I Ching is one of the oldest Chinese classic texts and contains the cosmology and philosophy of the old Chinese traditions. The basic concept is a balance of all opposites and an acceptance of change.
This book describes the world in 64 pictures of which each is displayed in six broken or continuous lines (hexagrams). In the western culture it is mainly understood as a book for fortune telling and clairvoyance. It has been considered an oracle and consulted ever since. The origin of the oracle tradition has shamanic roots.