and actively fight against them. I've always found it useful to ask, "Who's getting rich if I do this, and how?" This misalignment of incentives isn't new, but it's more pervasive and sophisticated than ever before. You know, learning to say no in this environment isn't just useful; it's survival.
One of the least understood concepts in modern life is the idea of slack. Having excess capacity in your system. Most people schedule every minute, commit every dollar, and use every square foot of their homes. This seems efficient, but it's actually terribly fragile. By saying no to filling your life with capacity, you create room for opportunity, thinking, and serendipity. This is how Berkshire always maintained a significant cash position. It looked inefficient to finance professors, but it meant we could act quickly when opportunities arose, like during the 2008 financial crisis. Apply this to your personal life. Keep some time unscheduled. Maintain some financial reserves. Don't fill your house with junk. This slack in your system, created by saying no to non-essential things, becomes your competitive advantage. I've known many bright people who sabotaged themselves by never creating the slack. They were always too busy to recognize great opportunities when they appeared.
I'll conclude with this paradox. The ultimate purpose of saying no isn't negative. It's to make room for the vital few "yeses" that will define your success and happiness. The world tries to complicate this simple truth. It wants you distracted, scattered, and saying yes to everything. The path to any worthwhile achievement runs directly away from this mindset. I'm nearly 100 years old. Looking back, my happiest moments and biggest successes didn't come from saying yes to everything. They came from ruthlessly eliminating distractions and going all-in on the few things that really mattered: building Berkshire with Warren, spending time with my family, reading great books, working with people of high integrity.
So, I'll leave you with this. Develop the habit of saying no. Make it your default response. Get comfortable with disappointing people in small ways so you can avoid disappointing yourself in large ways. Protect your time, your attention, and your capital as the precious resources they are. And when you do find those rare opportunities that deserve a "yes"—those opportunities that pass through all your filters and align with your strengths—commit without reservation. Say yes so rarely and so selectively that when you do, it carries the full weight of your undivided focus and energy. After all, the ultimate test of your wisdom and discipline isn't what you achieve. It's what you have the courage to give up along the way.
Well, I've talked long enough, and of my age, I have to conserve my energy. I have nothing to add. Thank you.
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