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Hexagram 27: Nourishment (颐)

Judgment, image, and reflective use for Hexagram 27.

Direct Answer

Hexagram 27, Nourishment (颐 Yi), shows Thunder below the Mountain — the image of a mouth, with movement at the bottom and stillness at the top. It describes the question of what you take in and what you put out: what you eat, what you say, and what you allow to nourish or deplete you. The classical teaching is that character is shaped by intake — both physical and mental. Use it when you are making choices about what to consume, what to produce, or what kind of environment you are sustaining yourself within.

What Hexagram 27 describes

Hexagram 27, Yi (颐), places Thunder below Mountain — movement at the base, stillness above, forming the image of an open mouth. In the I Ching, this hexagram asks two questions simultaneously: what are you nourishing yourself with, and what are you nourishing others with? The classical Judgment reads: "watch what you feed and what feeds you."

The hexagram operates on multiple levels. Physically, it concerns food and the body. Intellectually, it concerns what ideas and information you take in. Socially, it concerns what you say and how your words nourish or deplete the people around you. The I Ching treats all of these as aspects of the same question: the quality of what passes through you shapes who you become.

A useful I Ching reading treats the hexagram as structured reflection, then returns the answer to the real question.

Mingli Atlas Editorial Team, Editorial note

The image and its practical lesson

The image says: "Thunder below the mountain; speech and intake shape character." The I Ching commentary is specific: be careful about what you say, and be moderate in what you eat and drink. This is not moralism — it is a practical observation that the habits of intake and output accumulate into character over time. What you consume regularly becomes part of how you think; what you say regularly becomes part of how others experience you.

The hexagram also asks about the source of nourishment. Seeking nourishment from the right place — from genuine substance rather than from what merely looks satisfying — is the classical standard. The wrong kind of nourishment depletes even as it appears to fill.

Modern applications

In career contexts, Hexagram 27 often appears when someone is depleted — working in an environment that takes more than it gives, or consuming information and stimulation without genuine nourishment. The hexagram asks what is actually sustaining you and whether the sources of nourishment in your current situation are adequate for what you are being asked to produce.

In communication contexts, it describes the responsibility of someone whose words reach many people. What you put into the world through speech, writing, or teaching nourishes or depletes those who receive it. The hexagram asks whether what you are producing is genuinely useful to others or merely satisfying to produce.

What this hexagram is not saying

Hexagram 27 is not prescribing a specific diet or a specific information regimen. The I Ching does not specify what the right nourishment is — it asks you to pay attention to the question. What genuinely sustains you is something you have to discover through honest observation of your own experience, not through following a formula.

It is also not saying that all pleasure is suspect or that enjoyment is a form of weakness. The hexagram is about quality and attention, not about deprivation. The mouth that opens in the image is meant to be filled — the question is with what, and whether what fills it actually nourishes.

Frequently Asked Questions

Common questions

What does Hexagram 27 (Nourishment) mean?
Hexagram 27, 颐 Yi, means watch what you feed and what feeds you. Its Image says, "Thunder below the mountain; speech and intake shape character." Read it as a complete statement about the pattern now present, not as a fixed prediction or isolated omen.
What is the trigram structure of Hexagram 27?
Hexagram 27, 颐 Yi, is built from Mountain above Thunder. This structure gives the page its core image: Thunder below the mountain; speech and intake shape character. The upper trigram shows the visible field, while the lower trigram shows the pressure or resource underneath.
When does Hexagram 27 appear in a reading?
Hexagram 27, 颐 Yi, appears when the question matches this Judgment: "Watch what you feed and what feeds you." It often points to decisions about timing, conduct, relationships, or responsibility where the symbolic image gives a practical response.
How does Hexagram 27 differ from Hexagram 28 (Great Exceeding)?
Hexagram 27, 颐 Yi, emphasizes watch what you feed and what feeds you. Hexagram 28, 大过 Da Guo, emphasizes a heavy load asks for transition, not denial. Read the pair together to distinguish the current condition from its complementary or contrasting phase.
What does Hexagram 27 warn against?
Hexagram 27, 颐 Yi, warns against missing the discipline implied by its Image: "Thunder below the mountain; speech and intake shape character." The risk is treating watch what you feed and what feeds you as permission for habit, haste, or passivity. The safer response is precise conduct that fits the moment.

Further Reading

Next Step

Cast Hexagram 27 context

Use the free I Ching Oracle to cast six lines and compare the primary and relating hexagrams.

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For entertainment and self-reflection purposes.