You don’t need a fancy “second brain” setup. Just one habit that barely feels like note-taking at all.

I’m about to say something that might surprise you:

→ I don’t journal for mindfulness.

→ I don’t write “dear diary” entries.

→ I don’t reflect under moonlight with a fountain pen.

I micro-journal.

And it’s quietly become my unfair advantage for capturing knowledge by stealth.

Here's how it works:

All day long, I keep a running log:

↳ Thoughts.

↳ Lightbulb moments.

↳ Random ideas.

↳ Stuff that bugs me.

↳ Stuff that clicks.

If something grabs my attention—even for a second—it goes in the log.

At first?

It was mostly mental decluttering. Brain spam control.

But then I realised there were actual insights hiding in the mess

Insights I would never have thought to write down on purpose.

So I handed my notes to AI and now I've got a system that builds knowledge for me and all I have to do is offload my brain each day.

Here's my 4-step system for turning those scattered thoughts into knowledge that actually builds on itself:

1. Capture everything. No filter.

Ideas, rants, wins, lightbulbs, random thoughts.

If it sparks anything—even for a second—it goes in the log.

Don’t judge it. Just catch it.

2. Feed the chaos to AI. Let it mine the gold.

Once a week, I hand my raw notes to AI and ask:

"Go through my random notes and pull out anything worth keeping. Find the patterns, the insights, the bits of wisdom that might matter down the road."

It does the heavy thinking after I’ve already moved on.

3. Turn insights into Spark Notes.

I save these AI-filtered insights as what I call Spark Notes.

Sure, they might seem super obvious or tiny to me right now.

But these little sparks?

They often add up to bigger ideas over time.

4. Organise into loose collections

I group all my Spark Notes into collections:

→ Marketing wins

→ Workshop ideas

→ Lessons I’m learning

→ Things I’m figuring out

When insights intersect with each other you will be surprised what emerges.

Too many of us let our hard-won wisdom evaporate.

We solve the same problems twice.

Rebuild the same systems from scratch.

Because we don’t capture the stuff that seems too obvious to matter.

This?

This habit changed that for me.