Documents

Sojin Park

Introduction
Equipment
Triathlon
Running

Recently updated

Icheon Seolbong Triathlon
Goodhart's Law
Leaving Jamsil
If I'm not good at it, I just need to do more
Lotte Aquathlon

2026

Articles

Reasons I Like McDonald's Breakfast
If I'm not good at it, I just need to do more
Leaving Jamsil

Races

Daegu Triathlon
Goseong IRONMAN 70.3
Lotte Aquathlon
Icheon Seolbong Triathlon

Travel

Nha Trang
Jeju Island

Places

Teppan
Morning Calm Arboretum

Readings

The Future That Came First
A Honeymoon Five Years Late

Miscellaneous

Road Bike vs. TT Bike
Goodhart's Law

2025

Articles

I want to be warm-hearted
A Simple Life
Why I Love Running and Swimming

Races

Iksan Triathlon

Travel

Tokyo
Sapaesan
Poland
Okinawa
Sokcho

Other

Cognitive Prompting
The Super Mario Effect
Marathon Training

2024

Books of 2024

Articles

Ten Months in Jamsil
Pure Fun, Obligation, and Addiction
Let's Accept Things As They Are
Deleting Coupang
Beautiful Weather
I Want to Build a City
Cutlery
Experiential Spending
Robot Vacuum Cleaner

Books

Linux Just for Fun
Vegetarian

Travel

Tokyo
Damyang
Daejeon
Sejong
Jecheon
Namhae
Sapporo
Sokcho
Fukuoka

Places

Jigu Shop
Dongjak Cloud Café
Boccalino

Movies

Whiplash

Miscellaneous

How to Easily Put a Cover on a Duvet
Proceduralism and Functionalism
TEKLA
Dethroning Naver
Novak Djokovic's Self-Discipline
Cursor IDE
Hard Potion Makgeolli
Competition for a Limited Number of Seats
A Society That Tolerates No Failure
4 Reasons It Has Become Easier to Start an IT Startup
18 Mistakes That Kill Startups
How to Become Poor
The Right Kind of Persistence
Conditions for Effective Reflection
Algebra
Boolean Algebra
Peter's Principle
The Paradox of Brushing Your Teeth
PassKey
Retirement Pay

2023

Books of 2023
2023 Retrospective

Articles

What I Don't Say
Finding a Place to Live in 2023
Mini Cooper S Convertible
Leisure?
Housework
Shower Booth
A Park in the Heart of the City
Cooking
A Regular Life
Phones and Time
Why Does 1+1 Equal 2
Cooking I've Grown Used To
Buying a Comforter
Between Regularity and Monotony
A Life with a Story
Regret, Shame
Telling My Own Story
If You Want to Go Fast, Go Alone; If You Want to Go Far, Go Together
Pain is hard to avoid, but suffering is a choice
While Buying a Padded Jacket
Contracts and Vows
Cutting Out Caffeine

Concepts

Worse is better
Stock Options

Travel

Egypt
Taiwan
Tokyo
Cheongsong
San Francisco

Places

Kkangttong Mandu
Sound Cafe Sori
Sannooru Samsung Branch

Miscellaneous

What You Learn from Watching Hearthstone
Don't Focus on Vitamin D

2022

Books

Zettelkasten

Concepts

Zettelkasten
Signal-to-Noise Ratio
The 3 Elements of Motivation
Linearization Fails
Two-Factor Theory

Travel

Iceland
New York
Sokcho
Dubai

Miscellaneous

Efficiency from Constraints
Exclusivity and a Blaming Attitude Are Poison

2021

Travel

Liverpool
London
Scotland

Tokyo

January 1, 2025

January 2025.

Tokyo over the New Year holidays. Akasaka, Marunouchi, Kamakura, Azabudai Hills

1 / 20

Sojin Park

Introduction
Equipment
Triathlon
Running

Recently updated

Icheon Seolbong Triathlon
Goodhart's Law
Leaving Jamsil
If I'm not good at it, I just need to do more
Lotte Aquathlon

2026

Articles

Reasons I Like McDonald's Breakfast
If I'm not good at it, I just need to do more
Leaving Jamsil

Races

Daegu Triathlon
Goseong IRONMAN 70.3
Lotte Aquathlon
Icheon Seolbong Triathlon

Travel

Nha Trang
Jeju Island

Places

Teppan
Morning Calm Arboretum

Readings

The Future That Came First
A Honeymoon Five Years Late

Miscellaneous

Road Bike vs. TT Bike
Goodhart's Law

2025

Articles

I want to be warm-hearted
A Simple Life
Why I Love Running and Swimming

Races

Iksan Triathlon

Travel

Tokyo
Sapaesan
Poland
Okinawa
Sokcho

Other

Cognitive Prompting
The Super Mario Effect
Marathon Training

2024

Books of 2024

Articles

Ten Months in Jamsil
Pure Fun, Obligation, and Addiction
Let's Accept Things As They Are
Deleting Coupang
Beautiful Weather
I Want to Build a City
Cutlery
Experiential Spending
Robot Vacuum Cleaner

Books

Linux Just for Fun
Vegetarian

Travel

Tokyo
Damyang
Daejeon
Sejong
Jecheon
Namhae
Sapporo
Sokcho
Fukuoka

Places

Jigu Shop
Dongjak Cloud Café
Boccalino

Movies

Whiplash

Miscellaneous

How to Easily Put a Cover on a Duvet
Proceduralism and Functionalism
TEKLA
Dethroning Naver
Novak Djokovic's Self-Discipline
Cursor IDE
Hard Potion Makgeolli
Competition for a Limited Number of Seats
A Society That Tolerates No Failure
4 Reasons It Has Become Easier to Start an IT Startup
18 Mistakes That Kill Startups
How to Become Poor
The Right Kind of Persistence
Conditions for Effective Reflection
Algebra
Boolean Algebra
Peter's Principle
The Paradox of Brushing Your Teeth
PassKey
Retirement Pay

2023

Books of 2023
2023 Retrospective

Articles

What I Don't Say
Finding a Place to Live in 2023
Mini Cooper S Convertible
Leisure?
Housework
Shower Booth
A Park in the Heart of the City
Cooking
A Regular Life
Phones and Time
Why Does 1+1 Equal 2
Cooking I've Grown Used To
Buying a Comforter
Between Regularity and Monotony
A Life with a Story
Regret, Shame
Telling My Own Story
If You Want to Go Fast, Go Alone; If You Want to Go Far, Go Together
Pain is hard to avoid, but suffering is a choice
While Buying a Padded Jacket
Contracts and Vows
Cutting Out Caffeine

Concepts

Worse is better
Stock Options

Travel

Egypt
Taiwan
Tokyo
Cheongsong
San Francisco

Places

Kkangttong Mandu
Sound Cafe Sori
Sannooru Samsung Branch

Miscellaneous

What You Learn from Watching Hearthstone
Don't Focus on Vitamin D

2022

Books

Zettelkasten

Concepts

Zettelkasten
Signal-to-Noise Ratio
The 3 Elements of Motivation
Linearization Fails
Two-Factor Theory

Travel

Iceland
New York
Sokcho
Dubai

Miscellaneous

Efficiency from Constraints
Exclusivity and a Blaming Attitude Are Poison

2021

Travel

Liverpool
London
Scotland