The legend of YingYang

The YinYang is a dynamic symbol. Shows the continuous interaction of two energies and balance. It is a symbol of harmony. It is a symbol that creates equality for without the Yin Yang could not exist and vice versa. Without the interaction of both, life is not generated. There is nothing opposite between Yin and Yang. Are complementary.
When one of the two energy reaches its maximum expression, began the transformation into its opposite: this is what they represent two points on the symbol. At its best, Yang contains the seed of yin, as well as the seed contains yin yang.
Yin, originally was the name of the cold side of the mountain, who looks to the north, on the contrary, Yang was the hottest name that led to the South. Yin is the dark side, night and feminine and the masculine yang, light and masculine.