Blog

How a graduate school question, a philosophy of deep work, and an obsession with pricing puzzles led me to build this little corner of the internet.

An intelligent flashcard system that optimizes learning through scientifically-backed spaced repetition algorithms, designed to help students master complex academic concepts more effectively.

Today, let's dive into Steven Pressfield's trilogy: Despite being know primarily as a fiction writer, Steven Pressfield wrote these three non-fiction books based on his own experience in becoming a true professional writer. The War of Art was his first non-fiction work, published in 2002. Within the following ten years, he published two related non-fiction works.

It was 5:20 AM on a Thursday morning when I arrived at the gym for my daily workout. As I entered, I noticed something unusual – our trainer was nowhere to be seen. This rarely happened in the four years since I joined this gym, and today’s session required precise timing for our movement exercises.… Continue reading When Nobody Leads, Lead

I can still hear my father's serious tone as he repeated,

Recently, I’ve become increasingly intolerant of wasting my time. Whenever I spend time without doing anything meaningful, I start feeling annoyed and stressed. My wife says she can tell from my facial expression. I don’t want to waste a single minute. An hour or a day is unthinkable. I’ve been contemplating why this is the… Continue reading The 24-Hour Currency: Redefining Time Waste and Worth

Introduction: A Commitment to Greatness Before I dive into my reflections on Richard Hamming’s insightful talk, “You and Your Research“, I want to start by posing three critical questions to myself: These questions are not meant to be answered once and then forgotten. They are meant to be a constant guiding light, a daily reminder… Continue reading A Reflection on Richard Hamming’s ‘You and Your Research’: Striving for Greatness

The complete transcript of Richard Hamming's legendary 1986 talk at Bell Communications Research on what makes great scientists successful, including the full Q&A discussion.

Lately, there’s been a distinct shift in how I perceive my days: they’re increasingly filled with joy. This realization didn’t come all at once but through the accumulation of small, yet profoundly meaningful experiences. Let me illustrate what I mean through several personal stories. A Special New Year’s Eve On New Year’s Eve 2023, my… Continue reading Grateful for Every Moment: How I Learned to Enjoy Life More

Yesterday, something small happened that got me thinking about discipline. Here's what happened: It was a sunny Friday morning. I was walking to school, feeling good in the morning sun. But when I got to the school building, I realized I forgot my wallet, office key, and the card I need to open the door… Continue reading About Being Disciplined

In September last year, I had the unique opportunity to lead a workshop for a group of ambitious aspiring data scientists. This diverse assembly, connecting remotely from various corners of the globe, was bound by a mutual commitment to lifelong learning. Our exploration into the art of meta-learning, or the concept of “learning how to… Continue reading Mastering Meta-Learning: A Pathway to Unleashing Your Learning Potential

Life is full of clever little hacks. Sometimes the most impactful ones are also the simplest. I recently stumbled upon a basic tool that has remarkably boosted my daily reading time. I’m excited to share this game-changing discovery. Last Thanksgiving, during a visit to my cousin-in-law’s cozy home in Houston, I noticed something peculiar. As… Continue reading Reading More Each Day: A Simple $35 Tool

This past July, my wife and I embarked on our first ever trip to Europe together. Having never ventured across the Atlantic before, I was filled with equal parts excitement and apprehension about what this journey might hold. Little did I know then how much this experience would exceed all my expectations, leaving me with… Continue reading Running Through History: Our Unforgettable First-Time Journey Through Europe

Note that this is a pure educational post. Opinions expressed in this post are mine and mine only! they are definitely not financial advice. Even though potential future investment was a motivation for me to look into bitcoin, I neither recommend nor oppose investing in bitcoin. Always do your own research and reach your own… Continue reading My Bitcoin Thesis @2022 – Part 1

Background In the 1990s, when Procter & Gamble was examining the supply chain order patterns for one of its best-selling products, Pampers diapers, they discovered an interesting phenomenon. As they expected, the sales at its retail stores fluctuated moderately. However, as they moved further up in the supply chain, they observed greater and greater amplification… Continue reading The Bullwhip Effect

Crossposted from the LessWrong Imagine we have a company with investment projects A, B, C,….For instance, A might be a new high-speed Internet service, B might be a new advanced computer, C might be a new inventory management software, etc. We are interested in calculating the total return from these investments at the company. This… Continue reading The Generalized Product Rule

This paper develops a comprehensive taxonomy for hotel revenue management focusing on the transient segment.

This paper presents a comprehensive framework for hotel revenue management that simultaneously addresses overbooking and allocation decisions in price optimization.

This study provides a comprehensive evaluation of bid price and nested network revenue management allocation methods.