Taijitu seen in Tripilja culture in Ukraine, displayed in the Ukraine pavilion at the Expo 2010 in Shanghai, China. Also, the interlocking design is found in artifacts of the European Iron Age. While this design appears to become a standard ornamental motif in Iron-Age Celtic culture by the 3rd century BC, found on a wide variety of artifacts, it is not clear what symbolic value was attached to it. Unlike the Chinese symbol, the Celtic yin-yang lack the element of mutual penetration, and the two halves are not always portrayed in different colors. Comparable designs are also found in Etruscan art.
Taoism It asserts that those in harmony with Tao will live long and fruitful lives. The wicked, and their descendants, will suffer and have shortened lives. Lowe's summary of a Taoist worldview highlights points such as: The "taijitu" (; commonly known as the "yin and yang symbol" or simply the "yin yang") and the "bagua" 八卦 ("Eight Trigrams") have importance in Taoist symbolism. In this cosmology, the universe creates itself out of a primary chaos of material energy, organized into the cycles of Yin and Yang and formed into objects and lives. Yin is the receptive and Yang is the active