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Donald Latumahina @lifeoptimizer

Founder of Life Optimizer. Get new tips on personal effectiveness: lifeoptimizer.org/newsletter…

Joined April 2008
  • Tweets 1,634
  • Following 99
  • Followers 2,634
187 Photos and videos
I’m a big believer in self-education. Here are 9 reasons why self-education is a great way to learn. lifeoptimizer.org/2026/05/15…

Why Self-Education Is a Great Way to Learn

I’m a big believer in self-education. In fact, I believe that self-education is essential if you want to reach your full potential. But why is that the case? Why is self-education so important? Here...

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As we approach the New Year, there is an important lesson we can learn from Julius Caesar about staying in the game. lifeoptimizer.org/2025/12/24…

Why Staying in the Game Matters More Than Quick Wins

I’m currently reading Julius Caesar by Philip Freeman. There are many lessons in Caesar’s story, but here I want to share one about the importance of staying in the game. In 58 BC, during the first...

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I just posted a blog post about the inspiring story of William Herschel. He went from being a musician to an accomplished astronomer. His is a story of motivation, curiosity, and dedication. Check it out: lifeoptimizer.org/2025/06/03…

From Music to the Stars: The Inspiring Journey of William Herschel

I’m inspired by the story of William Herschel in The Age of Wonder. He was an accomplished musician living in 18th-century England. Originally an immigrant from Hanover, he arrived penniless. Yet...

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December is the perfect time to get ready for 2025. Check out my latest blog post for tips on how to make the most of this month! lifeoptimizer.org/2024/12/05…

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Do you want to be productive? Do you want to make the most of your time? Then there is something you need: a purposeful system. Check out the post to learn more. lifeoptimizer.org/2024/08/09…

Elevate Your Life With a Purposeful System

Do you want to be productive? Do you want to make the most of your time? Then there is something you need: a purposeful system. What does "purposeful system" mean? Well, let's break it down. There...

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AI tools are only as good as the questions you ask 🤔 Unlock your superpower with a passion for learning! lifeoptimizer.org/2024/02/22…

Lifelong Learning: The Key to Mastering Your AI Toolkit

The AI revolution isn't just coming – it's here. 2023 was a wild ride, but 2024 is ramping things up even faster. New tools emerge constantly, and staying updated requires significant time and...

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RIP Charlie Munger. This video contains some of his best lines: youtube.com/watch?v=gHLA64sh…

The Best of Charlie Munger | Most Funny Moments

A compilation of Charlie Munger's best wit, wisdom, and insults.M...

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Do you have a talent that you no longer develop? Check out this post on awakening your dormant talents! lifeoptimizer.org/2023/11/22…
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When I was reading a book recently, I found an interesting quote about strategy and tactics. Check out my new blog post on tips to find the right strategy and tactics. lifeoptimizer.org/2023/08/05…

Strategy and Tactics: Two Essential Keys to Success

I recently read Outlive by Peter Attia. It’s a book about longevity that I found insightful. It contains many lessons about different aspects of health. However, what I’d like to share with you here...

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How do you thrive? By being prepared for opportunities long before they come. Read my blog post to learn about it from the Nvidia story. lifeoptimizer.org/2023/06/09…
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Introducing Chat Ace: ChatGPT Made Easy lifeoptimizer.org/2023/04/05…

Introducing Chat Ace: ChatGPT Made Easy

Quick link: Try Chat Ace here Since it was launched in November last year, ChatGPT is taking the world by storm. Its ability to converse intelligently surprised many, including me. There was a slight...

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Generative AI is all the rage these days. My new blog post discusses the coming threats from it and what to do. lifeoptimizer.org/2023/03/30…

The Coming Threats of Generative AI and What to Do

In my last post, I wrote that there is currently an emergence of AI tools that can create new content, called generative AI. These tools can generate emails, poems, images, and more based on your...

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[New blog post] More and better AI tools are becoming available recently. Here are four tips to maximize your personal effectiveness with them. lifeoptimizer.org/2023/02/02…
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Got an interesting question from Adrien about AI's impact on us. Read the question and my response: lifeoptimizer.org/2022/11/30…

Why a Passion for Learning Is Essential

What do you think is a key trait for thriving in this age? A good answer, I believe, is a passion for learning. Let me explain. I recently read Money: The True Story of a Made-Up Thing by Jacob...

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Have you ever heard of "the motivational divide"? Make sure that you are on the right side of the fence! lifeoptimizer.org/2022/11/30…

Why a Passion for Learning Is Essential

What do you think is a key trait for thriving in this age? A good answer, I believe, is a passion for learning. Let me explain. I recently read Money: The True Story of a Made-Up Thing by Jacob...

lifeoptimizer.org
Currently reading Incredible Victory by Walter Lord about the Battle of Midway. It reads like a thriller. I didn't know that someone could write history that well.
After not publishing a new blog post for two months, I'm happy to share with you my new blog post on building mental models. Check it out! lifeoptimizer.org/2022/10/03…

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...

lifeoptimizer.org
[New blog post] I found the story of mathematician Leonhard Euler inspiring. It's a great example of thriving despite adversity. Check out the blog post! lifeoptimizer.org/2022/07/18…

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...

lifeoptimizer.org
With more and more things being automated, creativity is increasingly important these days. Check out these four keys to being creative. lifeoptimizer.org/2022/06/10…

Being Creative: Four Keys From a Great Game Designer

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...

lifeoptimizer.org
There are three key factors for work motivation: autonomy, mastery, and purpose. I believe they can also help you live a fulfilling life. lifeoptimizer.org/2022/04/29…
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