* Strength comparison (contribution comparison): ancient Rome was slightly stronger. Western academic circles generally believe that the history of ancient Greek philosophy, ancient Roman law and Christian theology are the three cornerstones of western civilization and are inseparable from each other. The contribution and influence of ancient Roman law is higher than that of Greek democracy, and it is the basic knowledge at present. Religion and theology: * Ancient Greece: the myth system of Olympus in ancient Greece * Ancient Rome: the myth system of Jupiter in ancient Rome, the conversion of Constantine the Great to Christianity, and the city of God in Augustine * Strength comparison (contribution comparison): Ancient Rome won, finally accepted Christianity, developed Christianity, and established the Holy See, which played a decisive role in the development of Christianity in the western world and shaped the basic form of European civilization. Art: * Ancient Greece: architecture (Temple of Olympus, Temple of Hera, Parthenon), sculpture and sculpture (Athena, goddess of fate).