Taijitu prior to 1686. It combines several abstract shapes, including a "Taiji" symbol illustrating the mutual complement of man and woman. In socialist times, it was alternatively interpreted as two fish symbolizing vigilance, because fish never close their eyes. The modern symbol has also been widely used in martial arts, particularly t'ai chi ch'uan (Taijiquan), and Jeet Kune Do, since the 1970s. In this context, it is generally used to represent the interplay between hard and soft techniques. The dots in the modern "yin-yang symbol" have been given the additional interpretation of "intense interaction" between the complementary principles. Similarities can be
Yang Yin Xiaoming, Northern Wei was suffering greatly from agrarian rebellions, and Yang Jing was commissioned with an army as the governor of Ding Province, roughly modern Baoding, Hebei). Yang Yin accompanied his father to Ding Province, and on account of his contribution to his father's campaign, was created the Baron of Weichang. However, in spring 528, Ding Province fell to the rebel general Du Luozhou, and Yang Jing's household was imprisoned by Du. Soon thereafter, Du was defeated by another rebel general, Ge Rong. Ge wanted to marry one of his daughters to Yang Yin and make him an official, but