
Reference: Book II: Subject Clearing
Have you ever noticed how, when you truly understand something, it just feels whole? Nothing nagging, nothing fuzzy — it simply makes sense. Subject Clearing is a way of learning that helps you get back that feeling of wholeness whenever a subject starts to feel confusing or out of reach. It’s the approach that led me to the ideas at the heart of my earlier book, Postulate Mechanics.
This idea didn’t come out of nowhere. It grew from something much simpler: Word Clearing, which is just the habit of looking up any word you don’t fully understand the moment you meet it. For more than ten years, I ran a Math Club for middle schoolers at my local library, and Word Clearing was one of our steady habits. But later, when I tried to use it with teenagers who had struggled in or dropped out of high school, it didn’t land the same way — these kids were already so overwhelmed that even pausing to look up a word felt like one more impossible task.
But working with those students taught me something valuable. I noticed that when I laid out ideas in the right order — one building naturally on the last — they understood things much faster, almost as if a light switched on. That observation became the heart of the method: take the important ideas in any subject, line them up in the order they naturally build on each other, and clear up any confusion at each step before moving to the next.
When we started with the simplest, most basic ideas in a subject, something surprising showed up: those starting-point ideas were almost always the ones schools assumed everyone already understood — so they were rushed past, never explained, never double-checked. And it turned out that shaky understanding right there, at the very beginning, was quietly causing most of the bigger struggles that showed up later. It’s like a student who never quite grasped what a fraction actually is — not through any fault of their own, just because nobody ever slowed down to check. Years later, they’re stuck in algebra, and it looks like a “hard” problem, when really the confusion started with that one overlooked idea from years before.
Here’s the belief underneath all of this: when you begin learning something new, you naturally start out feeling whole and capable — curious, even. But the moment something doesn’t make sense and you’re pushed past it anyway, a little bit of your attention gets stuck there, like a splinter you never removed. Collect enough of these stuck points, and the subject stops feeling interesting and starts feeling annoying, even threatening. Eventually, many people just give up altogether and say, “I’m not a math person” or “I was never any good at science.”
The good news is that these stuck points can be found and loosened — but only by closely examining the simplest, most basic ideas in a subject and working forward again from there. There’s no shortcut that skips this step.
At its core, Subject Clearing is simply learning how to learn. You start with the plain, basic building blocks of a subject, make sure they’re truly solid, and then let your understanding grow naturally into the more complex, interesting territory beyond. It’s the same reason you learn to walk before you run, and run before you dance — each layer of skill rests comfortably on the one before it, so nothing ever feels shaky underneath.
This book is a guide to that kind of clear, confident understanding — the kind where you’re not just memorizing answers, but actually able to spot real confusion when it appears, and know exactly how to work through it.
.