Why is the Yin and YangThe I chingThe connotation of the core

The opposite of Yin and Yang represent the most basic everything.In nature, the cold, dark, all belong to Yin, is the materialization;Heat, light, chemical for Yang, gasification.Of Yin and Yang, Yang in Yin, Yin and Yang of position changing, the cycle.

"Book of changes" hexagrams like two hexagram is built on the Yin and Yang, on the basis of the two symbols in accordance with the law of Yin and Yang two gas ebb and flow, the two symbols through the permutation and combination into gossip.The composition of gossip and arrangement, embodies the interaction and unity of opposites of Yin and Yang.In formed by gossip permutation and combination of the sixty-four hexagrams, Yin and Yang is the core of them.