China’s intellectual and spiritual landscape took shape during the Spring and AutumnSpring and autumn (770–476 BCE) and Warring StatesWarring states (475–221 BCE) periods, when foundational philosophical schools emerged alongside enduring religious practices that together forged a unique philosophical tradition. The triad of Confucianism, Daoism, and Legalism established competing yet complementary frameworks: while Confucianism (儒家 RujiaConfucianism儒家) became the state orthodoxy emphasizing social ethics, it remained largely indifferent to systematic natural inquiry; Daoism (道家 DaojiaDaoism道家 ), its perennial counterpoint, developed proto-scientific investigations of nature through alchemical and cosmological studies that echoed pre-Socratic Greek thought; and Legalism (法家 Fajia)Legalism法家 pragmatically combined administrative techniques with Confucian ideals, shaping the institutional architecture of China’s enduring bureaucratic order.