100% Trap: The Smartest Mistake You Didn’t Know About — Perfectionism

Oct 28, 2025 14 min read --

A Ghost in the System The Trap of Perfectionism

How to Handle Criticism Like Steve Jobs: 4 Psychological Steps to Protect Your Inner Self

Oct 28, 2025 13 min read --

Have you ever had an experience like Anna’s? Anna, a competent project manager, recently received an email full of praise for a successfully completed project. It honored the whole team’s efforts. Yet within that praise-filled message, one sentence stuck in her eyes: “For the next presentation, it would be better to …

The Trap of Blind Optimism: Lessons from the Challenger, Kodak, and 3 Strategies to Overcome It

Oct 28, 2025 12 min read --

Your thesis deadline is in a week, yet the Word document remains empty. Still, you feel relaxed, telling yourself, “I’ll just finish it over the weekend.” The memory of barely submitting last semester’s paper 10 minutes before the deadline feels like someone else’s problem. This is the most common face of blind …

The "It's All My Fault" Reflex: Overcoming the Cognitive Distortion of Personalization

Oct 27, 2025 13 min read --

Have you ever received a short, one-line reply from your boss and immediately thought, “This is all my fault”? This self-blaming tendency is known as personalization, a type of cognitive distortion. I believe it can be mitigated through a 4-step cognitive restructuring process that examines evidence and exercises in …

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Stop Social Media Comparisons! Psychological Skills to Build Your Own Wealth Formula

Oct 16, 2025 13 min read --

Modern individuals navigating their own paths amidst a multitude of financial choices

The Only Way to Beat Algorithms: Drive a 4WD Truck, Not an F1 Car

Sep 23, 2025 8 min read --

Image of various economic indicators

Invisible Wealth: The Art of Buying Freedom, Not Show

Sep 16, 2025 7 min read --

One Afternoon in Gangnam: A Ferrari Imagine a sunny weekend afternoon where you are sitting by the window of a café in Gangnam, enjoying your coffee. Suddenly, a dazzling red Ferrari glides to a stop by the roadside, its engine roaring like a heartbeat. All eyes in the café naturally turn towards it. The car door …

The Most Realistic Way for Ordinary You to Become Rich: Rediscovering the Savings Rate

Sep 15, 2025 7 min read --

Two Friends, Different Destinies Here is a story about two friends who could easily be found around us. A: A ‘wizard of returns’ envied by everyone, boasting an astonishing 20% annual return, but due to a lifestyle of spending as much as he earns, his savings rate remained at 10%. B: In contrast, B is an ordinary …

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The Paradox of Ferrari: Is What You Envy the Car or Freedom?

Sep 15, 2025 10 min read --

The Question Raised by the Red Ferrari in Gangnam As dusk falls, a street in Seoul’s Gangnam is filled with people burdened by the day’s fatigue. Amidst the gray buildings, a magnificent engine roars, and a dazzling red Ferrari appears. At that moment, the footsteps of passersby pause, and their gazes converge. That …

Coffee, Capturing the Era

Sep 11, 2025 12 min read --

From the Age of Speed to the Age of Stories A contrasting image with yellow-packaged coffee mix on the left and a carefully brewed cup of specialty coffee on the right

The Psychology of Money: Two Mountains

Sep 11, 2025 11 min read --

The Two Peaks Before You As an old captain who has navigated the sea of investments for a long time, I always see two massive mountains before me.

Enough According to The Psychology of Money: 3 Steps to Draw Your Own Finish Line

Sep 10, 2025 8 min read --

The joy of holding an acceptance letter or a new car key rarely lasts more than a few days. In 『The Psychology of Money』, Morgan Housel attributes this to the lack of a standard for ’enough.’ Because hedonic adaptation and social comparison keep pushing the goal line further, the solution lies in drawing your own …

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Navigating Money, Luck, and Risk

Sep 10, 2025 10 min read --

The Secret Map of Great Navigators Have you ever felt your heart race at the stories of legendary explorers? Like Columbus, who crossed unknown seas to discover a new continent, or Magellan, who successfully circumnavigated the globe. We admire their genius in navigation and indomitable courage in the face of their …

Seongshimdang, 70 Years of a Promise of Love

Sep 10, 2025 9 min read --

The Miracle of Daejeon, the Bakery with a Line Have you ever been to the city of Daejeon? If you visit the bustling area of Eunhaeng-dong, you will encounter a fascinating sight. Regardless of rain or snow, there is a store with an endless line stretching from morning to evening. This is not a line for the latest …

The Secret of Wealth Created by Time

Sep 10, 2025 8 min read --

The Illness of Impatience Friend, have you ever wandered through such darkness? “When will I finally be free from this relentless worry about money?” This is a shadowy question that resides in all our hearts.

Black Tears, Golden Seeds: A History of Coffee

Sep 09, 2025 13 min read --

The Secrets of Seeds That Changed the World Once upon a time, it was not only great empires or kings that moved the world. Small and seemingly insignificant things often changed the course of history. Just like salt, pepper, and sugar. Perhaps the civilization of humanity is a record of the immense desire to obtain …

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Oil, the Black Myth: A 150-Year History of Power Struggles

Sep 09, 2025 10 min read --

The keyboard on your desk, the soles of the sneakers you’re wearing, the cap of the water bottle you just drank from.

The Day AI Wins the Nobel Prize in 2035

Sep 09, 2025 6 min read --

October 2035, Silence in Stockholm Have you imagined a day when the Nobel Prize, awarded to humanity’s greatest intellect, goes to a machine instead of a person? On a Monday in October 2035, the auditorium in Stockholm, Sweden, became the stage for such a historical moment. As the world held its breath, the name …

What Is the Price of Your Soul?

Sep 09, 2025 9 min read --

The Demon Who Knows Your Deficiencies Now, please take a seat. Close your eyes for a moment and think of your deepest desire. Is it a large sum of money that could instantly solve the soaring loan interest and harsh reality? Or is it power and honor that cannot be ignored by anyone, or wisdom that penetrates all …

5 Steps to Navigate Your Thoughts

Sep 08, 2025 9 min read --

Have you ever gone to bed saying, ‘I will definitely wake up early to exercise tomorrow!’ only to hit the snooze button without a moment’s hesitation in the morning? Or have you sat down to write an important report, only to find yourself clicking on news articles without even realizing it?

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The Black Semiconductor of the Sea: The Story of Seaweed

Sep 07, 2025 8 min read --

The Great Paradox of a Small Seaweed What is the first side dish you reach for when you open your lunch box? Many of you might think of the black, salty ‘seaweed.’ This small seaweed, which has been a humble side dish for a long time, has now become the ‘black semiconductor of the sea,’ recording over 1 trillion won in …

It's Okay to Take a Break: In Search of Lost Leisure

Sep 04, 2025 5 min read --

People Who Have Lost Their Pause A black and white photo of modern people packed in a subway with tired expressions. Outside the window, the vibrant city night view passes by.

Standing Still is Not Stopping

Sep 04, 2025 5 min read --

An Endless Race Our surroundings feel like a giant treadmill. “Fourth Industrial Revolution,” “Artificial Intelligence,” “Big Data”… The speakers continuously urge us to increase our speed. With the anxiety of falling behind, we run and run until we can barely breathe.

The Blueprint of Happiness Discovered at the End of the World

Sep 04, 2025 6 min read --

The End of Civilization, The Beginning of Emotions The world was engulfed in a massive silence. The skyscrapers that once boasted of human greatness lay scattered like broken teeth towards the sky. For the survivor ‘Jun’, happiness became a word akin to an ancient artifact that might be found in a museum. Everything he …

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The Librarian Who Reads Preferences

Sep 04, 2025 4 min read --

Ji-hye’s Happy Dilemma There is a newly opened library in a small town. Ji-hye, the librarian, has one goal: to ensure that everyone who visits the library discovers their own ’life-changing book’ and leaves satisfied.

The Long Debate in the Golden Box

Sep 04, 2025 6 min read --

Opening the Freezer of Memories Golden Excellent Ice Cream Box.

The Right to Work-Life Balance

Sep 04, 2025 5 min read --

A Day in the Life of Ji-hye, the ‘Professional Overtime Worker’ Office desk with a monitor light on late at night and a cold coffee cup

Valuable Emotions of Our Time. How Much Are Your Emotions Worth?

Sep 04, 2025 6 min read --

How Much Is Your Smile Worth? From the moment we wake up and prepare for work in the morning, we don an invisible mask. The awkward yet friendly smile we offer to a neighbor in the elevator, the calm expression we maintain while saying “It’s okay” after being stepped on in a crowded subway, and the cheerful voice of a …

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Another Me Lives Inside My Body

Sep 03, 2025 4 min read --

Reading My Body in Numbers “Oh? I’ve only walked 300 steps today. I should get off the subway one stop early and walk.”

HACCP: The Food Safety Guardian from Space

Sep 03, 2025 4 min read --

Hello, everyone! Today, I want to share an interesting story behind the ‘HACCP’ mark that we often encounter every time we shop at the grocery store. Did you know that this mark actually started far away in space? Like a movie plot, let’s follow the journey of how HACCP, born to protect the safety of astronauts, became …