Hexagram 34: The Great Strength (雷天大壮)
The Great Strength (雷天大壮), the thirty-fourth hexagram of the I Ching, consists of Thunder (震) above and Heaven (乾) below. It is categorized as a miscellaneous hexagram, symbolizing robust vigor, firm strength, prosperity, and vigorous advancement. The image is of Thunder above Heaven, representing the vigorous growth of Yang energy. Its core meaning is encapsulated in the phrase: "Thunder in Heaven: Great Strength. The superior person does not tread on what is not in accordance with propriety." It governs maintaining strength with propriety, possessing power with moderation, adhering to correctness without recklessness, and being strong yet cautious. It is a moderately auspicious hexagram, revealing the principle of Yang energy flourishing vigorously, being strong without arrogance, and being regulated by propriety.
Hexagram Image and Judgment
Hexagram Image
雷天大壮
Hexagram 34 · Thunder above, Heaven below · Thunder in Heaven
Upper Trigram: Zhen ☳ (Thunder)Lower Trigram: Qian ☰ (Heaven)Five Elements: Wood-Metal (Zhen belongs to Wood, Qian belongs to Metal)
Symbolizing the Way revealed by The Great Strength.
Judgment
Great Strength (大壮): Perseverance furthers.
Interpretation: Great Strength symbolizes firmness and vigorous power. It is favorable to persevere in what is correct. This signifies that in times of strength and prosperity, only by adhering to correctness and propriety can one maintain this robust state.
Line Statements
First Nine: Strength in the toes. To advance brings misfortune. There is sincerity.
Strength in the toes. To advance brings misfortune. There is sincerity. Interpretation: Strength manifests in the toes. Advancing hastily leads to danger; one must harbor sincerity and not act rashly. This warns that at the beginning of strength, relying on force and acting recklessly will inevitably bring misfortune.
Nine in the Second Place: Perseverance brings good fortune.
Perseverance brings good fortune. Interpretation: Persevering in what is correct brings good fortune. Being firm yet able to maintain the center, not presuming on strength to act recklessly, is the proper way to handle a position of strength.
Nine in the Third Place: The inferior man uses strength; the superior man does not use it. Perseverance is dangerous. A ram butts against a hedge and gets its horns entangled.
The inferior man uses strength; the superior man does not use it. Perseverance is dangerous. A ram butts against a hedge and gets its horns entangled. Interpretation: An inferior man relies on strength to act recklessly; a superior man does not presume on firm strength. Even persisting correctly requires guarding against danger. It is like a ram butting against a hedge, its horns becoming entangled and causing distress. This warns that excessive firmness and reliance on strength lead to entrapment.
Nine in the Fourth Place: Perseverance brings good fortune. Remorse disappears. The hedge opens; there is no entanglement. Strength is like the spokes of a great cart's wheel.
Perseverance brings good fortune. Remorse disappears. The hedge opens; there is no entanglement. Strength is like the spokes of a great cart's wheel. Interpretation: Persevering correctly brings good fortune; regret vanishes. Breaking through the hedge without entanglement, strength is as firm as the spokes of a great cart. This signifies that firm strength, when applied appropriately, can break through obstacles and advance without blame.
Six in the Fifth Place: Loses the goat with ease. No remorse.
Loses the goat with ease. No remorse. Interpretation: Losing the nature of firm strength in an easygoing manner, one acts with gentleness and compliance, and there is no regret. Using softness to control firmness, losing strength yet maintaining the center, there is no blame or regret.
Top Six: A ram butts against a hedge. It cannot go back, it cannot go forward. Nothing is favorable. If one is mindful of the difficulty, there will be good fortune.
A ram butts against a hedge. It cannot go back, it cannot go forward. Nothing is favorable. If one is mindful of the difficulty, there will be good fortune. Interpretation: A ram butts against a hedge, unable to retreat or advance, gaining no benefit. Persevering through hardship and maintaining correctness while awaiting change brings good fortune. This symbolizes being trapped at the extreme of strength; only through quiet perseverance and repentance can one find peace.
Core Symbolism
The Great Strength hexagram has Thunder (Zhen) above, representing movement, and Heaven (Qian) below, representing firmness. Thunder moves in the sky, signifying the vigorous growth and powerful momentum of Yang energy. It symbolizes strong power and vigorous action, but firm strength is prone to impetuousness and must be regulated by propriety and adherence to correctness. Corresponding to human affairs, it relates to flourishing enterprises, firm and vigorous advancement, guarding against arrogance when strong, and acting according to propriety. It governs being strong yet cautious, firm yet correct, and possessing power with moderation. It warns that presuming on strength to act recklessly and acting contrary to propriety will invite misfortune.
The six lines of the Great Strength hexagram revolve around the way of handling strength: the First Nine acts recklessly relying on strength, advancing brings misfortune; the Nine in the Second Place maintains the center and correctness, bringing auspicious stability; the Nine in the Third Place shows the inferior man presuming on strength, the superior man guarding against firmness, like a ram butting a hedge; the Nine in the Fourth Place breaks through obstacles, strength brings good fortune; the Six in the Fifth Place loses strength and acts with gentleness, having no regret or blame; the Top Six is in a dilemma, perseverance through hardship brings good fortune. The overall core is maintaining strength with propriety, being strong without arrogance, and using correctness to govern strength.
Universal Correspondences
- Hexagram Nature: Miscellaneous hexagram, movement above and firmness below; Thunder in Heaven, Yang energy flourishing vigorously.
- Five Elements: Wood-Metal (Zhen belongs to Wood, Qian belongs to Metal).
- Directions: East and Northwest.
- Time Sequence: Mid-spring, when Yang energy is flourishing and thunder moves across the sky.
- People: Persons of firm strength, prosperous superior persons, courageous and martial individuals, strong individuals who uphold propriety.
- Body: Lungs, liver/gallbladder, bones of the feet; governs robust vitality and strong sinews/bones.
- Animals: Ram, horse, loong, fierce beasts.
- Objects: Large carts, wheels, hedges/fences, tools with horns or armor.
- Places: The sky's edge, wilderness, places where thunder travels, realms of firm strength.
- Human Affairs: Vigorous advancement and prosperity, guarding against arrogance when strong, acting according to propriety, firm and effective action.
- Colors: Emerald (green), White, Champagne (gold).
- Five Flavors: Sour, Pungent.
- Numbers: One, Three, Four.
Classical Texts
Judgment and Line Statements
雷天大壮： 大壮：利贞。初九： 壮于趾，征凶，有孚。 九二： 贞吉。 九三： 小人用壮，君子用罔，贞厉。羝羊触藩，羸其角。 九四： 贞吉，悔亡。藩决不羸，壮于大舆之輹。 六五： 丧羊于易，无悔。 上六： 羝羊触藩，不能退，不能遂，无攸利。艰则吉。
Commentary on the Decision (Tuan Zhuan)
《彖》曰：大壮，大者壮也。刚以动，故壮。大壮利贞，大者正也。正大而天地之情可见矣。
Interpretation: Great Strength means the greatness of the firm is strong. Firmness combined with action, therefore it is strong. "Great Strength furthers perseverance" means the great is correct. In correctness and greatness, the feelings of heaven and earth are made visible.
Commentary on the Images (Xiang Zhuan)
《象》曰：雷在天上，大壮。君子以非礼弗履。
Interpretation: Thunder in Heaven forms the image of Great Strength. The superior person, in accordance with this, does not tread on paths that are not in accordance with propriety.
《象》曰：
- 壮于趾，其孚穷也。
- 九二贞吉，以中也。
- 小人用壮，君子罔也。
- 藩决不羸，尚往也。
- 丧羊于易，位不当也。
- 不能退，不能遂，不详也。艰则吉，咎不长也。
Interpretation: Strength in the toes: his sincerity is exhausted (and should not act rashly). The good fortune of the Nine in the Second Place through perseverance is due to its central position. The inferior man uses strength; the superior man does not act thus. The hedge opens without entanglement: one may still go forward. Losing the goat with ease: the position is not appropriate. Unable to retreat, unable to advance: one has not considered things carefully. If mindful of the difficulty, there is good fortune: misfortune does not last long.
Frequently Asked Questions
Is the Great Strength hexagram primarily auspicious or inauspicious?
Answer: The Great Strength hexagram is moderately auspicious. If one maintains strength with correctness and regulates it with propriety, it is auspicious. If one presumes on strength to act recklessly and acts contrary to propriety, it is inauspicious.
What does "does not tread on what is not in accordance with propriety" (非礼弗履) mean in the Great Strength hexagram?
Answer: It means resolutely not doing things that are not in accordance with propriety or the correct path. It is the principle of conduct in times of strength, using propriety to govern firmness and correctness to control strength.
What scenarios is the Great Strength hexagram suitable for?
Answer: It is suitable for scenarios involving firm and vigorous advancement, flourishing enterprises, and energetic action—situations of robust strength. It is not suitable for bullying the weak with strength, acting rashly and recklessly, or acting contrary to propriety.
What guidance does the Great Strength hexagram offer when consulting about career advancement?
Answer: It is advisable to be strong yet cautious, and to maintain correctness and propriety. The Nine in the Second Place, maintaining the center, is most auspicious. The Nine in the Fourth Place, breaking through obstacles, brings good fortune. The First Nine and Nine in the Third Place warn against relying on firmness to advance recklessly. The Top Six requires quiet perseverance while awaiting change.
What is the relationship between the Great Strength hexagram and the Retreat (遁) hexagram?
Answer: The Retreat hexagram governs Yin growth and Yang decline, retreat and withdrawal. The Great Strength hexagram governs Yang flourishing vigorously, firm and vigorous advancement. They are inverse (综) hexagrams of each other—one retreats, the other advances; one withdraws, the other is strong—each conforming to the prevailing trend of Yin and Yang's waxing and waning.
FAQ
What is the basic meaning of Hexagram 34, The Great Strength?
Hexagram 34, The Great Strength (雷天大壮), symbolizes robust vigor, firm power, prosperity, and vigorous advancement. The image of Thunder (movement) above Heaven (firmness) represents the powerful and growing momentum of Yang energy. The core message is that great strength must be paired with propriety and correctness to be truly auspicious, as reflected in the dictum: "The superior person does not tread on what is not in accordance with propriety."
What is the core advice of the hexagram judgment?
The judgment states, "Great Strength: Perseverance furthers." This means that during times of powerful momentum and prosperity, true success is only achieved by persevering in what is correct and proper. Merely having strength is not enough; it must be channeled with discipline and righteousness to maintain a favorable outcome.
How should one act according to the first line (First Nine)?
The first line warns, "Strength in the toes. To advance brings misfortune. There is sincerity." At the initial stage of gathering strength, power resides in a low, foundational place (the toes). Hasty or forceful advancement based on this raw energy leads to danger. The advice is to harbor sincerity and refrain from rash action, building a firm foundation before making a major move.
What is the key lesson from the contrast in the third line (Nine in the Third)?
The third line draws a sharp distinction: "The inferior man uses strength; the superior man does not use it. Perseverance is dangerous." It compares a reckless person who relies on brute force to a noble person who does not presume upon strength. Even a correct course can be perilous if approached with arrogance, like a ram butting a hedge and entangling its horns. The lesson is to guard against the pitfalls of excessive firmness and coercive action.
How is the impasse at the end of the hexagram (Top Six) resolved?
The final line (Top Six) describes a state of being trapped: "A ram butts against a hedge. It cannot go back, it cannot go forward. Nothing is favorable." The resolution lies in the final sentence: "If one is mindful of the difficulty, there will be good fortune." When strength is exhausted and one is stuck, fortune comes from recognizing the difficulty, practicing quiet perseverance, and awaiting a change. This mindfulness and patience transform the situation.
Why is propriety (ritual, Li 礼) so important in this hexagram of strength?
Propriety serves as the essential regulating force for great strength. Without the restraint of propriety, raw power becomes arrogant, reckless, and self-destructive, leading to misfortune, as illustrated by multiple lines about rams entangled in hedges. The hexagram teaches that strength is most effective and enduring when it is expressed with moderation, self-awareness, and in accordance with righteous principles.
What practical situation might The Great Strength apply to today?
This hexagram applies to any scenario involving powerful momentum, growth, or force. This could include a thriving business, a strong political movement, or a period of peak personal energy and confidence. The hexagram’s advice is to advance vigorously but wisely, ensuring actions are justified, measured, and morally sound. It’s a warning to avoid overextension, bullying tactics, or violating norms even when you feel powerful.
Is Hexagram 34 considered a completely auspicious hexagram?
No, it is considered moderately auspicious. While it signifies powerful and favorable energy, the judgment's condition ("Perseverance furthers") and the multiple warnings within its lines indicate that the outcome depends entirely on whether the strength is managed correctly. Blind force leads to misfortune, while strong action tempered by propriety and correctness leads to success.
How do the lower three Yang lines (the "thick line") influence the hexagram’s meaning?
The four Yang lines, especially the three solid ones at the bottom representing Heaven (乾), create the hexagram's foundational power and upward-thrusting energy. They embody the hexagram's name: great and firm strength. However, this immense force from below, when acted upon by Thunder (震/ movement) above, must be channeled properly. The hexagram's wisdom lies in managing this potent energy.
What is the significance of the "ram" imagery in lines three and six?
The ram is a classic symbol of assertive, blunt, and sometimes stubborn masculine force. In line three, it butts a hedge and gets its horns tangled, representing action blocked by its own recklessness. In line six, it is completely stuck, unable to move. This recurring symbol illustrates the central peril of this hexagram: applying untempered strength to an obstacle will lead to a costly impasse where one is trapped by one's own power.