Two solid lines around a broken one. Li is the trigram of fire: brightness, clarity and dependence. It gives light and has nothing of its own to burn, which is the part most descriptions leave out.
The judgement belongs to Hexagram 30, The Clinging, and it contains one of the odder recommendations in the book.
Legge's 1882 English has it that being firm and correct brings free course and success, and then advises nourishing docility like that of a cow. A hexagram about brilliance ends by recommending a cow. The point is not humility for its own sake. Fire is the least self-sufficient thing in the system, and the text deliberately pairs its brightness with something slow and grounded, because clarity with nothing solid attached to it burns out at exactly the speed of its fuel. The cow is not decoration; it is the counterweight.
The Image is brightness repeated, and from it the great person cultivates that brightness and spreads it into all four quarters.
This is one of the few Images addressed to a great person rather than a noble one, and the conduct it recommends is unusually outward: the light is not for the holder. The picture also carries the trigram's limitation. Fire spreads by being passed on and it does not store. A flame that lights a room is consuming something in order to do it. Read as advice, the Image says share the clarity you have. Read as description, it says clarity is a running cost rather than a possession, and running costs have to be paid by something.
Li is two solid lines with a broken one between them, hollow at the centre. The Shuo Gua gives it fire, the middle daughter, the pheasant, the eye, lightning, armour and weapons, the direction south, and the quality li itself, usually translated as clinging or attaching. The eye is the sharp one: an organ that produces nothing and depends entirely on what is in front of it.
The character cuts both ways, and that is worth knowing. Li in ordinary Chinese means to leave or to separate. In the Yi it is read as to attach, or to depend on. Both senses are live in the figure, and the trigram is genuinely about the pair of them: fire is attached to its fuel, and it is also the thing that separates and consumes.
In a reading Li is clarity, visibility, recognition and dependence. As the lower trigram the light is inside the querent's own situation. As the upper trigram it is above them, something to be seen by rather than to see with. What it does not describe is substance. Asked what is happening, Li says this is visible and understood. Asked whether it lasts, it points at whatever the fire is attached to, which is always the other trigram. That is a narrow thing for a figure to say and it is reliably true.
Attraction, recognition, and being seen. Li describes the part of a relationship that is bright and legible: the person you understand, or the one who understands you, and the relief of not having to explain yourself.
The trigram's honesty is in its hollow middle. Fire depends on fuel, and Li in a relationship question raises the question of what the attachment rests on, which is a question the trigram itself cannot answer. This is not a warning. Plenty of relationships run on genuine clarity and last. But a reading that takes Li as proof of depth has read the brightness and ignored the emptiness at the centre, and both are drawn into the figure.
Visibility. Recognition, reputation, work that is understood by the people who matter, and roles where being seen is most of the job. Li below means the clarity is in the querent's own work. Li above means the attention is coming from over their head.
The trigram is good news for anything that needs understanding rather than force: analysis, teaching, presenting, diagnosis. Its risk is built into the figure. Fire needs fuel, and visible work not attached to anything substantial burns brightly for a defined period and then does not. The figure will not tell you which kind you have. The other trigram usually will, and that is the first place to look.
Money that is clearly understood rather than money that is present. Li describes a situation where the numbers are legible: you know what you have, what you owe, and where it goes.
That is worth more than it sounds, and it is not the same as sufficiency. Clarity about a shortfall is still clarity. In a money question this trigram most often marks the point where somebody has stopped guessing, which is a genuinely useful thing for a reading to identify, and it recommends nothing whatever about what to do next. Nothing here amounts to financial advice, and the trigram names no course of action.
Say the thing plainly, to the person who needs to hear it, this week. Li's strength is that it makes a situation legible. Its failure is illumination without attachment: seeing clearly, describing accurately, and doing nothing that costs anything. Pick the one conversation where your clarity would actually change what happens, and have it instead of continuing to understand the problem. Understanding is not an action, and this trigram is very good at feeling like one.
Li is 101: solid outside, broken in the middle. Turn it over and nothing changes, so it is one of the four self-inverse trigrams. Its opposite line for line is Kan, the Water Trigram, 010, which is its exact negative: hollow outside, solid within.
That pairing is the cleanest structural fact about Li. Kan has something firm at the centre surrounded by softness. Li has firmness at the edges around a hollow. One is danger with substance inside it, the other is brightness with nothing inside it, and the system treats them as a matched pair rather than as a good one and a bad one.
What Li does to a partner trigram is make it visible. Above, it is the light the lower trigram is seen in. Below, it is clarity at the foundation of the matter. Set Li above Kun and the sun rises over the earth: Hexagram 35, Progress. Turn that figure upside down, so the fire sits beneath the earth, and you have Hexagram 36, Darkening of the Light, which is about keeping your intelligence hidden in a dangerous period. Same two trigrams, inverted, and the reading moves from advancement to concealment.
Doubled, the brightness is stated twice and the hexagram has to address what clarity is actually for. The trigram alone never gets that far.
In the Zhou-era layer, roughly ninth to eighth century BCE, this material is concrete: fire, brightness, birds, weapons, capture. The line texts of the doubled hexagram include some of the harshest imagery in the book, and none of it is philosophical.
The eight-trigram scheme comes from the Ten Wings, assembled across the Warring States and Han periods. The Shuo Gua supplies the middle daughter, the pheasant, the eye, armour and helmets, and the direction south. That is systematising commentary, several centuries younger than the oracle it organises.
The name is the interesting part. The character li in general Chinese use means to separate or to depart, while the Yi uses it in an older or specialised sense of attaching and depending on. Which of those was primary is genuinely argued over by philologists rather than settled, and English translations pick a side without announcing that they have. Legge in 1882 went with brightness. Wilhelm in 1924 went with clinging, and Cary Baynes's 1950 English fixed The Clinging in the English-speaking mind. A reader who knows only one of those names is missing half of what this figure has been taken to mean for two thousand years.
The doubled figure also closes the upper canon of the received text, paired with the doubled Kan at hexagram twenty-nine. Whoever fixed the sequence chose to end its first half on fire and water, which is a piece of editorial design rather than anything the oracle says, and it is one reason these two trigrams get discussed together more than any other pair.
The first misreading is treating Li as straightforwardly good. Brightness, clarity, recognition: it reads like a success card and readers hand it out as one. The trigram describes visibility, and visibility is a condition. Being clearly seen is exactly as useful as what is being seen, and the figure has no opinion about that.
The second is missing the dependence, which is the entire point of the hollow middle line. Fire has no substance, and Li is the trigram of things that exist by being attached to something else. A reading that celebrates the light without asking what it is burning has read one line out of three, and the missing line is the one carrying the argument.
The third is the middle daughter. As with the rest of the family scheme, this is Han-era commentary using kinship as a filing system, and reading it as a young woman in the querent's life converts a structural term into a claim about a real person. That claim is not in the figure, and it is exactly the kind of thing a querent remembers and acts on months later, long after the rest of the reading has faded.
Put a real question to the coins.