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Hexagram 34

Great Power (Dà Zhuàng)

Upper Trigram Zhen (Thunder) · Lower Trigram Qian (Heaven)

Judgment

大壮:利贞。

Plain MeaningGreat power: correctness furthers—strength must be used justly.

Image (Great Commentary)

雷在天上,大壮;君子以非礼弗履。

Line Texts

  • 初九壮于趾,征凶,有孚。

    Power in the toes—advancing brings misfortune, though sincere.

  • 九二贞吉。

    Steadfastness brings fortune—strength held in the middle.

  • 九三小人用壮,君子用罔,贞厉。羝羊触藩,羸其角。

    The petty flaunt power, the noble refrain; a ram butts a hedge and snags its horns—danger.

  • 九四贞吉,悔亡。藩决不羸,壮于大舆之輹。

    Steadfast fortune, remorse gone; the hedge opens, strength like a great axle—free advance.

  • 六五丧羊于易,无悔。

    Losing the ram with ease—no remorse; strength given up gently.

  • 上六羝羊触藩,不能退,不能遂,无攸利,艰则吉。

    The ram stuck in the hedge, unable to go or retreat—nothing furthers; hardship met rightly turns to fortune.

Symbolism

Thunder in the heavens: great power that must be restrained.

Life Lesson

At the peak of strength, follow propriety and restrain impulse.

Modern Application

When strong, act within bounds; brute force invites setbacks.

Words of Caution

Charging on brute force only snags you.

The opposite hexagram flips every line, the reverse turns it upside down, and the nuclear hides in the inner lines — read them side by side for a fuller picture.