《周易》為我國最古老、最權威的一部、凝結著遠古先民睿智卓識的深邃的哲學經典。《周易》被稱為群經之首，中國古代儒教五經之一，是古代讀書人的必讀。《周易》分《易經》和《易傳》兩個部分，《易經》由符號和文字組成，符號指的是八經卦，八經卦兩兩相垂而成六十四卦。組成卦的每一條線稱爻，每一爻皆有名稱，叫爻題，爻題由爻的性質加上爻的位置構成。文字部分指的是《卦辭》和《爻辭》。

"Book of Changes" is the oldest and most authoritative philosophical classic, which is a condensation of a profound of ancient ancestors' wisdom sagacity in China. It's one of the ancient Chinese Confucian Five Classics that ancient scholar must read. "Book of Changes" consists of symbols and text, the symbol is eight diagrams, the eight diagrams relative vertical made sixty-four hexagrams. Hexagrams made up of lines, each line called Yao and each Yao called Yaoti which plus the location and the nature of Yao. The text part refers to the "remarks" and "Ci ".