I Ching Basics
易經入門 · Discover the Ancient Wisdom
The I Ching (易經, Book of Changes) is humanity's oldest oracle, a 3,000-year-old philosophical masterwork that maps the patterns of change governing all existence. This series introduces you to its origins, structure, and timeless wisdom.
What Is the I Ching?
Origins & Historical Context
Explore the "Three Changes" (三易), the Three Sages, and how the Zhou Yi became the foundation of Chinese philosophy.
- The Three Changes: Lianshan, Guicang, Zhouyi
- Three Sages: Fuxi, King Wen, Confucius
- Dual nature: divination & philosophy
- Three meanings of "Yi" (易): Change, Simplicity, Constancy
Yin & Yang
The Fundamental Law of All Things
Understand the binary code of the universe — how yin (—) and yang (- -) generate the Two Polarities, Four Images, and Eight Trigrams.
- Origin of yin-yang symbols
- Taiji → Liangyi → Sixiang → Bagua
- The eternal dance of opposites
- Yin-yang in nature, seasons, and life cycles
The Eight Trigrams
Universe's Eight Basic Symbols
Master the Bagua (八卦) — eight three-line figures representing Heaven, Earth, Thunder, Wind, Water, Fire, Mountain, and Lake.
- Qian ☰, Kun ☷, Zhen ☳, Xun ☴, Kan ☵, Li ☲, Gen ☶, Dui ☱
- Memory rhyme: "Qian three connected, Kun six broken..."
- Earlier Heaven vs. Later Heaven arrangements
- Heaven-Earth-Human trinity in each trigram
The 64 Hexagrams
Complete Map of Universal Phenomena
Learn how 8 trigrams combine into 64 six-line hexagrams, each representing a unique archetype of change and transformation.
- Inner & outer trigrams (内卦 & 外卦)
- Six lines: from bottom (初) to top (上)
- Yang lines (九) & Yin lines (六)
- Concepts of "center" (中) and "correctness" (正)
- Changing hexagrams, opposite hexagrams, inverse hexagrams
Hexagram & Line Texts
How to "Read" a Hexagram
Decode the structure of hexagram judgments (卦辞), line statements (爻辞), and commentaries (彖辞 & 象辞).
- Hexagram texts by King Wen
- Line texts by Duke of Zhou
- Commentaries in the Ten Wings (十翼)
- Eight Palaces classification system
- Symbolic correspondences (取象)
Philosophy & Modern Relevance
The I Ching Today
Discover how the I Ching influenced Confucianism, Daoism, science, and even inspired Leibniz's binary system.
- Foundation of Confucian & Daoist thought
- Influence on astronomy, medicine, music
- Leibniz and binary code (0 & 1 ↔ yin & yang)
- Modern applications: decision-making, mindfulness
- Core wisdom: embrace change, seek balance