[philosophy] Wuji 無極 (literally `without ridgepole`) originally meant `ultimateless; boundless; infinite` in Warring States period (476-221 BCE) Taoist classics, but came to mean the `primordial universe` prior to the Taiji 太極 `Supreme Ultimate` in Song Dynasty (960-1279 CE) Neo-Confucianist cosmology. Wuji is also a proper noun in ... Found on http://en.wikipedia.org/wiki/Wuji_(philosophy)