Hexagram 34

Great Power (雷天大壮)

Raiten-taisō / Dà Zhuàng

Thunder on heaven—tremendous vigor. Use force correctly to avoid harm.

Upper: Zhen (Thunder)Lower: Qian (Heaven)strengthmomentumforce

Judgment

大壮。利貞。

Great power. Benefit in correctness.

Power peaks; wield it with righteousness or invite disaster.

Line-by-Line (Yao)

Interpretations if the line changes.

初九。壮于趾、征凶、有孚。

Power in the toes—advance brings misfortune, though sincerity exists. Too early to move.

九二。貞吉。

Correctness is fortunate. Use strength rightly.

九三。小人用壮、君子用罔。貞厲。羝羊触藩、羸其角。

The petty uses brute force; the noble uses nets. Upright yet dangerous. A ram butts a fence and hurts its horns.

九四。貞吉、悔亡。藩決不羸、壮于大輿之輹。

Correct and fortunate; regret gone. The fence breaks; strength like a great axle—proper power flows.

六五。喪羊于易、无悔。

Losing the sheep at the boundary—no regret. Letting go eases tension.

上六。羝羊触藩、不能退、不能遂、无攸利。艱則吉。

Ram butts fence, cannot retreat or advance—no benefit. Admitting difficulty brings good.

Practical Reading: Love, Career, Health & Decisions

When you cast Hexagram 34, Dà Zhuàng (Great Power), the Book of Changes shows you a situation with Zhen (Thunder) above and Qian (Heaven) below. Thunder on heaven—tremendous vigor. Use force correctly to avoid harm. Use the cards below to map that pattern onto your specific question — a love reading, a career decision, a health concern, or a yes/no choice.

Love & Relationships

Bold moves suit, but avoid aggression. In a love or relationship reading, Hexagram 34 (Dà Zhuàng) describes the meeting point of Zhen (thunder) above and Qian (heaven) below: how the outer situation meets your inner state. Ask whether you are forcing the relationship to fit a picture, or letting it move at the rhythm this hexagram suggests. For a partnered question, read the changing lines to see which side — yours or the other person's — is being asked to shift.

Work & Career

Ride momentum for big results; beware arrogance. In work and career, Dà Zhuàng points to whether the outer market or workplace (Zhen (thunder)) and your inner stance (Qian (heaven)) are in alignment. If a project, negotiation, or job change is the question, ask what this hexagram says about timing rather than effort: pushing harder rarely changes a Dà Zhuàng situation; reading the configuration usually does.

Health & Wellbeing

High energy—avoid overdoing. For a body or wellness reading, treat the lines of Hexagram 34 as descriptions of phases, not diagnoses. Dà Zhuàng usually signals where energy needs to be conserved versus where it is asking to be expressed. Combine the hexagram's advice with concrete medical guidance — the I Ching is a reflective tool, not a substitute for professional care.

Decision-Making

When the question is a yes/no — should I take the offer, move, leave, commit? — read Hexagram 34 (Dà Zhuàng, Great Power) as a statement about the configuration of your situation rather than the outcome. The summary "Thunder on heaven—tremendous vigor. Use force correctly to avoid harm." is your starting frame. Ask: does this action respect that configuration, or fight it? Changing lines, if any, tell you which specific aspect needs to bend.

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