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The growth equation NEWSLETTER

Weekly insights on the art and science of performance and well-being. Join over 15,000 subscribers and unlock your full potential with our weekly newsletter. Every Thursday, we share original articles and interesting links on performance and well-being, along with practical tips on how you can apply it to your own life. Our goal is simple: To help you get better and feel better, whatever your craft may be.


“Better” Means Stronger, Kinder, and Wiser


A while back, I sent a tweet out into the internet that read: “Don’t compare yourself to others, compare yourself to prior versions of yourself.” It spread far and wide, but not everyone loved the message. A handful of folks questioned whether we should be…

The Fascinating Science of Belief

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Marathon season is here, which means runners across the country are obsessing over how they can make even the most marginal performance gains. Although I’m skeptical of supplements, there is one that boasts a strong record of effectiveness, carries virtually…

In Fitness — as in Life — Patience is a Virtue

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Recently, there’s been a surge in the popularity of workout programs, like P90x and ClassPass, which are based on “muscle confusion,” or the premise that constantly switching up your workout routine — i.e., “confusing” your muscles — is the pathway to fitness…

A 1970’s Book About Tennis is About Far More than Tennis

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Perennial Super Bowl–winning hero Tom Brady is merely the latest in a long line of sporting legends — including Steve Kerr, Pete Carroll, and Billie Jean King — who credit a little book about tennis with helping them to stay cool, calm, and collected under pressure. The book, called The…

Love is An Ongoing Practice

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I make a living coaching and writing on passion and peak performance. I know that medals won, deals closed, and promotions earned all feel nice. But I’m increasingly coming to think that if your primary goal is a long, happy, and…

Three Secrets to Performing at Your Highest Level

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It’s one thing to reach the top of a mountain. It’s another thing to stay there for a long time, through good weather and bad. Serena Williams, Tom Brady, Lebron James, and Diana Taurasi are all notable examples of elite performers…

Finding Balance in Life Is Easier Than You Think

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As an athlete, if you want to continuously improve, then you have to change up your training on a somewhat regular basis.But, equally problematic, if you introduce too much stimulus and challenge too frequently, you’re liable to get injured or burn…

Having a Mantra Will Make You Better

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Buddhism, Stoicism, and Taoism all teach adherents to repeat particular chants or mantras to steady the mind. Only recently, though, have researchers begun to look into the power of this practice. A 2015 study published in the journal Brain Behavior described research in which participants…

You Don’t Always Need to be Super Productive

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Danielle Steel is a novelist who has written 179 books. She writes seven books annually, rarely sleeps more than five hours a night, and works every day of the year, save a single week of vacation. Steel’s work has been read by hundreds of thousands…

David Epstein Makes the Case for Being a Generalist

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In 2014, science writer David Epstein rocked the sports world with his debut book, The Sports Gene, which uncovered the vast impact of innate talent on athletic performance and showed readers how they could nurture their nature. The book debunked the then-celebrated 10,000-hour…

5 Lies You’ve Been Told About “Following Your Passion”


A few years ago, when I began to focus more on my writing career, my mom, a former writer herself, gave me a book titled Passion: Every Day. It was filled with inspiring quotes like “I dare you, while there is still…

Use the KonMari Method to Tidy Your Mind

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There’s growing evidence that a cluttered home or workplace is a stressful one. A recent DePaul University study found that physical clutter is linked with procrastination and, in turn, lower life satisfaction. Other research shows that clutter is associated with elevated levels of the…

The Two Keys to Forming Habits—and Making Them Stick

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Over the past decade or so, there’s been a steady stream of science about your habits. Much of this has been detailed in bestselling books like The Power of Habit and Atomic Habits. The gist is that human behavior follows a predictable cycle:…

The 9-Word Ultimate Fitness Manifesto


n Monday, the U.S. Department of Health and Human Services released new physical activity guidelines for the first time in ten years. They recommend that adults get at least 150 minutes of physical activity per week, which is unchanged from the last…

Walking Might Be the Best Exercise There Is


Hard to beat this simple movement, according to science anyways.