Cosmos

During my search for looking up what the Tao culture believes about the world was difficult to find their cosmos. I did however find something that they use as practice which I found interesting. They practice the search for immortality and that is the Yin and Yang.
 
UNDERSTANDING YIN AND YANG

In Chinese philosophy, the concept of yin-yang is used to describe how opposite or contrary forces are interconnected and interdependent in the natural world; and, how they give rise to each other as they interrelate to one another. Many natural dualities such as light and dark, high and low, hot and cold, fire and water, life and death, male and female, sun and moon, and so on are thought of as physical manifestations of the yin-yang concept.

Yin and yang can be thought of as complementary instead of opposing forces interacting to form a dynamic system in which the whole is greater than the parts. Everything has both yin and yang aspects, for instance shadow cannot exist without light. Either of the two major aspects may manifest more strongly in a particular object, depending on the criterion of the observation.

In Taoist metaphysics, good-bad distinctions and other dichotomous moral judgments are perceptual, not real; so, yin-yang is an indivisible whole. In the ethics of Confucianism on the other hand, most notably in the philosophy of Dong Zhongshu, a moral dimension is attached to the yin-yang idea.

This basic symbolism was extended to include a host of other oppositions. Yin is female, yang is male. Yin occupies the lower position, yang the higher. Any situation in the human or natural world can be analyzed within this framework; yin and yang can be used to understand the modulations of qi on a mountainside as well as the relationships within the family. The social hierarchies of gender and age, for instance the duty of the wife to honor her husband, and of younger generations to obey older ones were interpreted as the natural subordination of yin to yang. The same reasoning can be applied to any two members of a pair. Yin-yang symbolism simultaneously places them on an equal footing and ranks them hierarchically. On the one hand, all processes are marked by change, making it inevitable that yin and yang alternate and imperative that humans seek a harmonious balance between the two. On the other hand, the system as a whole attaches greater value to the ascendant member of the pair, the yang.