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THE BOOK OF CHANGES

Learn the I Ching

Begin with the eight trigrams, then explore the 64 hexagrams and their six changing lines.

BEGIN WITH THE EIGHT TRIGRAMS

Eight forces.
The roots of every hexagram.

Before there are sixty-four hexagrams, there are eight three-line forms. Each names a force in nature and a way a situation can move.

1 · CLASSIC FORM2 · IMAGE IN NATURE3 · ACTION IN LIFE
01
乾QIÁN
A broad sun above three small pale clouds

NATURAL IMAGE · HEAVEN

The Creative

Strength. Creative power moves without ceasing, sets direction and brings things into being.

PRACTICAL VERB · INITIATE
02
坤KŪN
Broad layers of earth supporting new growth

NATURAL IMAGE · EARTH

The Receptive

Yielding. Earth receives, nourishes and bears what is forming without forcing its course.

PRACTICAL VERB · RECEIVE & SUSTAIN
03
震ZHÈN
Dark thundercloud split by lightning

NATURAL IMAGE · THUNDER

The Arousing

Movement. Thunder breaks stillness with a sudden impulse and sets life in motion.

PRACTICAL VERB · AWAKEN & MOVE
04
巽XÙN
Wind curling around bending grasses and leaves

NATURAL IMAGE · WIND / WOOD

The Gentle

THE PENETRATING

Penetration. Wind enters every opening; wood grows through gradual, sustained influence.

PRACTICAL VERB · ENTER GRADUALLY
05
坎KǍN
A rising wave of flowing water

NATURAL IMAGE · WATER / GORGE

The Abysmal

Danger. Water descends into depth and keeps flowing through difficult ground.

PRACTICAL VERB · MOVE THROUGH DANGER
06
离LÍ
A bright flame above a small fire

NATURAL IMAGE · FIRE / LIGHT

The Clinging

BRIGHTNESS · RADIANCE

Dependence. Fire clings to what it burns, while its light makes forms visible.

PRACTICAL VERB · ILLUMINATE & REVEAL
07
艮GÈN
Still mountains rising above the mist

NATURAL IMAGE · MOUNTAIN

Keeping Still

Standstill. A mountain marks the point to stop, hold a boundary and come to rest.

PRACTICAL VERB · STOP & HOLD
08
兑DUÌ
A still pond edged by muddy banks, reeds and water plants

NATURAL IMAGE · LAKE / MARSH

The Joyous

Pleasure. An open lake reflects and gathers; an open mouth speaks and responds.

PRACTICAL VERB · OPEN & EXCHANGE
3 lines make a trigram☰+☷=䷊2 trigrams make a hexagram

MOTION STUDIES

From a force in nature
to a moment in motion.

These early studies explore how a trigram develops over time and how two trigrams meet inside a six-line hexagram.

High mountain skySIX PHASES · RISINGSKY · RISING

The Creative

Initiative · Strength · Beginning

乾QIÁN
Broad dry earth and cultivated fieldsEARTH · RECEIVING

The Receptive

Openness · Support · Response

坤KŪN
Earth above and luminous heaven belowEARTH ABOVE · HEAVEN BELOWHEAVEN + EARTH · MEETING

Peace

Exchange · Harmony · Connection

泰TÀI

Design principleThe memory mark supports recognition. It never replaces the six-line hexagram or the Chinese name.

START WITH CURIOSITY

Learn the language
of change.

Explore all guides →
ASKING WELL · 4 MIN

How to ask a useful question

Move from “Will this happen?” to questions that reveal choices and conditions.

Read the guide →
THE BASICS · 7 MIN

Primary and relating hexagrams

How one pattern becomes another, and what that change adds to a reading.

Read the guide →

THE COMPLETE 64

Sixty-four moments
of change.

Each scene introduces a hexagram. Open its guide for the classical judgment, six line texts, and an illustration for every line.

Explore all 64

Follow the traditional King Wen sequence, or search by name and number.

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YiPhase six-leaf emblem inspired by the six lines of a hexagram

OUR METHOD

Clear about what is ancient.
Clear about what is ours.

YiPhase separates source text, translation and contemporary reflection. We show how a hexagram was formed, explain uncertainty, and never present a reading as a guaranteed prediction.

Read our editorial approach →