I've Replaced My Second Brain With a Simpler Method

22 Jun 2025 #productivity

For a long time, I was a note-taking freak.

I spent hours trying to find the perfect note-taking system. I tried a bullet journal, a simple A-4 sheet of paper folded twice, and an endless .txt file. I probably have an old comparison table of note-taking buried in my old computer.

Starting a second brain

Years later, probably scrolling on Hacker News, I found out about the Zettelkasten method.

It fascinated me so much that I read How to Take Smart Notes to learn more about the method and started my own “zettel.” But recently I realized that I barely revisit most of my notes. I’m not interested in the same topics anymore.

Simply writing 10 ideas

And after reading some of James Altucher’s books and recovering from burnout, I’ve changed my mind about productivity and to-do lists.

Instead of to-do lists and goals, I’ve started to write 10 ideas a day to become an idea machine. It has changed my note-taking habits too. Now, after every book, podcast, or course, I write down 10 key lessons. It forces me to recall the main ideas from the content I consume. I don’t need to write every single detail but rather remember the 10 points that resonate the most. That effort makes the learning stick.

I still write down the quotes I like the most from books I read. But I’ve stopped chasing second-brain systems and testing every new AI-powered app. I simply write 10 ideas. It’s simple and more useful than any system I’ve tried.