existence of a universal balance of opposite and complementary principles (Chinese Philosophy)
Yin and yang ( ; ; ) are generalizations of the anthesis or mutual correlation between certain objects or phenomena in the natural world, combining to create a
unity of opposites. Liang Yi ( ; ; ), also known as Yin and Yang or heaven and earth, have a similar meaning.The dual concepts of yin and yang which describe two primal opposing but complementary principles or cosmic forces said to be found in all non-static objects and processes in the universe. This
paradoxical concept is the cornerstone of most branches of Chinese philosophy, as well as
traditional Chinese medicine.
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