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Yijian

64 Hexagrams / 26

Da Xu · Great Accumulation

Store your strength now so the road opens later.

Judgment and Plain-Language Notes

Da Xu: Steadfast correctness is beneficial. Not eating at home brings good fortune. It is beneficial to cross the great river.

The Tuan commentary praises firmness, substance and radiance renewing their virtue day by day, and the capacity to restrain strength as great correctness. The Xiang image is heaven held inside a mountain, with the noble person gathering the words and deeds of the past to build up character.

Gen above, Qian below. Heaven is contained within the mountain: great strength is stored rather than spent. The commentary praises knowing when to halt, because only restraint lets you keep renewing what you have. The image asks you to take in the recorded words and actions of people who came before and turn them into your own substance. The judgement favours the capable person who is supported rather than living off their own small store, and favours crossing the great water. This is a hexagram about long accumulation bought as passage.

The judgment's beneficial steadfastness, good fortune in not eating at home, and beneficial great river crossing are all favorable. The fourth six has supreme good fortune, the fifth good fortune, and the top nine success, with the Image saying “the Way is widely carried out.” The overall assessment is high, hence the rating: Highest Favorability. Yet the first nine's danger and beneficial stopping, and the second's detached wagon axle supports, still call for restraint and pauses while accumulating. This is the app's interpretation of the text, not a guarantee of outcomes.

Worth doing: build up knowledge and capability, set your own limits, and wait for the task that fits. Avoid: collecting without ever practising, or taking on a heavy charge before you are ready for it.

Understand This Hexagram Through Its Structure

Gen above, Qian below: a whole Qian held beneath a mountain — force accumulating.

The lower trigram of Da Xu is Qian, all solid; the upper is Gen, broken at the fourth and fifth and solid at the sixth. The first, second, third and sixth lines are solid. The restraining trigram is above and the whole Qian being restrained is below.

In Xiao Xu a single yin line restrains; in Da Xu a whole Gen stops from above. Because the restraint is substantial, so is what accumulates — xu here means accumulating rather than suppressing. The force has not vanished; it simply is not going outward for now. Note that the structure does not say when it is released, only that this is the accumulating stage.

A teaching example, not a prediction: a team pauses external releases and spends three months paying down technical debt. Da Xu describes that structure of accumulating first; it does not say the team later moves faster.

The Six Lines: Original Text and Reflection

Nine at the beginning: There is danger. It is beneficial to stop.

The Xiang commentary says that stopping when there is danger keeps you from walking into harm. Halting here is prevention, not retreat.

There is advantage in stopping once you sense danger. The point is not timidity but refusing a head-on push while your strength is still short.

When clear resistance appears right at the start, pause and take stock of what you actually have. Filling the gaps first costs less than pressing on and losing ground.

Is this resistance telling you that you are underprepared, or just that the start is uncomfortable?

Nine in the second place: The wagon's axle supports come loose.

The axle strap has come off the cart, so it cannot move. The Xiang commentary reads the central position as showing that stopping here carries no blame.

The linkage has failed and the cart will not roll. Being forced to stop is not a fault; it is a signal to repair the thing that broke before travelling on.

When a plan stalls halfway, fix the part that actually failed. Throwing more people at a cart with a broken connection does not move it.

What broke here, the driving force or the joint that connects the parts?

Nine in the third place: Fine horses pursue one another. Steadfastness through hardship is beneficial. Train the wagon and its defenses; it is beneficial to proceed.

Good horses give chase; it favours holding correct through hardship, and practising with the carriage and its defences. The Xiang commentary says movement is possible because your intent aligns with those above you.

The horses can run, but you must stay correct through the difficulty and be already practised at driving and at guarding the load. That is what makes advance worthwhile.

When the chance to speed up arrives, keep your fundamentals and your safeguards in place. Speed is carried by drills done beforehand, not by the push of the moment.

If your pace doubled tomorrow, which basic skill would give way first?

Six in the fourth place: A young ox's headboard. Supreme good fortune.

A headboard is fitted to a young bull before its horns come through. The Xiang commentary calls this great good fortune with cause for gladness, because early restraint costs little.

Restrain the calf before the horns are sharp and the smallest effort does the job. That is why the line reads so well. Everything depends on being early.

A small fault is cheapest to handle the week it appears. Once it hardens into a habit or spreads into common practice, the price goes up sharply.

Which small problem would take you ten minutes to settle right now?

Six in the fifth place: A castrated boar's tusks. Good fortune.

The tusk of a gelded boar: the charging temper is addressed at its source rather than the tusk being guarded against. The Xiang commentary marks this as an occasion for celebration.

Faced with the boar's tusk, changing what drives the charge works better than blocking the tusk each time. That is why the line is favourable.

For conflicts that keep recurring, find and adjust the condition that keeps producing them. Catching each surface flare-up one by one never ends.

What is really driving this problem that keeps coming back?

Nine at the top: How open is Heaven's highway! Success.

Accumulation reaches its limit and the way opens like the great thoroughfare of heaven. The Xiang commentary says the way is now travelled widely, hence success.

What has been stored breaks into open ground, like stepping onto a broad highway. Long cultivation turns here into a road you can actually walk.

When years of preparation finally meet an opening, you can use everything you have. Remember that the restraint and the practice are what paved the road.

Which capability you have been building for years fits the opening in front of you?

Try It Yourself

Swap the halves so Gen moves down and Qian moves up, and see what the name becomes.

This page has a hands-on exercise. It is built into the Traditional Chinese page: open the interactive exercise.

Quick Quiz

What is the difference between Da Xu and Xiao Xu?
  • Da Xu is restrained by a whole Gen above; Xiao Xu by a single yin line
  • Their lower trigrams differ
  • Da Xu has no yin lines
View answers and explanations for every option

Da Xu has the whole Gen trigram restraining above; Xiao Xu has only one yin line (Correct) : Correct. Different amounts of restraint mean different amounts of accumulation.

Their lower trigrams differ : Both have Qian as their lower trigram.

Da Xu has no yin lines : Da Xu's fourth and fifth lines are broken.

What does xu mean here?
  • Accumulating: the force is not going outward for now
  • Being used up
  • Keeping livestock
View answers and explanations for every option

Accumulating: strength does not move outward for now (Correct) : Correct. Being stopped does not mean disappearing.

Being used up : Lower Qian has three solid lines; the strength has not diminished.

Keeping livestock : In the hexagram's name, it means accumulation.

Is the sixth line of Da Xu yin or yang?
  • Yang (solid)
  • Yin (broken)
  • It varies
View answers and explanations for every option

Yang (solid line) (Correct) : Correct. The solid line of upper Gen is at the very top.

Yin (broken) : Gen's top line is solid; the broken lines are the fourth and fifth.

It varies : Each line in a given hexagram is fixed. Da Xu's sixth line is solid.

Source: Wikisource, Zhouyi. Classical text in the public domain; digital edition under CC BY-SA 4.0 . revid 2405001 (original text checked against the Wikisource MediaWiki API revisions response on 2026-09-24). “Da Xu:” was added as a display heading. The second nine's Image retains the historical wu marked -{wu}- rather than its modern traditional form. The third nine retains the source's yue character and punctuation in “train the wagon and its defenses.” Apart from removing wiki markup, no character forms were normalized. Accessed 2026-09-24. CC BY-SA 4.0 . This page retains the original app's arrangement of the classical text and plain-language teaching, reformatted for the web.

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