Ruslan Ianberdin · Builder, founder of Playcode

EssaysFor a long time I thought I was learning things. Someone would explain something to me: a friend, a book, a long careful answer from an AI. I would follow it, agree with it, and feel that small click of “yes, that is right.” Then the next day it would be gone. Not distorted, not half remembered. Gone.

It took me an embarrassingly long time to notice this, because the feeling of agreeing is almost identical to the feeling of understanding.

Here is the picture that finally made it obvious. You walk through a store. You look at the products and they are great. You pick things up, you approve, you compare, you nod. Then you walk out with nothing. Nobody would call that shopping. But it is exactly what I had been calling learning.

Two states

There are two things that can happen when someone tells me something useful.

The first sounds like: “yeah, yeah, got it, makes sense.” It is fast. It is comfortable. It comes with a small pleasant sense of having gained something. And it evaporates by morning.

The second is different. It sounds more like “ah, I see it.” And it arrives with a specific physical sensation I can only call calm. Something settles. I stop wanting to go back and check the source, because I am no longer carrying a pointer to the thing. I am carrying the thing.

For years I could not have told you what produced the difference. Now I can. The difference is whether I wrote it down in my own words.

The accidental experiment

I ran the test without meaning to. After a long conversation I decided to save what mattered. I copied the key passages into a note, word for word, carefully. It felt flat. Nothing happened. Reading it back later, it was somebody else’s text that I happened to own a copy of.

So I tried again, and this time I made myself put it in my own words. Three bullet points, no full sentences. And while writing them I noticed I was not transcribing at all. I was cutting, arguing, improving. By the third bullet I was thinking about where I would use this tomorrow.

That is when my head came alive. Same content, two ways of encoding it, opposite results.

Why it works

I think three things are going on, and they stack.

Reading produces recognition. Writing produces retrieval. When I read a good explanation I am checking someone else’s thinking, which is a real skill, but it is not the same operation as producing the thought myself. The producing is what makes it stay.

The second one is nastier. A well written explanation creates a strong feeling of mastery, and that feeling belongs to the author’s organization of the material, not to mine. The clearer the writing, the more convincing the illusion, and the more confidently I nod. Which means the best explanations are the easiest ones to lose. I have started treating unusual clarity as a warning rather than a gift.

The third is the one I suspect matters most, at least for me. What I make myself, I accept. What arrives finished from outside, some part of me pushes back on, even when I agree with every word of it. Advice comes in as an instruction. Rewritten in my own words, the identical content becomes a decision I made. And I execute my own decisions. I do not execute instructions, including my own.

You can see the same mechanism in how people persuade each other. The old advice about convincing someone is to ask questions that lead them to the conclusion instead of stating it. That always sounded to me like a manipulation trick. I now think it is closer to a plain description of how conclusions install themselves. A conclusion you reached is load bearing. A conclusion you were handed is decoration.

How I actually do it

The method is embarrassingly simple and I want to keep it that way.

I send a message to myself in a messenger. That removes the only real friction, which is deciding where to put the note. Not a notebook I have to find, not a system I have to maintain, not a decision at all.

Bullet points, never full sentences. Bullets force compression, compression forces choosing what matters, and the choosing is where the thinking happens. Full sentences let me transcribe. Bullets make me decide.

And one quality bar: the note has to make sense to someone who does not have the context. Which really means it has to make sense to me in two weeks, when I am that person.

Why I am publishing this

Writing in public is the same mechanism with the volume turned up. A note to myself has to survive two weeks and one reader. An essay has to survive strangers who owe me nothing, which means I cannot leave the soft parts soft. Half of what I believed about this subject fell apart while I was writing this paragraph, which is roughly the point.

I am wary of turning any of it into a ritual. The moment it acquires a required format and a slot in the day, it will join every other good practice I have abandoned. It works because I invented it and I reach for it when I want to.

But I have...