Why did king wen of zhou gossip deduction into sixty-four hexagrams

Legend of fu xi according to made a gossip and suggests, used to symbolize the nature of all things, the gossip is qian and kun terms, shake hexagrams, xun, from the terms, kangua, gen, against the hexagrams, they are also theThe I ching"Initially, the most primitive form.Changing universe all-encompassing, however, nature, and all of the causal are complex, only it is difficult to detailed and fully explain all this gossip.So the king wen of zhou combined with the actual situation, the gossip, respectively, the two two overlapping each other, pushing the performance in the sixty-four hexagrams.