By any measure, Seneca (?4-65AD) is one of the most significant figures in both Roman literature and ancient philosophy. His writings are voluminous and diverse, ranging from satire to disturbing, violent tragedies, from metaphysical theory to moral and political discussions of virtue and anger. Seneca found himself at the turbulent center of Roman imperial power, making him thus an important witness to the Empire's first dynasty, the Julio-Claudians. Exiled by the emperor Claudius in the wake of a sex scandal, he was eventually brought back to Rome to become tutor and, later, speech-writer...