Popular Western opinion is reflected in the "Translatio militiae", whose anonymous Latin author states that the Greeks had lost their courage and their learning, and therefore did not join in the war against the infidels. In another passage, the ancient Greeks are praised for their military skill and their learning, by which means the author draws a contrast with contemporary Byzantine Greeks, who were generally viewed as a non-warlike and schismatic people. While this reputation seems strange to modern eyes given the unceasing military operations of the Byzantines and their eight century struggle against Islam and Islamic states, it reflects the realpolitik sophistication of the Byzantines, who employed diplomacy and trade as well as armed force in foreign policy, and the high-level of their culture in contrast to the zeal of the Crusaders and the ignorance and superstition of the medieval West. As historian Steven Runciman has put it: