Hexagram 58 — The Joyous (Lake) 兌

Both trigrams are the same — Lake (兌). The hexagram is therefore one of the eight “pure” or “doubled” hexagrams in the I Ching, where the trigram’s essential nature is amplified rather than tempered by another influence.

The classical Chinese name 兌 (Duì) carries the connotations that the King Wen sequence assigned to position #58 in the order of change: Lake on lake — joy that nourishes through fellowship. The deep joy of practicing together with friends; the danger of joy that seduces or seeks praise.

This hexagram is also rendered in English as Lake, The Joyous, Open — different translators emphasise different facets of its meaning.

What follows on this page is the full classical reading: the Judgment attributed to King Wen, the Image attributed to the Duke of Zhou, all six line texts, and the three derived hexagrams (互卦, 錯卦, 綜卦) that classical practitioners always read alongside the primary one. The page closes with a contemporary application section — how the configuration tends to land in modern decisions.

The Judgment (彖辭) is the line attributed to King Wen, written while he was imprisoned by the last Shang ruler. It states the configuration’s essential character and indicates the favorable or unfavorable trajectory of the situation. For 兌, it sets the time-quality of the moment: Lake on lake — joy that nourishes through fellowship. The deep joy of practicing together with friends; the danger of joy that seduces or seeks praise.

The decision quality the judgment recommends here is direct: Share joy through practice, not seduction. Sincere joy succeeds; sought-after joy fails. Discern what kind of joy is approaching you.

The Image (大象傳, “Greater Image”) is the second classical layer, attributed to the Duke of Zhou. It takes the natural picture suggested by the two trigrams — lake (兌, ☱) above lake (兌, ☱) — and uses it to describe how the noble person (君子) responds. Image readings are a guide to right conduct: not what will happen, but what one ought to do.

For hexagram #58, the image points to a specific style of inner posture appropriate to this configuration. The classical formulation should be read as a behavioral instruction, not as a metaphor.

Each hexagram has six lines (爻), counted from the bottom up. When you cast the I Ching using the traditional yarrow-stalk or three-coin method, certain lines emerge as “changing lines” — these are the ones whose line text (爻辭) speaks directly to your question. Below are all six line texts for hexagram 58 in classical Chinese with English rendering. If your reading produced a changing line, the relevant text is the one whose position matches.

Line position carries its own structural meaning: lines 2 and 5 are the “central” positions of their respective trigrams (and line 5 is the ruler’s position). Yang lines in odd positions and yin lines in even positions are “correct”; mismatches indicate friction.

Whichever hexagram you cast, classical practice does not stop at the surface. The next thing you read is the 互卦 (hù guà) — the nuclear or mutual hexagram. Below is what it is for 兌 Duì, and how to read its meaning.

The 互卦 (Nuclear hexagram, sometimes also called the “mutual” or “inner” hexagram) is constructed from the inner four lines (lines 2, 3, 4, and 5) of the primary hexagram. Lines 2-3-4 form the new lower trigram; lines 3-4-5 form the new upper trigram. What it shows is the inner pattern of the situation — the structural undercurrent beneath the surface configuration.

The nuclear hexagram of 兌 Duì is hexagram #37, 家人 Jiā Rén — The Family (The Clan). Right ordering of the inner unit — family, team, household — by clear roles, substantive words, and durable conduct.

What this means in practice: the surface configuration of The Joyous (Lake) is being driven, underneath, by the energetics of The Family (The Clan). When you act on this hexagram, the inner texture of your situation is shaped by the nuclear — so it is the nuclear, not just the primary, that you must respect.

The second derived reading is the 錯卦 (cuò guà) — the inverse or polar opposite. Every yang line becomes yin and every yin line becomes yang. The result is the configuration that lies on the other side of every choice in the primary.

The 錯卦 (Inverse, sometimes called “Opposite” or “Crossed”) is constructed by flipping every line of the primary hexagram — every yang becomes yin, every yin becomes yang. It is the hexagram’s polar opposite: the situation that would result if every active force became receptive and every receptive force became active.

The inverse of 兌 Duì is hexagram #52, 艮 Gèn — Keeping Still (Mountain). Mountain on mountain — stillness compounding. The body learns to be still, then the speech, then the heart. Thoughts do not go beyond one's place.

Reading the inverse is how classical practitioners check their interpretation against its mirror. The wisdom of The Joyous (Lake) is sharpened by knowing what its absolute negation looks like — Keeping Still (Mountain) is the warning, the contrast, or sometimes the secret complement of the primary configuration.

The third derived reading is the 綜卦 (zōng guà) — the reverse or inverted hexagram. The whole figure is turned upside down. This is how the situation reads from the perspective of the other party, or how the same event would be described looking back from its conclusion.

The 綜卦 (Reverse, sometimes called “Inverted” or “Turned”) is constructed by turning the entire hexagram upside down — line 1 becomes line 6, line 2 becomes line 5, and so on. It is the situation seen from the other side — what the same event looks like to your counterpart, or what the same hexagram becomes when read from the top down rather than the bottom up.

The reverse of 兌 Duì is hexagram #57, 巽 Xùn — The Gentle (The Penetrating, Wind). Wind on wind — penetration through gentleness. Reach where force cannot. But know the difference between persistent gentle pressure and weak, repeated requests.

In the King Wen sequence, 兌 and 巽 sit as a paired set — one is the situation, the other is the situation viewed from the opposite end. When you read your own hexagram, your counterpart in the situation is reading the reverse. Knowing the 綜卦 is how you read both halves of the same event.

In contemporary practice, hexagram 58 兌 Duì tends to surface in readings around questions of:

• communities of practice
• study groups
• fellowship in work
• the joy of mastery shared

The decision-quality recommendation, distilled from the Judgment, the Image, and the line texts together, is: Share joy through practice, not seduction. Sincere joy succeeds; sought-after joy fails. Discern what kind of joy is approaching you.

If you cast this hexagram and want to integrate its reading with your personal chart, the next step is to layer it onto your BaZi (Four Pillars) or Zi Wei Dou Shu profile — the same hexagram lands differently on a Yang Wood day master in a hot summer than it does on a Yin Water day master in winter. The I Ching tells you the shape of the moment; your BaZi tells you the terrain the shape will land on.

For questions about career — promotions, role changes, business decisions, leaving or staying — hexagram 58 兌 Duì (The Joyous (Lake)) describes the time-quality your professional situation is sitting in. Lake on lake — joy that nourishes through fellowship. The deep joy of practicing together with friends; the danger of joy that seduces or seeks praise.

The trigram configuration of Lake doubled (the trigram of joyous, open) is the lens. When a trigram doubles itself, the career signature of The Joyous (Lake) is concentrated — there is no contrasting force inside the configuration to soften it.

The decision-quality recommendation, distilled from the Judgment, applies directly to career deliberations: Share joy through practice, not seduction. Sincere joy succeeds; sought-after joy fails. Discern what kind of joy is approaching you.

If your reading produced a changing line, the most career-relevant positions are line 5 (the ruler’s seat — how authority is moving above you) and line 2 (the worker’s central position — how your own role is moving). For hexagram 58, line 5 reads: 九五：孚于剝，有厲。 — Nine in the Fifth: Sincerity toward disintegrating influences is dangerous.

For questions about relationships — love, family, friendship, partnerships, conflict — hexagram 58 兌 Duì (The Joyous (Lake)) describes the energetic shape between the parties involved, regardless of which side asked the question. Lake on lake — joy that nourishes through fellowship. The deep joy of practicing together with friends; the danger of joy that seduces or seeks praise.

Read the configuration as a meeting of two forces: Lake doubled (the trigram of joyous, open). When a trigram doubles itself in a relationship hexagram, the dynamic between the two people is unusually unified — for better or worse — and external counterforces are weak. What you both bring is what you both get.

The decision-quality recommendation, applied to the relational frame: Share joy through practice, not seduction. Sincere joy succeeds; sought-after joy fails. Discern what kind of joy is approaching you.

If your reading produced changing lines, lines 2 and 5 are the most relationally significant — they are the central positions of the lower and upper trigrams respectively, and classical practice reads them as the “hearts” of each side of the relationship. The reverse hexagram (綜卦) is also worth reading for relationship questions: it shows the same situation from the other person’s perspective.

For questions about making a decision — whether to act, when to act, which option to choose, whether to wait — hexagram 58 兌 Duì (The Joyous (Lake)) is among the most direct of the I Ching’s answers. The Judgment of every hexagram is, structurally, a recommendation about decision quality.

The decision recommendation for this configuration: Share joy through practice, not seduction. Sincere joy succeeds; sought-after joy fails. Discern what kind of joy is approaching you.

If your reading produced a changing line, treat the line text as a more specific instruction within that overall recommendation. The line texts (爻辭) of hexagram 58 are the I Ching’s answer to the more granular form of your question; read the relevant line above (in the “The six lines” section) for the specific configuration of action your situation calls for. Line 5 (the ruler’s position) is the most authoritative line for decision questions when a clear path forward is needed.

For complex decisions, also read the inverse (錯卦) of this hexagram — it shows you the polar-opposite course of action, which is the test the I Ching uses for whether a recommendation is robust to its own negation.

For questions about health and vitality, hexagram 58 兌 Duì (The Joyous (Lake)) describes the energetic quality your body and mental state are operating in. Lake on lake — joy that nourishes through fellowship. The deep joy of practicing together with friends; the danger of joy that seduces or seeks praise.

In classical Chinese-medicine correspondences, the trigram Lake governs the mouth (and resonates with the lungs in TCM). With Lake doubled, the configuration concentrates attention on this single channel.

The Five-Element classification of the trigram is Metal; in BaZi terms, the hexagram’s health signature interacts with whether Metal is supportive or hostile to your day master.

The decision-quality recommendation, applied to health: Share joy through practice, not seduction. Sincere joy succeeds; sought-after joy fails. Discern what kind of joy is approaching you. The I Ching does not diagnose, but it does indicate the time-quality of recovery, depletion, or balance — which is exactly what classical practitioners read it for in medical contexts. Layer this reading onto your BaZi (Four Pillars) chart to see how the hexagram’s elemental configuration interacts with your day master’s elemental balance — the same hexagram lands very differently on a hot-summer Yang Wood than it does on a winter-frozen Yin Water.