I’m currently re-reading The Personal MBA by Josh Kaufman. I’ve read the book years ago, but I recently felt the need to read it again. The book summarizes important principles for businesses that it calls “mental models”. The term “mental model” was popularized by Charlie Munger, the investment partner of Warren Buffett. In short, mental…

Leonhard Euler is one of the greatest mathematicians who have ever lived. Living in the 18th century, he contributed to many fields of mathematics. He was very prolific; when he passed away at the age of 76, he had more than 850 publications! Many of the mathematical notations that we use today were first introduced…

I loved playing computer games. In fact, that’s how I first learned to code: by making simple games. Though I no longer spend much time on games these days, I’m still interested in the field. That’s why I was excited when I found the memoir of Sid Meier. You might never hear of him, but…

What do you think is a defining characteristic of a good life? Well, I believe it’s fulfillment. The more you feel fulfilled, the better your life is. In fact, that’s the mission of Life Optimizer: helping you live a fulfilling life.  So how can we live fulfilling lives? We can answer this question from multiple…

After working on it for a few months, I’m happy to announce that Habit Ace 3.0 is now available! Habit Ace is an iOS app I develop that helps you build purposeful habits. It’s the app that I’ve been using to optimize my life. This new version adds support for Apple Watch. That means you…

One interesting concept that I read in Skip the Line is the difference between being resilient and being antifragile. The term “antifragile” comes from a book by Nassim Taleb but I read about it in Skip the Line by James Altucher. I always thought that being resilient is good, but it turns out that being…