Yin and yang and yang are bound together as parts of a mutual whole (for example, there cannot be the bottom of the foot without the top). A way to illustrate this idea is to postulate the notion of a race with only men or only women; this race would disappear in a single generation. Yet, men and women together create new generations that allow the race they mutually create (and mutually come from) to survive. The interaction of the two gives birth to things, like manhood. Yin and yang transform each other: like an undertow in the ocean, every advance is complemented
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