Hexagram 27: Yi, The Mountain over Thunder
Hexagram Yi (山雷颐) is the twenty-seventh hexagram of the sixty-four I Ching hexagrams. Composed of the Mountain (Gen ☶) trigram above and Thunder (Zhen ☳) below, it is classified as a miscellaneous hexagram. It symbolizes nourishment, sustenance, cultivation, and "seeking food for oneself," capturing the image of thunder below the mountain—moving yet contained—and the act of nourishing the mouth and belly. Its core essence is encapsulated in the phrase: "Thunder below the mountain is Yi. The nobleman is careful with speech and temperate in eating and drinking." It governs the nourishment of body and mind, cultivating uprightness and virtue, self-reliance, and balanced moderation. As a moderately auspicious hexagram, it reveals the principle that nourishment of the correct path brings good fortune, that cultivating virtue precedes nurturing the body, and that one must rely on oneself to procure sustenance.
Symbolic Image and Primary Judgment
Symbolic Image
Mountain over Thunder (Yi)
Hexagram 27 · Mountain Above, Thunder Below · Thunder Below the Mountain
Upper Trigram: Mountain (Gen ☶)Lower Trigram: Thunder (Zhen ☳)Five Elements: Earth & Wood (Mountain belongs to Earth, Thunder to Wood)
Symbolizing the path revealed by Hexagram Yi, The Mountain over Thunder.
Primary Judgment
Yi: Steadfastness brings good fortune. Observe nourishing; by yourself seek nourishment.
Interpretation: The Yi hexagram symbolizes nourishment. Steadfastness and righteousness bring good fortune. When observing the Way of Nourishment, one should be self-reliant and not depend on others. This signifies that following the proper path in nourishment yields auspiciousness; establishing oneself requires self-sufficiency, without greedily seeking inappropriate provision.
Line Texts
First Nine (Initial Yang Line): You renounce the magic tortoise; you gaze at me as my jaws move. Misfortune.
You renounce the magic tortoise; you gaze at me as my jaws move. Misfortune. Interpretation: You abandon your intrinsic virtue—like the magic tortoise that nourishes itself without eating—to greedily watch me drool over delicacies. This bodes misfortune. It warns that abandoning inner moral cultivation in favor of pursuing selfish physical desires inevitably attracts danger.
Six in the Second Place: To attend to the nourishment of the lower level disregarding propriety is a perversion. To attempt to provide nourishment from a (commanding) hilltop—to go forward brings misfortune.
To attend to the nourishment of the lower level disregarding propriety is a perversion. To attempt to provide nourishment from a (commanding) hilltop—to go forward brings misfortune. Interpretation: Inverting the way of nourishment by seeking from below violates natural order; seeking nourishment from an elevated, inappropriate place leads to misfortune in action. It symbolizes reversing the proper roles (seeking from inferiors when one should give), turning things upside down, and failing to follow the regular way of nourishment. Unwise action results in danger.
Six in the Third Place: Going against proper nourishment. Perseverance brings misfortune. Ten years. Do not apply. Nothing serves to gain.
Going against proper nourishment. Perseverance brings misfortune. Ten years. Do not apply. Nothing serves to gain. Interpretation: Opposing the way of nourishment results in misfortune even if one perseveres with correctness. Do not attempt anything for ten years, as it will yield no benefit. This signifies that when one's approach to nourishment is fundamentally flawed, the foundation is already damaged, making sustained positive action unfeasible for a long time.
Six in the Fourth Place: Reversing the source of nourishment. Good fortune. A tiger, watchful and wary, its desires ardent; it will bring no fault.
Reversing the source of nourishment. Good fortune. A tiger, watchful and wary, its desires ardent; it will bring no fault. Interpretation: Inverting the source from which one seeks nourishment brings good fortune. Like a tiger intently focused, one ardently and continuously seeks strong, firm support for nourishment. This results in no blame. It symbolizes occupying a position and seeking the aid of strong Yang quality, using strength to nurture uprightness. This aligns with the Way and brings no fault.
Six in the Fifth Place: To depart from regularity. To persevere quietly in one's place brings good fortune. One may not cross the great river.
To depart from regularity. To persevere quietly in one's place brings good fortune. One may not cross the great river. Interpretation: Deviating from the proper norm, remaining quietly in place with steadfast correctness brings good fortune. One should not attempt to ford the great river. This signifies the soft, yin nature residing in the honored position. It indicates one should not embark on risky, great endeavors to achieve merit. Instead, one should remain steadfast and tranquil to nourish oneself.
Top Nine: Nourishing from within. Danger and also good fortune. It is favorable to cross the great river.
Nourishing from within. Danger and also good fortune. It is favorable to cross the great river. Interpretation: To nourish All-under-Heaven from one's own integrity incurs danger, yet ultimately leads to good fortune. It is favorable to cross the great river. This symbolizes using firmness and uprightness to nourish others and virtuous talents, taking on heavy responsibilities, achieving great success, and attaining good fortune.
Core Symbolism
In Hexagram Yi, the upper trigram Mountain represents stillness and stopping; the lower trigram Thunder represents movement and action. Movement below and stillness above resembles the chewing motion of the jaws—action with restraint—signifying the nurturing of life, of virtue, of others, and of talent. It corresponds to activities in human life such as dietary health, moral self-cultivation, self-reliance, and providing for others. It emphasizes restraining speech and action, nurturing uprightness to avoid perversion, and maintaining consistent balance between action and stillness. It warns that greedily pursuing nourishment and profit without effort leads to misfortune.
The six lines of Yi revolve around the theme of nourishing. The first nine rejects intrinsic nourishment for physical desire (misfortune). The six in the second place inverts the order, violating the norm (misfortune). The six in the third opposes the Way of Nourishment, creating misfortune even with perseverance. The six in the fourth inverts the source but gains strong assistance (good fortune). The six in the fifth remains peacefully steadfast, avoiding risk. The top nine nourishes others from one's own integrity, succeeding despite danger. The overarching core theme is: Righteous nourishment brings good fortune, moderation of body and mind is essential, and one must rely on oneself.
Natural Correlations (Wanwu Lei Xiang)
- Nature of Hexagram: Miscellaneous Hexagram. Movement below, stillness above. Thunder below the mountain. Nourishment with restraint.
- Five Elements: Wood and Earth (Thunder belongs to Wood, Mountain to Earth).
- Directions: Northeast and East.
- Seasonal Timing: Early spring, when all things sprout and store energy.
- Associated Persons: Health cultivators, self-cultivating noblemen, providers, those involved in food and sustenance.
- Body Parts: Spleen/Stomach, Liver/Gallbladder, mouth and teeth, muscles. Governs nourishment, balance of Qi and blood.
- Animals: Tortoise, Tiger, Dragon, mountain creatures.
- Objects: Eating utensils, spiritual tortoise, ceremonial vessels.
- Locales: Forests/mountains, places for health cultivation, eastern thunder lands.
- Human Affairs: Self-cultivation and character refinement, moderation in diet, careful speech to nurture virtue, self-reliance.
- Colors: Emerald (green), Yellow, Brown.
- Five Flavors: Sour, Sweet.
- Numbers: Three, Five, Seven.
Classic Texts
Primary & Line Texts
The Hexagram Yi: Perseverance brings good fortune. Observe nourishing; by yourself seek nourishment. First Nine: You renounce the magic tortoise; you gaze at me as my jaws move. Misfortune. Six in the Second Place: To attend to the nourishment of the lower level disregarding propriety is a perversion. To attempt to provide nourishment from a (commanding) hilltop—to go forward brings misfortune. Six in the Third Place: Going against proper nourishment. Perseverance brings misfortune. Ten years. Do not apply. Nothing serves to gain. Six in the Fourth Place: Reversing the source of nourishment. Good fortune. A tiger, watchful and wary, its desires ardent; it will bring no fault. Six in the Fifth Place: To depart from regularity. To persevere quietly in one's place brings good fortune. One may not cross the great river. Top Nine: Nourishing from within. Danger and also good fortune. It is favorable to cross the great river.
Tuan Zhuan (Commentary on the Judgment)
《彖》曰：颐，贞吉，养正则吉也。观颐，观其所养也；自求口实，观其自养也。天地养万物，圣人养贤以及万民，颐之时大矣哉。
Interpretation: The Yi hexagram brings good fortune through steadfastness because nourishing the correct way leads to good fortune. To "observe nourishing" is to observe those one nourishes; to "seek nourishment by oneself" is to observe how one nurtures oneself. Heaven and Earth nourish all things; the sage nourishes worthy people and extends this to the masses. The significance and timeliness of Yi is truly great!
Xiang Zhuan (Commentary on the Symbol)
《象》曰：山下有雷，颐。君子以慎言语，节饮食。
Interpretation: With thunder active below the mountain, this is the image of Yi (nourishment). The noble person, following this image, is careful with words and temperate in eating and drinking, thus nurturing virtue and body.
*《象》曰：
- 观我朵颐，亦不足贵也。
- 六二征凶，行失类也。
- 十年勿用，道大悖也。
- 颠颐之吉，上施光也。
- 居贞之吉，顺以从上也。
- 由颐厉吉，大有庆也。*
Interpretation:
- Gazing with a craving mind at food being eaten indicates unworthy conduct.
- The misfortune from action in the six in the second place is due to losing proper association.
- "Do not act for ten years" because it greatly violates the Way of Nourishment.
- The good fortune of "reversing the source of nourishment" lies in the radiance bestowed from the one above.
- The good fortune of "persevering quietly in one's place" comes from following and yielding to the one above.
- The good fortune, despite danger, from "nourishing from within" is a cause for great celebration.
Frequently Asked Questions
Is Hexagram Yi primarily auspicious or inauspicious?
Answer: Yi is a moderately auspicious hexagram. Adhering to the correct path, practicing self-restraint, and nourishing body and mind brings good fortune. Conversely, giving in to selfish desires and violating the natural order leads to misfortune.
What does "seeking nourishment by oneself" (自求口实) mean in Yi?
Answer: It means self-reliance—using one's own capabilities to obtain life's necessities without dependency on others or greed for unearned gains. This is the fundamental principle of nourishment.
What situations is Hexagram Yi suitable for?
Answer: It is suitable for scenarios related to self-cultivation, moderation in diet, careful speech, self-reliance, and the nurturing of virtuous individuals. It is not suitable for selfish greed, seeking gain without effort, or reckless, risky ventures.
What insights does consulting Yi offer regarding health cultivation or self-cultivation?
Answer: It advises careful speech, moderate eating and drinking, cultivating virtue through the correct path. The Top Nine line—nurturing others and talent—is most auspicious. The Six in the Fourth—seeking strength—can bring good fortune. Avoid the temptation of physical desire as indicated by the First Nine.
What is the difference between Yi and Hexagram 28, Da Guo (The Preponderance of the Great)?
Answer: Yi focuses on nourishing life correctly, balancing action and stillness, governing cultivation and vitality. Da Guo signifies excessive force, bending, and the image of undertaking monumental tasks. These two are inverted forms (zonggua) of each other, one representing proper nourishment and the other great overaction, opposite yet complementary.
FAQ
What is the core meaning of Hexagram Yi?
Hexagram Yi (颐) primarily symbolizes nourishment, cultivation, and self-sufficiency. The imagery of Thunder beneath the Mountain represents movement contained and directed, much like the process of nourishing both the body and the mind. The core teaching advises caution in speech and moderation in eating and drinking, emphasizing that true good fortune comes from nourishing oneself and cultivating virtue through correct principles and self-reliance.
Is Hexagram Yi considered auspicious?
Hexagram Yi is generally considered a moderately auspicious hexagram. Its overall judgment states that "Steadfastness brings good fortune." However, the outcome is contingent on following the "correct way" of nourishment, which prioritizes cultivating inner virtue and self-sufficiency over gratifying mere physical desires. Many of its line texts warn that deviation from this path leads to misfortune.
What does "seeking nourishment by yourself" mean?
The phrase "by yourself seek nourishment" from the primary judgment underscores the principle of self-reliance. It means that the fundamental responsibility for one's sustenance—be it physical, mental, or spiritual—lies with oneself. One should not greedily or improperly depend on others. It encourages building a solid foundation from within and procuring what is needed through one's own upright efforts.
How do the upper and lower trigrams combine to create meaning?
The hexagram is composed of the Mountain (Gen ☶) trigram above and the Thunder (Zhen ☳) trigram below. The Mountain symbolizes stillness, restraint, and stopping, while Thunder symbolizes movement, arousal, and initiative. Together, they paint the picture of thunderous activity contained and shaped by the mountain. This represents the idea that nourishment requires disciplined action (seeking food) balanced with stillness and moderation (chewing, digesting, reflecting).
What is the warning in the first line (First Nine)?
The first line warns against abandoning your inner resources to envy or covet what others have. The "magic tortoise" symbolizes inner wisdom and self-sufficiency that needs no external feeding. "Gazing at me as my jaws move" represents a greedy focus on another's apparent gain. The resulting misfortune comes from neglecting one's own moral and spiritual cultivation in pursuit of superficial, selfish desires.
Why does the fourth line (Six in the Fourth Place) discuss "reversing" and find good fortune?
Here, "reversing the source of nourishment" is positive because it means turning away from seeking sustenance from below (inferiors or improper sources) and instead looking upward to seek support from a strong, yang source (like a superior or a solid principle). The analogy of the watchful, ardent tiger symbolizes using this firm external support to nurture one's own correctness, which aligns with the hexagram's way and brings good fortune without blame.
What is the advice for the ruling fifth line (Six in the Fifth Place)?
The fifth line, being a yin line in a respected position, advises quiet perseverance. It has "departed from regularity," meaning it is in a position that requires adapting the normal rules of nourishment. The advice is to remain steadfast and calm in one's place, which brings good fortune. It explicitly warns against embarking on major, risky ventures ("crossing the great river"), indicating that quiet consolidation and self-cultivation are the priorities here.
What broader life areas does Hexagram Yi apply to?
Beyond physical sustenance, Hexagram Yi's philosophy applies to:
- Personal Development: Cultivating knowledge, virtue, and talent.
- Health: Practicing moderation in diet and lifestyle.
- Relationships: Nurturing others and being nurtured in balanced, proper ways.
- Leadership: Providing just nourishment (resources, guidance) to those you are responsible for.
- Spiritual Practice: Feeding the spirit through discipline and introspection.
How should one act when Hexagram Yi appears in a consultation?
Receiving Hexagram Yi is a call to examine what and how you are nourishing. Focus on self-reliance, moderation, and the cultivation of inner integrity. Be careful with your words and consumption. It suggests a time for building your foundations through steady, correct action rather than seeking quick gains from external sources. Review the specific changing lines for more precise guidance on your situation.
What is the connection between nourishment and speech in this hexagram?
The summary statement that "the nobleman is careful with speech" directly links verbal expression to the concept of nourishment. Words can nurture or harm oneself and others. Being "careful with speech" is an extension of the hexagram's call for moderation and discipline—what we say "feeds" situations and relationships. Thus, proper nourishment involves not just physical sustenance but also mindful communication that sustains harmony and truth.