If anyone asks which book I recommend most, my answer is The Three Happiness Pyramid, because it uses brain science to explain happiness in a way that actually works, both in our own lives and in work that depends on understanding customers.
Professional Development
- The Three Happiness Pyramid: My Most Recommended Book
- Secrets of the Millionaire Mind: The Book That Made Me Declare It to the World
I see Secrets of the Millionaire Mind as standing out not for what it teaches about money, but for how continuously it stirs thinking and the urge to act, until we have to make a promise to ourselves and declare it to the world.
- The Diagrams Book: Diagrams Are Not for AI to Read, But for Humans
I believe diagrams are increasingly vital in the AI era because, while AI itself doesn’t need them, the humans overseeing it do, and The Diagrams Book compiles 100 practical, real-world examples.
- Why I Started Writing Here
I wrote on social media for years, until it became clear that what I had written was not really mine — exactly the same thing I wrote about open source: the ability to determine your own fate.


