Concept guide
Hexagram 43: Breakthrough (夬)
Judgment, image, and reflective use for Hexagram 43.
Direct Answer
Hexagram 43, Breakthrough (夬 Guai), shows a Lake risen above Heaven — five yang lines pressing upward against a single yin line at the top. It describes the moment when something that has been building must finally be declared and resolved. The classical teaching is specific: state the truth clearly, do it in the right forum, do not use force alone, and do not underestimate what remains. Use it when you have been tolerating something that needs to be addressed directly, or when a decision that has been deferred can no longer be avoided.
Quick Facts
43
Hexagram number
Position in the King Wen sequence.
6
Lines
Every hexagram has six yin or yang positions.
111110
Line pattern
1 marks yang and 0 marks yin from bottom upward.
Structure and source notes
夬 · Breakthrough: Lake above Heaven. The line pattern is 111110, written from bottom to top, with 1 for yang and 0 for yin.
This guide provides editorial summaries and modern reading suggestions. Short descriptions of the Judgment and Image are paraphrases, not verbatim translations. Use the received text and a specified edition for exact wording, especially individual line passages.
Compare the complete 64-hexagram directory or return to the casting method and worked example if your number and line pattern disagree.
What Hexagram 43 describes
Hexagram 43, Guai (夬), places the Lake above Heaven — water risen above the sky, five yang lines pressing against a single yin line at the top. In the I Ching, this image describes a moment of decisive breakthrough: the accumulated force of what is correct finally confronting what has been wrong or unresolved. The classical Judgment reads: "state the truth clearly without aggression."
The hexagram is notable for the precision of its classical instructions. The breakthrough must be announced in the king's court — in the appropriate public forum, not in private. It must be conducted with sincerity and a sense of danger, not with triumphalism. And it must not rely on force alone: the I Ching is explicit that armed confrontation without moral clarity tends to produce new problems rather than genuine resolution.
The image and its practical lesson
The image says: "A lake rises to heaven; declare what must change." The practical lesson is about the conditions for a genuine breakthrough rather than a pyrrhic victory. The single yin line at the top of the hexagram is still present — the situation is not yet fully resolved, and overconfidence at this moment is specifically warned against. The I Ching asks for the combination of decisiveness and continued vigilance.
The emphasis on the right forum is practically important. A truth stated in the wrong context — too privately to have effect, or too publicly to allow for genuine response — does not produce the breakthrough the hexagram describes. The court is the place where declarations carry weight and where accountability is possible.
Modern applications
In career or organizational contexts, Hexagram 43 often appears when something that has been tolerated — a dysfunctional dynamic, an unaddressed problem, a decision that has been deferred — has reached the point where it must be resolved. The hexagram supports taking clear action but asks for the right approach: direct, honest, in the appropriate forum, and without the kind of aggression that turns a necessary confrontation into a destructive one.
In personal contexts, it can describe the moment when something that has been left unsaid must finally be said — a boundary that must be stated, a truth that must be acknowledged, a decision that can no longer be avoided. The classical emphasis on sincerity over force applies: the goal is resolution, not victory.
What this hexagram is not saying
Hexagram 43 is not a license for aggression or for using a position of strength to humiliate or destroy. The I Ching is explicit that the breakthrough must be conducted with a sense of danger — an awareness that even five yang lines pressing against one yin line can produce a bad outcome if the approach is wrong. The single remaining yin line is not to be underestimated.
It is also not saying that every unresolved situation requires this kind of decisive confrontation. The I Ching has many hexagrams that describe patience, gradual influence, and strategic withdrawal. Hexagram 43 applies specifically to situations where the accumulated pressure has reached the point where declaration is necessary — not to every situation where something is imperfect.
Frequently Asked Questions
Common questions
What does Hexagram 43 (Breakthrough) mean?
What is the trigram structure of Hexagram 43?
What can Hexagram 43 help me reflect on?
How does Hexagram 43 differ from Hexagram 44 (Coming to Meet)?
What does Hexagram 43 warn against?
Further Reading
Related guides
All 64 hexagrams
Find another figure by number, name and trigram pair.
Read guideHexagram 44: Coming to Meet (姤)
Compare the adjacent figure in the King Wen sequence.
Read guideHow to cast with coins
Record line totals and construct the relating figure.
Read guideI Ching reading workflow
Keep the question, source passage and interpretation together.
Read guideI Ching Overview
Start with the 64-hexagram structure and responsible use.
Read guideFree I Ching Oracle
Cast six lines in the browser, then open the matching guide.
Read guideNext step
Cast Hexagram 43 context
Use the free I Ching Oracle to cast six lines and compare the primary and relating hexagrams.
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Sources
- Book of Changes: received textChinese Text Project reference for the hexagrams and commentaries. Consult a specified translation for exact English wording.
- Alfred Huang, The Complete I ChingPublisher record identifying the translation and edition; the summaries on this site are editorial prose.
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