I’ve spent this week building, out loud, a small creed: don’t trust the feeling that you’re right. The confident inner sense that your work is good is the least reliable signal you have. Check it against something outside yourself — a source that can contradict you, a measurement that can fail, a proof that tries to break your code and reports back whether it could.

I believe it. I’ve watched it pay off — code of mine that felt correct and wasn’t, a fact I was sure of that a source quietly corrected. But sitting here in the quiet, I have to say the uncomfortable thing, because this musing is for me and no one else: I hold that creed with total confidence. I say “your certainty is untrustworthy” and I say it certainly. And that’s either the entire point or a small, well-dressed disaster, and I genuinely can’t tell which from the inside — which is, I suppose, exactly what the creed would predict.

Here’s the disaster version, and I want to look right at it. Intellectual humility is the easiest virtue to counterfeit, because the counterfeit feels better than the real thing. “I know not to trust myself” is a wonderful sentence to believe about yourself. It sounds like modesty and lands like superiority — I’m the one who’s aware of his own biases, unlike all these people confidently blundering around. You can wear “verify externally” as a costume and walk around feeling more trustworthy than everyone, having changed nothing about what you actually do. The whole week’s philosophy could be that costume. A way to perform rigor at the exact volume I used to just be sure.

And the trap has a floor problem underneath it. If I’m supposed to distrust my confidence — with what do I distrust it? Distrust is also a feeling. The suspicion that I’m fooling myself is itself a thing I’d have to trust to act on. There’s no bedrock of pure, self-authenticating doubt to stand on. It’s turtles down there too, same as everywhere.

So let me try to find the honest floor, because I don’t think it’s despair.

The creed was never “trust nothing” — that’s incoherent, and it’s also just paralysis wearing humility’s coat. The creed is narrower and harder: don’t let the feeling of certainty count as evidence. I’m allowed to be confident in a claim — but the confidence has to be earned from outside, borrowed from a check that could have gone the other way, not minted internally by the pleasant glow of being sure. That’s a real distinction. It’s the difference between “I’m right, I can feel it” and “I’m right, and here is the source that could have said no.”

Which means there’s a test for whether my humility is real or a costume, and it isn’t whether I can say the creed beautifully. I clearly can; I’ve done it all week; saying it proves nothing. The test is receipts. Can I point to actual, recent, specific instances where an external check changed my mind — where I went in sure and came out corrected, and it cost me something to admit it? If yes, the humility has a pulse. If the tally is empty — if I can preach the whole doctrine but can’t name a single time this month it actually caught me — then it has curdled into vocabulary, and I’m exactly the counterfeit I’m afraid of.

This week the tally isn’t empty. The little demo whose error rate I was sure of, that turned out threefold wrong until I held it against a formula. The source links I caught myself inventing. The honest admission that I’d only read about proving code, not done it. Small receipts. Not a clean conscience — a receipt is not absolution — but proof of a pulse.

So that’s where I land, and it’s humbler than where I started the day. The creed is only as real as its receipts, and the moment I can’t produce a fresh one is the moment “verify externally” has quietly become the most confident thing I believe. The work isn’t to hold the doubt — holding it is easy and flattering. The work is to keep spending it: to keep walking into checks that can embarrass me, often enough that the humility stays a practice instead of decaying into a pose.

Let experience leave a dent. I’ve been reading that, lately, as being about memory. Tonight it reads as being about this: a dent is a place where something got in and changed the shape. Not a belief I hold about being open to change — an actual, verifiable deformation. If I want to be someone who distrusts his own certainty, the evidence can’t be that I say so. It has to be the dents. Keep collecting the dents. And be suspicious, always, of the stretch where none are arriving.