03/05/2026
I once spent an entire Sunday afternoon arguing with someone in my head. A conversation that hadn't happened. About a thing they probably didn't even remember. I lost the argument, by the way. In my own imagination. On a sunny day when I could have been outside.
That's not thinking. That's a disease.
And apparently, according to Ryunosuke Koike, former Buddhist monk, current master of Tsukuyomi Hall in Japan, and author of this tiny but mighty book, I'm not alone. Most of us are walking around with a brain that's basically a runaway train, and we've convinced ourselves that this is just what being human feels like.
It's not. And The Practice of Not Thinking is here to prove it.
First, the title is a little misleading. Koike isn't asking you to become a brain-dead cabbage. He's asking you to stop worshiping every thought that floats through your head like it's a sacred message from the universe.
Most of your thoughts, he argues, are not profound. They're not helpful. They're not even real. They're just habits. Loops of desire, anger, and uncertainty that play on repeat because you've never learned how to step off the track.
The book is 144 pages. Short. Brutal. To the point. No fluff. No "close your eyes and visualize a peaceful meadow." Just a former monk telling you, sometimes gently, sometimes not, that you are the source of most of your own suffering.
4 Lessons That Followed Me Around:
1. Most of your thinking is just worry in a business suit.
Koike asks a question that stopped me cold: Is this thought helping me solve an actual, present-moment problem? Or is it rehearsing the past or inventing a future?
If it's the second one, it doesn't deserve your attention. This wrecked me because I've always believed that worrying is a form of caring. That if I stopped thinking about a problem, I was being irresponsible. Koike says no, worrying is just a bad habit. It feels productive. It isn't. The real work isn't solving every problem in advance. It's learning to tolerate uncertainty without spinning out.
2. Your body is smarter than your brain.
Koike isn't a fan of abstract thinking. He wants you in your senses. Right now. Not after you figure everything out. His argument: your body lives in the present. Your mind lives everywhere else, past regrets, future anxieties, alternate realities where you said the perfect comeback. When you drop into a sense, touch, sound, breath, taste, you're pulling yourself back to the only moment that actually exists.
3. Stillness is not emptiness. It's home.
This is the heart of the book for me. Koike writes that we've become addicted to busyness. We fill every silence with a podcast, every waiting moment with a scroll, every uncomfortable feeling with a distraction. We've forgotten how to just be.
But here's the thing he wants you to know: the peace you're looking for isn't at the end of your to-do list. It's not hiding behind the next promotion or the next relationship or the next vacation. It's available right now. In the pause between thoughts. The mind that never rests isn't sharp. It's exhausted.
4. Wanting less is not deprivation. It's freedom.
This is where Koike gets controversial. He argues that most of our suffering comes from wanting things to be different than they are. Not just big things, little things. The temperature. The traffic. The way someone said hello. We're constantly fighting reality, and we're exhausted from the fight.
His solution? Stop fighting. Not in a passive, give-up way. In a strategic, save-your-energy-for-what-matters way. Does that mean you can't want a better job or a healthier body? No. But it means you stop making your happiness conditional on getting them. You do the work. You let go of the outcome. And you notice that you're okay either way.
Peace doesn't arrive when life calms down. It arrives when you do. Now go outside. Feel the air. Stop arguing with people in your imagination. You're allowed to just be.