Most people, if you asked them, would say they know themselves reasonably well. Better than they know most of the other people in their lives. They’ve been living with themselves the whole time. They know what they like, what they don’t, what makes them anxious, what settles them, what they want out of the next five years. It’s the one subject they’ve had the longest study of, and it seems reasonable to assume they’ve picked up more information about it than about almost anything else.

Which is why the Lao Tzu line, if you read it carefully, is quietly uncomfortable. He’s not saying self-knowledge is easy. He’s putting it in a completely separate category from knowing other people, and he’s ranking it considerably higher. Wisdom, in his framing, is the ordinary kind of intelligence you use to read other people accurately. Enlightenment, which is a much stranger and less familiar thing, is what happens when you turn the same quality of attention onto yourself.

The two aren’t the same task. And most people, on any honest self-assessment, are much better at the first one than the second.

Lao Tzu says the real power is conquering yourself, not others, and this video exposes how easily we mistake one for the other.

You already know this, if you think about it. Sit with a friend who’s been through a difficult year and you can often see, from the outside, the pattern they’re stuck in. You can name the thing they keep avoiding, the belief they keep operating from, the small piece of self-deception that’s making the rest of their situation harder. It’s easy to see, from where you’re sitting. It’s not something you have to work at particularly hard. Their situation is legible in a way your own often isn’t.

Turn that same attention on yourself, and something strange happens. The clarity goes. What you can see clearly in someone else’s life becomes fogged and defensive when it applies to your own. You start reaching for reasons. You start reframing. You start finding, quite quickly, that the honest observation you would have made about someone else is somehow not available when you’re the person being observed. The mind that was so good at seeing patterns in other people becomes surprisingly inept at seeing them in itself, and the ease of the first task turns out to have depended on a distance that isn’t available when the subject is you.

Which is what Lao Tzu is naming. Knowing others is one skill. Knowing yourself is a completely different one. And the second one is harder not because you have less information about yourself, but because you have too much of it, and too many reasons to arrange it in ways that protect you from what you’d otherwise see.

The second sentence in the line does the same trick with a slightly different subject. Physical strength, in Lao Tzu’s framing, is what lets you prevail over someone else in an ordinary contest of will or force. Real power is what happens when you can prevail over yourself. And here, too, most people underestimate the size of the difference.

You already know how to make somebody else do something. You do it several times a week, in small ways. You persuade. You negotiate. You lean on them. You wait them out. You have decades of practice at working out how to move other people in a direction they’d otherwise have gone slightly further away from.

Try to move yourself in a direction you don’t quite want to go, and the machinery breaks. The same person who can talk a colleague around to a difficult decision cannot, on a Tuesday evening at nine, get themselves to open the file they’ve been avoiding for a week. The same person who can hold their nerve in a difficult conversation with a stranger cannot, on the same day, hold their nerve in a conversation with themselves about a habit they know they need to change. What works on other people doesn’t work on you. And the failure isn’t a matter of weak will. It’s a matter of the specific machinery of self-persuasion being a different mechanism than the one that operates on other minds, and one that most of us are considerably less practised at using.

Which is why Lao Tzu is calling the second thing power, and calling the first thing merely strength. Strength is the ordinary human capacity to influence a situation outside yourself. Power is the much rarer capacity to influence the situation inside yourself. The person who has it can, in a small quiet way, do things the strongest and most competent operator in the world will still find themselves unable to do at their own kitchen table.

None of which is comforting. It also isn’t meant to be a self-help programme. Lao Tzu isn’t telling you how to know yourself or how to conquer yourself, and the tradition his writing comes out of has spent two and a half thousand years being quite careful not to reduce either practice to a technique. What the line is doing is more modest. It’s pointing at the difference in difficulty between two things that sound similar and are not, and it’s asking you to notice that the harder one is the one most people quietly assume they’ve already mastered.

Which is probably worth sitting with, if only for a moment. The pattern in your life that a good friend would identify in about ninety seconds if they had permission to name it. The small habit you know is costing you something and haven’t yet found a way to stop. The version of yourself you’ve been carrying around for years without being able to see clearly. These are the raw material of the practice Lao Tzu is naming, and they are, as he suggests, considerably closer and considerably harder than the ones you handle every day when you’re dealing with everyone else.

Maybe the invitation, this week, is to notice one place where the attention you turn on other people would be useful turned on yourself. Not to fix anything. Not to conquer anything yet. Just to look, in the way you’d look at somebody else, at the pattern you can’t quite see because you’re standing too close to it. And to sit with the small strange fact that the person hardest to see clearly, on any honest reckoning of a life, is almost always the one doing the looking.