易經 · The Book of Changes

The I Ching Decoded

A visual introduction to the Yijing: how yin and yang lines create eight trigrams and 64 hexagrams, how changing lines connect readings, and how the text is traditionally approached for reflection.

Ancient text, living tradition

What is the I Ching?

The I Ching—also written Yijing (易經), the Book of Changes—is an ancient Chinese classic with intertwined divinatory, philosophical and commentarial traditions.

A book of change

Its recurring concern is how to respond to shifting circumstances with awareness, humility and appropriate action.

Line by line

Six stacked yin or yang lines form each hexagram. Traditional texts attach names, judgments and line statements to these figures.

A mirror for reflection

Consultation can be approached as a structured pause for examining a situation and considering possible responses—not fixed prophecy.

Visual guide

The I Ching in 15 slides

Each image introduces one layer of the system. Select a slide to open the original 600 × 338 version.

I Ching Decoded cover with eight colored trigram symbols around the Yi character
Slide 01

The I Ching Decoded

The guide begins with the Book of Changes and follows the symbolic structure from two line types to complete hexagrams.

Slide explaining the I Ching as a book of change, line-based text and mirror for reflection
Slide 02

What Is the I Ching?

The Yijing can be read as a divination manual, philosophical classic and reflective framework for responding to change.

Yin and yang building blocks showing an unbroken yang line and broken yin line
Slide 03

Yin & Yang: The Building Blocks

An unbroken line represents yang and a broken line represents yin. Their changing combinations create the figures used throughout the text.

Diagram showing two three-line trigrams stacked to form one six-line hexagram
Slide 04

From Trigrams to Hexagrams

Three lines make one of eight trigrams. An upper and lower trigram combine into one of 64 possible six-line hexagrams.

Qian Heaven trigram with three unbroken lines and associations of strength and initiative
Slide 05

Qian · Heaven ☰

Three yang lines form Qian. Common associations include creative force, strength, initiative, the northwest and the father.

Kun Earth trigram with three broken lines and associations of nurturing and receptivity
Slide 06

Kun · Earth ☷

Three yin lines form Kun. It is commonly associated with receptivity, nurturing support, the southwest and the mother.

Zhen Thunder trigram with associations of action, awakening and movement
Slide 07

Zhen · Thunder ☳

A yang line beneath two yin lines suggests a sudden jolt of movement. Associations include awakening, action, the east and the eldest son.

Xun Wind trigram with associations of gentleness, flexibility and gradual influence
Slide 08

Xun · Wind ☴

A yin line beneath two yang lines evokes gentle but persistent influence. It is linked with the southeast, wood and the eldest daughter.

Kan Water trigram with associations of danger, depth, flow and perseverance
Slide 09

Kan · Water ☵

A yang line between two yin lines is associated with depth, danger and flow. Kan is linked with north, water and the middle son.

Li Fire trigram with associations of clarity, illumination, beauty and insight
Slide 10

Li · Fire ☲

A yin line held between two yang lines suggests brightness that clings to fuel. Li is linked with south, fire and the middle daughter.

Gen Mountain trigram with associations of stillness, meditation and boundaries
Slide 11

Gen · Mountain ☶

A yang line above two yin lines evokes deliberate stillness and a boundary. Gen is linked with northeast, earth and the youngest son.

Dui Lake trigram with associations of joy, openness, communication and satisfaction
Slide 12

Dui · Lake ☱

A yin line above two yang lines suggests open, joyful exchange. Dui is linked with west, metal and the youngest daughter.

Six well-known I Ching hexagrams including the Creative, Receptive, Peace and Before Completion
Slide 13

Six Well-Known Hexagrams

The examples span pure yang and pure yin, harmony and standstill, plus the paired themes of completion and what remains unfinished.

Four I Ching consultation steps: ask, cast six lines, note changing lines and read the text
Slide 14

How to Consult the I Ching

A common modern coin method begins with a clear question, builds six lines from bottom to top, notes changes and reads the related text.

Change Is the Only Constant closing slide with a hexagram symbol
Slide 15

Change Is the Only Constant

The closing idea is that no state remains fixed. A reading is less a permanent verdict than a picture of movement and possibility.

Two line types

Yin and yang build every figure

These line forms are relational rather than isolated opposites. Each gains meaning through position, combination and change.

Yang · unbroken

Traditionally associated with activity, firmness, expansion and initiating movement.

Yin · broken

Traditionally associated with receptivity, yielding, inwardness and responsive movement.

Eight trigrams · Bagua

A compact trigram reference

The directions, family roles and elements below follow the common Later Heaven arrangement summarized in the supplied slides.

Qian · Heaven

Creative force, strength, initiative and persistence.

Father · Northwest · Metal/Heaven

Kun · Earth

Receptivity, nurturing, support, devotion and patience.

Mother · Southwest · Earth

Zhen · Thunder

Action, awakening, shock, movement and initiative.

Eldest son · East · Wood

Xun · Wind

Gentleness, flexibility, influence and gradual change.

Eldest daughter · Southeast · Wood

Kan · Water

Danger, depth, flow, perseverance and the unknown.

Middle son · North · Water

Li · Fire

Clarity, illumination, beauty, attachment and insight.

Middle daughter · South · Fire

Gen · Mountain

Stillness, rest, meditation, boundaries and introspection.

Youngest son · Northeast · Earth

Dui · Lake

Joy, openness, communication, pleasure and satisfaction.

Youngest daughter · West · Metal
Among 64 figures

Six frequently discussed hexagrams

Translations and nuances differ among editions, but these familiar English titles provide a useful orientation.

No.NameCommon English titleBrief theme
1Qian 乾 · ䷀The CreativePure yang; creative initiative and the responsibility to act with awareness.
2Kun 坤 · ䷁The ReceptivePure yin; support, responsiveness and knowing when not to force an outcome.
11Tai 泰 · ䷊PeaceHeaven and earth in communication; flow, balance and favorable conditions.
12Pi 否 · ䷋StandstillHeaven and earth out of touch; blockage, stagnation and the need for restraint.
63Ji Ji 既濟 · ䷾After CompletionA transition achieved, with continuing care needed to preserve what works.
64Wei Ji 未濟 · ䷿Before CompletionNear the threshold but not finished; patience and attention remain essential.
Reflective practice

A simple coin-method overview

The supplied slides present the three-coin method commonly used today. Detailed line values vary by convention, so use one trusted edition consistently.

Ask a clear question

Frame one genuine, specific situation. Open questions about perspective or action are more useful than demands for certainty.

Cast six lines

Toss three coins six times and record each line from the bottom of the hexagram upward.

Note changing lines

Depending on the coin values, certain results mark an old yin or old yang line that changes into its opposite.

Read the text

Consult the primary hexagram, relevant line statements and, when changing lines are present, the resulting hexagram.

Further reading: Stanford Encyclopedia of Philosophy — Chinese Philosophy of Change (Yijing).