Tacitus chronicled the history of the Roman Empire from Augustus to Domitian in the Annales.In his historical writing,he discussed the fundamental relationship between humanity and politics.In doing so,he attempted to prove the correlation between rulers'virtues and the quality of principate as a political system.He spent his political career mostly under Domitian's reign,and began writing history during Trajan's period.He was cautious in historical writing due to Domitian's tyrannical rule,on the one hand;on the other hand,he hoped to provide lessons to the noble class through writing history...