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Hi, I’m Donald and I’m passionate about optimizing life. I’ve been writing about personal effectiveness since 2006. Sign up below to get new tips and insights from me.

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Latest Posts

Check out the latest posts from the blog

The Importance of Building Mental Models and How to Do It

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…

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Thriving Despite Adversity: A Lesson From Leonhard Euler

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…

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3 Ways to Make Your Life More Fulfilling

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…

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Habit Ace 3.0 Is Now Available!

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…

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Antifragile: More Than Being Resilient

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…

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