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The 100-Hour Rule: Unlocking Your Potential, 18 Minutes at a Time

Questions:

  1. What is the “stone wall” you want to build in your life, and what small daily action can you commit to laying the foundation?

  2. If you started today with just 18 minutes of focused effort, where could you be a year from now, and how would that change your future?

  3. What’s one past success that came from small, consistent efforts, and how can you apply that lesson to a new goal?

  4. What's that nagging thing at the back of your mind that you've always wanted to learn or improve?

The 100-Hour Rule: Unlocking Your Potential, 18 Minutes at a Time

There once was a farmer who lived in the wilderness. In the evening animals would visit and often take away some of the families precious livestock. To protect his animals, he thought about his birth city and remembered the giant walls protecting it. Then it hit him, “I should build a stone wall around my land and we’d all be safe.” Each day, he picked up a single stone and carefully placed it on the ground, then later on top of other stones. To passersby, it seemed like an insignificant act—one stone wasn’t much. Seemed even silly to others as they watched day after day. But every day, without fail, he placed another stone. One at a time, he stacked the brick. By the end of the year, the wall was complete, by the end of year five, he’d built a castle, and years later, visitors from all around would come to marvel at the kingdom build by one man. What had seemed like a monumental task was accomplished through the power of consistency. I’ve read that Rome wasn’t built in a day, and that is true and they did lay brick every day.

This parable reminds me of the 100-Hour Rule. The rule is simple: dedicating just 18 minutes a day to any one activity adds up to 100 hours over a year. That’s enough time to make extraordinary progress in any area of your life. Supposedly, if you will spend 18 minutes a day on any one task, by the end of the year you’d be more proficient than 95% of the world’s population at that skill.

But what if we dream even bigger? Let’s connect this concept to the groundbreaking work of psychologist Anders Ericsson, whose research into expertise formed the basis of the now-famous 10,000-Hour Rule popularized by Malcolm Gladwell in his best-selling book ‘Outliers.’

“The man who moves a mountain begins by carrying away small stones.”

– Confucius

Anders Ericsson’s study revealed that achieving mastery in any field—whether it’s playing an instrument, excelling in a sport, or becoming a top professional—requires approximately 10,000 hours of deliberate practice. Deliberate practice is not just repetition; it involves focused, goal-oriented efforts aimed at improving specific aspects of a skill.

However, not everyone is aiming for mastery at the highest level. Most of us want to excel in ways that improve our lives, careers, or passions. This is where the 100-Hour Rule shines—it offers an accessible and practical starting point. While 10,000 hours might feel overwhelming, 100 hours or better, 18 minutes a day provides a manageable framework to create meaningful progress without burnout.

For example, when I trained for my first marathon, the idea of running thousands of hours seemed impossible with my schedule. But dedicating 18 minutes a day felt achievable—and it was. Those 18 minutes turned into miles, and eventually, those miles turned into a marathon finish line.

The 100-Hour Rule is not a shortcut to mastery but a bridge to noticeable improvement and momentum. It’s the starting point for building something greater, stone by stone.The beauty of the 100-Hour Rule is that it applies to almost anything. Here are some ways to embraced it, and weave it into your busy life:

This year, I've decided to learn the piano alongside with Shanna and the kids. We fight over who get's to play it and yet only 18 minutes allows us all to share, which then leaves me time to proactive  my exceptional (exceptionally bad) DJ skills on the mixer. I'll be filming progress and posting it on YouTube and Facebook. One year from now I'll update the videos with before and after..

Last week I read, if you asked any 1500 people at ransom how many books they’ve read in the past year, 46% would say zero. While I’ve not conducted my own research on this topic, I can imagine it’s true. Consider, if you spend just 18 a day reading, you’ll finish a 6-hour book every 20 days resulting in 15-20 books read a year. Is that more or less than you’ve read in the past year.?

What if your goal is to learn another language? Yeah, okay well let’s have some realistic expectations. That one according to the Kaplan Institute may take 500-600 hours to master well enough t carry a conversation. The bricks you’d need to stack would change to an hour and a half daily and within a year, you’d have added another language to your knowledge base.

The River and the Rock

Which is stronger, a river or a rock? The rock is strong, hard, and immovable yet we all know it stands no chance agains the power of water. A river doesn’t wear down a rock through force but through steady, persistent flow. Over time, what once seemed immovable becomes smooth and transformed. That’s the power of consistent effort.

When I began training for marathons, I felt like the rock—stiff, immovable, and unsure of how to start. However, with each daily run, no matter how short, I could feel the water shaping me. That same principle applies to learning new skills, improving your health, or even strengthening relationships.

How to Start Your Own Journey

  1. Choose Your Stone: What’s your wall? Whether it’s learning a language, improving your fitness, or reading more, choose one thing to focus on.

  2. Lay One Stone a Day: Dedicate 18 minutes daily to your goal. Block it on your calendar, and make it a non-negotiable part of your routine.

  3. Trust the Process: The farmer didn’t build his wall overnight, and neither will you. But with time, you’ll look back and marvel at what you’ve accomplished.

  4. Celebrate Milestones: Acknowledge your progress along the way. Every stone you place brings you closer to your goal.


“Water cuts through rock, not because of its power, but because of its persistence.” – Jim Watkins


The 100-Hour Rule is proof that big dreams don’t require giant leaps—they require consistent, focused steps. Whether you want to run a marathon, master a new skill, or deepen your relationships, 18 minutes a day can transform your life. As a parent, business owner, spouse, endurance runner, I’ve built my own "stone walls" one small effort at a time. And just like the farmer, I’ve seen those walls stand strong, built by persistence and love.of the process and journey.

What will be your 100 hours this year?